diff --git a/htdocs/accountancy/supplier/index.php b/htdocs/accountancy/supplier/index.php
index e46b508512d..d350e2243a2 100644
--- a/htdocs/accountancy/supplier/index.php
+++ b/htdocs/accountancy/supplier/index.php
@@ -38,7 +38,7 @@ $validatemonth = GETPOST('validatemonth', 'int');
 $validateyear = GETPOST('validateyear', 'int');
 
 // Security check
-if (empty($conf->accounting->enabled)) {
+if (!isModEnabled('accounting')) {
 	accessforbidden();
 }
 if ($user->socid > 0) {
@@ -75,7 +75,7 @@ $action = GETPOST('action', 'aZ09');
 $chartaccountcode = dol_getIdFromCode($db, $conf->global->CHARTOFACCOUNTS, 'accounting_system', 'rowid', 'pcg_version');
 
 // Security check
-if (empty($conf->accounting->enabled)) {
+if (!isModEnabled('accounting')) {
 	accessforbidden();
 }
 if ($user->socid > 0) {
diff --git a/htdocs/adherents/admin/member.php b/htdocs/adherents/admin/member.php
index bae229bc77b..80092ea96a5 100644
--- a/htdocs/adherents/admin/member.php
+++ b/htdocs/adherents/admin/member.php
@@ -108,7 +108,7 @@ if ($action == 'set_default') {
 	$res3 = dolibarr_set_const($db, 'ADHERENT_CREATE_EXTERNAL_USER_LOGIN', GETPOST('ADHERENT_CREATE_EXTERNAL_USER_LOGIN', 'alpha'), 'chaine', 0, '', $conf->entity);
 	$res4 = dolibarr_set_const($db, 'ADHERENT_BANK_USE', GETPOST('ADHERENT_BANK_USE', 'alpha'), 'chaine', 0, '', $conf->entity);
 	// Use vat for invoice creation
-	if (!empty($conf->facture->enabled)) {
+	if (isModEnabled('facture')) {
 		$res4 = dolibarr_set_const($db, 'ADHERENT_VAT_FOR_SUBSCRIPTIONS', GETPOST('ADHERENT_VAT_FOR_SUBSCRIPTIONS', 'alpha'), 'chaine', 0, '', $conf->entity);
 		$res5 = dolibarr_set_const($db, 'ADHERENT_PRODUCT_ID_FOR_SUBSCRIPTIONS', GETPOST('ADHERENT_PRODUCT_ID_FOR_SUBSCRIPTIONS', 'alpha'), 'chaine', 0, '', $conf->entity);
 		if (!empty($conf->product->enabled) || !empty($conf->service->enabled)) {
@@ -241,10 +241,10 @@ $arraychoices = array('0'=>$langs->trans("None"));
 if (!empty($conf->banque->enabled)) {
 	$arraychoices['bankdirect'] = $langs->trans("MoreActionBankDirect");
 }
-if (!empty($conf->banque->enabled) && !empty($conf->societe->enabled) && !empty($conf->facture->enabled)) {
+if (!empty($conf->banque->enabled) && !empty($conf->societe->enabled) && isModEnabled('facture')) {
 	$arraychoices['invoiceonly'] = $langs->trans("MoreActionInvoiceOnly");
 }
-if (!empty($conf->banque->enabled) && !empty($conf->societe->enabled) && !empty($conf->facture->enabled)) {
+if (!empty($conf->banque->enabled) && !empty($conf->societe->enabled) && isModEnabled('facture')) {
 	$arraychoices['bankviainvoice'] = $langs->trans("MoreActionBankViaInvoice");
 }
 print '<td>';
@@ -256,7 +256,7 @@ print '</td>';
 print "</tr>\n";
 
 // Use vat for invoice creation
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	print '<tr class="oddeven"><td>'.$langs->trans("VATToUseForSubscriptions").'</td>';
 	if (!empty($conf->banque->enabled)) {
 		print '<td>';
diff --git a/htdocs/adherents/agenda.php b/htdocs/adherents/agenda.php
index 0a6abcd4955..5aeb3a281cf 100644
--- a/htdocs/adherents/agenda.php
+++ b/htdocs/adherents/agenda.php
@@ -162,11 +162,11 @@ if ($object->id > 0) {
 
 
 	$newcardbutton = '';
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		$newcardbutton .= dolGetButtonTitle($langs->trans('AddAction'), '', 'fa fa-plus-circle', DOL_URL_ROOT.'/comm/action/card.php?action=create&backtopage='.urlencode($_SERVER['PHP_SELF']).($object->id > 0 ? '?id='.$object->id : '').'&origin=member&originid='.$id);
 	}
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		print '<br>';
 
 		$param = '&id='.$id;
diff --git a/htdocs/adherents/subscription.php b/htdocs/adherents/subscription.php
index 1cfbb80f65b..cf0ad445c92 100644
--- a/htdocs/adherents/subscription.php
+++ b/htdocs/adherents/subscription.php
@@ -831,11 +831,11 @@ if ($rowid > 0) {
 				$bankviainvoice = 1;
 			}
 		} else {
-			if (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'bankviainvoice' && !empty($conf->banque->enabled) && !empty($conf->societe->enabled) && !empty($conf->facture->enabled)) {
+			if (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'bankviainvoice' && !empty($conf->banque->enabled) && !empty($conf->societe->enabled) && isModEnabled('facture')) {
 				$bankviainvoice = 1;
 			} elseif (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'bankdirect' && !empty($conf->banque->enabled)) {
 				$bankdirect = 1;
-			} elseif (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'invoiceonly' && !empty($conf->banque->enabled) && !empty($conf->societe->enabled) && !empty($conf->facture->enabled)) {
+			} elseif (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'invoiceonly' && !empty($conf->banque->enabled) && !empty($conf->societe->enabled) && isModEnabled('facture')) {
 				$invoiceonly = 1;
 			}
 		}
@@ -982,7 +982,7 @@ if ($rowid > 0) {
 			print '"></td></tr>';
 
 			// Complementary action
-			if ((!empty($conf->banque->enabled) || !empty($conf->facture->enabled)) && empty($conf->global->ADHERENT_SUBSCRIPTION_HIDECOMPLEMENTARYACTIONS)) {
+			if ((!empty($conf->banque->enabled) || isModEnabled('facture')) && empty($conf->global->ADHERENT_SUBSCRIPTION_HIDECOMPLEMENTARYACTIONS)) {
 				$company = new Societe($db);
 				if ($object->fk_soc) {
 					$result = $company->fetch($object->fk_soc);
@@ -1003,7 +1003,7 @@ if ($rowid > 0) {
 					print '><label for="bankdirect">  '.$langs->trans("MoreActionBankDirect").'</label><br>';
 				}
 				// Add invoice with no payments
-				if (!empty($conf->societe->enabled) && !empty($conf->facture->enabled)) {
+				if (!empty($conf->societe->enabled) && isModEnabled('facture')) {
 					print '<input type="radio" class="moreaction" id="invoiceonly" name="paymentsave" value="invoiceonly"'.(!empty($invoiceonly) ? ' checked' : '');
 					//if (empty($object->fk_soc)) print ' disabled';
 					print '><label for="invoiceonly"> '.$langs->trans("MoreActionInvoiceOnly");
@@ -1033,7 +1033,7 @@ if ($rowid > 0) {
 					print '</label><br>';
 				}
 				// Add invoice with payments
-				if (!empty($conf->banque->enabled) && !empty($conf->societe->enabled) && !empty($conf->facture->enabled)) {
+				if (!empty($conf->banque->enabled) && !empty($conf->societe->enabled) && isModEnabled('facture')) {
 					print '<input type="radio" class="moreaction" id="bankviainvoice" name="paymentsave" value="bankviainvoice"'.(!empty($bankviainvoice) ? ' checked' : '');
 					//if (empty($object->fk_soc)) print ' disabled';
 					print '><label for="bankviainvoice">  '.$langs->trans("MoreActionBankViaInvoice");
diff --git a/htdocs/admin/dict.php b/htdocs/admin/dict.php
index 8fd4feffcf4..b3bc612fde3 100644
--- a/htdocs/admin/dict.php
+++ b/htdocs/admin/dict.php
@@ -488,14 +488,14 @@ $tabcond[2] = true;
 $tabcond[3] = true;
 $tabcond[4] = true;
 $tabcond[5] = (!empty($conf->societe->enabled) || !empty($conf->adherent->enabled));
-$tabcond[6] = !empty($conf->agenda->enabled);
+$tabcond[6] = isModEnabled('agenda');
 $tabcond[7] = !empty($conf->tax->enabled);
 $tabcond[8] = !empty($conf->societe->enabled);
 $tabcond[9] = true;
 $tabcond[10] = true;
 $tabcond[11] = (!empty($conf->societe->enabled));
-$tabcond[12] = (!empty($conf->commande->enabled) || !empty($conf->propal->enabled) || !empty($conf->facture->enabled) || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled) || !empty($conf->supplier_order->enabled));
-$tabcond[13] = (!empty($conf->commande->enabled) || !empty($conf->propal->enabled) || !empty($conf->facture->enabled) || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled) || !empty($conf->supplier_order->enabled));
+$tabcond[12] = (!empty($conf->commande->enabled) || !empty($conf->propal->enabled) || isModEnabled('facture') || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled) || !empty($conf->supplier_order->enabled));
+$tabcond[13] = (!empty($conf->commande->enabled) || !empty($conf->propal->enabled) || isModEnabled('facture') || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled) || !empty($conf->supplier_order->enabled));
 $tabcond[14] = (!empty($conf->product->enabled) && (!empty($conf->ecotax->enabled) || !empty($conf->global->MAIN_SHOW_ECOTAX_DICTIONNARY)));
 $tabcond[15] = true;
 $tabcond[16] = (!empty($conf->societe->enabled) && empty($conf->global->SOCIETE_DISABLE_PROSPECTS));
@@ -508,12 +508,12 @@ $tabcond[22] = (!empty($conf->commande->enabled) || !empty($conf->propal->enable
 $tabcond[23] = true;
 $tabcond[24] = !empty($conf->resource->enabled);
 $tabcond[25] = !empty($conf->website->enabled);
-//$tabcond[26]= ! empty($conf->product->enabled);
+//$tabcond[26]= !empty($conf->product->enabled);
 $tabcond[27] = !empty($conf->societe->enabled);
 $tabcond[28] = !empty($conf->holiday->enabled);
 $tabcond[29] = !empty($conf->projet->enabled);
 $tabcond[30] = !empty($conf->label->enabled);
-//$tabcond[31]= ! empty($conf->accounting->enabled);
+//$tabcond[31]= !empty($conf->accounting->enabled);
 $tabcond[32] = (!empty($conf->holiday->enabled) || !empty($conf->hrm->enabled));
 $tabcond[33] = !empty($conf->hrm->enabled);
 $tabcond[34] = !empty($conf->hrm->enabled);
diff --git a/htdocs/admin/emailcollector_list.php b/htdocs/admin/emailcollector_list.php
index f1cf4ca6385..6a980642c5f 100644
--- a/htdocs/admin/emailcollector_list.php
+++ b/htdocs/admin/emailcollector_list.php
@@ -279,7 +279,7 @@ foreach ($object->fields as $key => $val) {
 	$sql .= "t.".$db->escape($key).", ";
 }
 // Add fields from extrafields
-if (! empty($extrafields->attributes[$object->table_element]['label'])) {
+if (!empty($extrafields->attributes[$object->table_element]['label'])) {
 	foreach ($extrafields->attributes[$object->table_element]['label'] as $key => $val) {
 		$sql .= ($extrafields->attributes[$object->table_element]['type'][$key] != 'separate' ? "ef.".$key.', ' : '');
 	}
diff --git a/htdocs/admin/fckeditor.php b/htdocs/admin/fckeditor.php
index 140cd7fcfdf..3ea92bb48ad 100644
--- a/htdocs/admin/fckeditor.php
+++ b/htdocs/admin/fckeditor.php
@@ -63,10 +63,10 @@ $conditions = array(
 	'NOTE_PRIVATE' => 1,
 	'SOCIETE' => 1,
 	'PRODUCTDESC' => (!empty($conf->product->enabled) || !empty($conf->service->enabled)),
-	'DETAILS' => (!empty($conf->facture->enabled) || !empty($conf->propal->enabled) || !empty($conf->commande->enabled) || !empty($conf->supplier_proposal->enabled) || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)),
+	'DETAILS' => (isModEnabled('facture') || !empty($conf->propal->enabled) || !empty($conf->commande->enabled) || !empty($conf->supplier_proposal->enabled) || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)),
 	'USERSIGN' => 1,
 	'MAILING' => !empty($conf->mailing->enabled),
-	'MAIL' => (!empty($conf->facture->enabled) || !empty($conf->propal->enabled) || !empty($conf->commande->enabled)),
+	'MAIL' => (isModEnabled('facture') || !empty($conf->propal->enabled) || !empty($conf->commande->enabled)),
 	'TICKET' => !empty($conf->ticket->enabled),
 );
 // Picto
diff --git a/htdocs/admin/mails_templates.php b/htdocs/admin/mails_templates.php
index abc434ed58f..99654b0df11 100644
--- a/htdocs/admin/mails_templates.php
+++ b/htdocs/admin/mails_templates.php
@@ -196,7 +196,7 @@ if (!empty($conf->propal->enabled) && !empty($user->rights->propal->lire)) {
 if (!empty($conf->commande->enabled) && !empty($user->rights->commande->lire)) {
 	$elementList['order_send'] = img_picto('', 'order', 'class="paddingright"').dol_escape_htmltag($langs->trans('MailToSendOrder'));
 }
-if (!empty($conf->facture->enabled) && !empty($user->rights->facture->lire)) {
+if (isModEnabled('facture') && !empty($user->rights->facture->lire)) {
 	$elementList['facture_send'] = img_picto('', 'bill', 'class="paddingright"').dol_escape_htmltag($langs->trans('MailToSendInvoice'));
 }
 if (!empty($conf->expedition->enabled)) {
@@ -226,7 +226,7 @@ if (!empty($conf->ticket->enabled) && !empty($user->rights->ticket->read)) {
 if (!empty($conf->expensereport->enabled) && !empty($user->rights->expensereport->lire)) {
 	$elementList['expensereport_send'] = img_picto('', 'trip', 'class="paddingright"').dol_escape_htmltag($langs->trans('MailToTExpenseReport'));
 }
-if (!empty($conf->agenda->enabled)) {
+if (isModEnabled('agenda')) {
 	$elementList['actioncomm_send'] = img_picto('', 'action', 'class="paddingright"').dol_escape_htmltag($langs->trans('MailToSendEventPush'));
 }
 if (!empty($conf->eventorganization->enabled) && !empty($user->rights->eventorganization->read)) {
diff --git a/htdocs/admin/pdf_other.php b/htdocs/admin/pdf_other.php
index 5a51535e04d..d8afe43720f 100644
--- a/htdocs/admin/pdf_other.php
+++ b/htdocs/admin/pdf_other.php
@@ -120,7 +120,7 @@ if (!empty($conf->propal->enabled)) {
 }
 
 
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	print load_fiche_titre($langs->trans("Invoices"), '', '');
 
 	print '<div class="div-table-responsive-no-min">';
diff --git a/htdocs/admin/stock.php b/htdocs/admin/stock.php
index a5e83155f03..a23f3127ca8 100644
--- a/htdocs/admin/stock.php
+++ b/htdocs/admin/stock.php
@@ -209,7 +209,7 @@ $found = 0;
 print '<tr class="oddeven">';
 print '<td>'.$langs->trans("DeStockOnBill").'</td>';
 print '<td class="right">';
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	if ($conf->use_javascript_ajax) {
 		print ajax_constantonoff('STOCK_CALCULATE_ON_BILL', array(), null, 0, 0, 0, 2, 1);
 	} else {
diff --git a/htdocs/admin/supplier_order.php b/htdocs/admin/supplier_order.php
index 0da79845d14..75f2badfda5 100644
--- a/htdocs/admin/supplier_order.php
+++ b/htdocs/admin/supplier_order.php
@@ -464,8 +464,7 @@ print "</td></tr>\n";
 
 // Ask for payment bank during supplier order
 /* Kept as hidden for the moment
-if ($conf->banque->enabled)
-{
+if (isModEnabled('banque')) {
 
 	print '<tr class="oddeven"><td>';
 	print $langs->trans("BANK_ASK_PAYMENT_BANK_DURING_SUPPLIER_ORDER").'</td><td>&nbsp;</td><td align="center">';
@@ -521,7 +520,7 @@ print '<tr class="oddeven">';
 print '<td>'.$langs->trans("UseDispatchStatus").'</td>';
 print '<td></td>';
 print '<td class="center">';
-if ($conf->reception->enabled) {
+if (isModEnabled('reception')) {
 	print '<span class="opacitymedium">'.$langs->trans("FeatureNotAvailableWithReceptionModule").'</span>';
 } else {
 	if ($conf->use_javascript_ajax) {
diff --git a/htdocs/admin/tools/dolibarr_import.php b/htdocs/admin/tools/dolibarr_import.php
index 77dea6f23ab..c409d6a500b 100644
--- a/htdocs/admin/tools/dolibarr_import.php
+++ b/htdocs/admin/tools/dolibarr_import.php
@@ -189,7 +189,7 @@ if (in_array($type, array('mysql', 'mysqli'))) {
 	$param .= " -U ".$dolibarr_main_db_user;
 	$paramcrypted = $param;
 	$paramclear = $param;
-	/*if (! empty($dolibarr_main_db_pass))
+	/*if (!empty($dolibarr_main_db_pass))
 	{
 		$paramcrypted.=" -p".preg_replace('/./i','*',$dolibarr_main_db_pass);
 		$paramclear.=" -p".$dolibarr_main_db_pass;
diff --git a/htdocs/admin/workflow.php b/htdocs/admin/workflow.php
index a68f49e36e3..47e6e87a244 100644
--- a/htdocs/admin/workflow.php
+++ b/htdocs/admin/workflow.php
@@ -68,7 +68,7 @@ $workflowcodes = array(
 	'WORKFLOW_ORDER_AUTOCREATE_INVOICE'=>array(
 		'family'=>'create',
 		'position'=>20,
-		'enabled'=>(!empty($conf->commande->enabled) && !empty($conf->facture->enabled)),
+		'enabled'=>(!empty($conf->commande->enabled) && isModEnabled('facture')),
 		'picto'=>'bill'
 	),
 	'WORKFLOW_TICKET_CREATE_INTERVENTION' => array (
@@ -91,7 +91,7 @@ $workflowcodes = array(
 	'WORKFLOW_INVOICE_CLASSIFY_BILLED_PROPAL'=>array(
 		'family'=>'classify_proposal',
 		'position'=>31,
-		'enabled'=>(!empty($conf->propal->enabled) && !empty($conf->facture->enabled)),
+		'enabled'=>(!empty($conf->propal->enabled) && isModEnabled('facture')),
 		'picto'=>'propal',
 		'warning'=>''
 	),
@@ -112,7 +112,7 @@ $workflowcodes = array(
 	'WORKFLOW_INVOICE_AMOUNT_CLASSIFY_BILLED_ORDER'=>array(
 		'family'=>'classify_order',
 		'position'=>42,
-		'enabled'=>(!empty($conf->facture->enabled) && !empty($conf->commande->enabled)),
+		'enabled'=>(isModEnabled('facture') && !empty($conf->commande->enabled)),
 		'picto'=>'order',
 		'warning'=>''
 	), // For this option, if module invoice is disabled, it does not exists, so "Classify billed" for order must be done manually from order card.
@@ -165,7 +165,7 @@ $workflowcodes = array(
 	'WORKFLOW_SHIPPING_CLASSIFY_CLOSED_INVOICE' => array(
 		'family' => 'classify_shipping',
 		'position' => 90,
-		'enabled' => ! empty($conf->expedition->enabled) && ! empty($conf->facture->enabled),
+		'enabled' => !empty($conf->expedition->enabled) && !empty($conf->facture->enabled),
 		'picto' => 'shipment'
 	),
 
@@ -173,13 +173,13 @@ $workflowcodes = array(
 	'WORKFLOW_TICKET_LINK_CONTRACT' => array(
 		'family' => 'link_ticket',
 		'position' => 75,
-		'enabled' => ! empty($conf->ticket->enabled) && ! empty($conf->contract->enabled),
+		'enabled' => !empty($conf->ticket->enabled) && !empty($conf->contract->enabled),
 		'picto' => 'ticket'
 	),
 	'WORKFLOW_TICKET_USE_PARENT_COMPANY_CONTRACTS' => array(
 		'family' => 'link_ticket',
 		'position' => 76,
-		'enabled' => ! empty($conf->ticket->enabled) && ! empty($conf->contract->enabled),
+		'enabled' => !empty($conf->ticket->enabled) && !empty($conf->contract->enabled),
 		'picto' => 'ticket'
 	),
 );
diff --git a/htdocs/asset/agenda.php b/htdocs/asset/agenda.php
index 49a0c215701..3d40cf62328 100644
--- a/htdocs/asset/agenda.php
+++ b/htdocs/asset/agenda.php
@@ -179,7 +179,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="' . DOL_URL_ROOT . '/comm/action/card.php?action=create' . $out . '">' . $langs->trans("AddAction") . '</a>';
 		} else {
@@ -189,7 +189,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id=' . $object->id . '&socid=' . $socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage=' . urlencode($contextpage);
diff --git a/htdocs/asset/model/agenda.php b/htdocs/asset/model/agenda.php
index a915f540ce9..f1db3030dc2 100644
--- a/htdocs/asset/model/agenda.php
+++ b/htdocs/asset/model/agenda.php
@@ -181,7 +181,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	//  if (!empty($conf->agenda->enabled)) {
+	//  if (isModEnabled('agenda')) {
 	//      if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 	//          print '<a class="butAction" href="' . DOL_URL_ROOT . '/comm/action/card.php?action=create' . $out . '">' . $langs->trans("AddAction") . '</a>';
 	//      } else {
@@ -191,7 +191,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	//  if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	//  if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 	//      $param = '&id=' . $object->id . '&socid=' . $socid;
 	//      if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 	//          $param .= '&contextpage=' . urlencode($contextpage);
diff --git a/htdocs/barcode/codeinit.php b/htdocs/barcode/codeinit.php
index 1a5f99b27ee..b4e365fe018 100644
--- a/htdocs/barcode/codeinit.php
+++ b/htdocs/barcode/codeinit.php
@@ -188,7 +188,7 @@ print '<input type="hidden" name="token" value="'.newToken().'">';
 print '<br>';
 
 // For thirdparty
-if ($conf->societe->enabled) {
+if (isModEnabled('societe')) {
 	$nbno = $nbtotal = 0;
 
 	print load_fiche_titre($langs->trans("BarcodeInitForThirdparties"), '', 'company');
diff --git a/htdocs/blockedlog/class/blockedlog.class.php b/htdocs/blockedlog/class/blockedlog.class.php
index ef4ca462008..ea5069cb840 100644
--- a/htdocs/blockedlog/class/blockedlog.class.php
+++ b/htdocs/blockedlog/class/blockedlog.class.php
@@ -140,7 +140,7 @@ class BlockedLog
 
 		$this->trackedevents = array();
 
-		if (!empty($conf->facture->enabled)) {
+		if (isModEnabled('facture')) {
 			$this->trackedevents['BILL_VALIDATE'] = 'logBILL_VALIDATE';
 			$this->trackedevents['BILL_DELETE'] = 'logBILL_DELETE';
 			$this->trackedevents['BILL_SENTBYMAIL'] = 'logBILL_SENTBYMAIL';
diff --git a/htdocs/bom/bom_agenda.php b/htdocs/bom/bom_agenda.php
index 4bc9095a57e..bce63ed0625 100644
--- a/htdocs/bom/bom_agenda.php
+++ b/htdocs/bom/bom_agenda.php
@@ -220,7 +220,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -230,7 +230,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/bom/bom_card.php b/htdocs/bom/bom_card.php
index addb955bffc..a5c9dd5cf68 100644
--- a/htdocs/bom/bom_card.php
+++ b/htdocs/bom/bom_card.php
@@ -638,7 +638,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 			}
 
 			// Create MO
-			if ($conf->mrp->enabled) {
+			if (isModEnabled('mrp')) {
 				if ($object->status == $object::STATUS_VALIDATED && !empty($user->rights->mrp->write)) {
 					print '<a class="butAction" href="'.DOL_URL_ROOT.'/mrp/mo_card.php?action=create&fk_bom='.$object->id.'&token='.newToken().'&backtopageforcancel='.urlencode($_SERVER["PHP_SELF"].'?id='.$object->id).'">'.$langs->trans("CreateMO").'</a>'."\n";
 				}
diff --git a/htdocs/comm/action/class/cactioncomm.class.php b/htdocs/comm/action/class/cactioncomm.class.php
index 8dd6b008045..d2b089491a7 100644
--- a/htdocs/comm/action/class/cactioncomm.class.php
+++ b/htdocs/comm/action/class/cactioncomm.class.php
@@ -198,7 +198,7 @@ class CActionComm
 						//var_dump($obj->type.' '.$obj->module.' '); var_dump($user->rights->facture->lire);
 						$qualified = 0;
 						// Special cases
-						if ($obj->module == 'invoice' && !empty($conf->facture->enabled) && !empty($user->rights->facture->lire)) {
+						if ($obj->module == 'invoice' && isModEnabled('facture') && !empty($user->rights->facture->lire)) {
 							$qualified = 1;
 						}
 						if ($obj->module == 'order' && !empty($conf->commande->enabled) && empty($user->rights->commande->lire)) {
diff --git a/htdocs/comm/card.php b/htdocs/comm/card.php
index d0cb4d7be2f..4005ba45e65 100644
--- a/htdocs/comm/card.php
+++ b/htdocs/comm/card.php
@@ -40,10 +40,8 @@ require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
-}
-if (!empty($conf->facture->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture-rec.class.php';
 }
 if (!empty($conf->propal->enabled)) {
@@ -77,7 +75,7 @@ if (!empty($conf->commande->enabled)) {
 if (!empty($conf->expedition->enabled)) {
 	$langs->load("sendings");
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	$langs->load("bills");
 }
 if (!empty($conf->projet->enabled)) {
@@ -741,7 +739,7 @@ if ($object->id > 0) {
 		}
 	}
 
-	if (!empty($conf->facture->enabled) && $user->rights->facture->lire) {
+	if (isModEnabled('facture') && $user->rights->facture->lire) {
 		// Box factures
 		$tmp = $object->getOutstandingBills('customer', 0);
 		$outstandingOpened = $tmp['opened'];
@@ -1311,7 +1309,7 @@ if ($object->id > 0) {
 	/*
 	 *   Latest invoices templates
 	 */
-	if (!empty($conf->facture->enabled) && $user->rights->facture->lire) {
+	if (isModEnabled('facture') && $user->rights->facture->lire) {
 		$sql = 'SELECT f.rowid as id, f.titre as ref';
 		$sql .= ', f.total_ht';
 		$sql .= ', f.total_tva';
@@ -1406,7 +1404,7 @@ if ($object->id > 0) {
 	/*
 	 *   Latest invoices
 	 */
-	if (!empty($conf->facture->enabled) && $user->rights->facture->lire) {
+	if (isModEnabled('facture') && $user->rights->facture->lire) {
 		$sql = 'SELECT f.rowid as facid, f.ref, f.type';
 		$sql .= ', f.total_ht';
 		$sql .= ', f.total_tva';
@@ -1569,7 +1567,7 @@ if ($object->id > 0) {
 				print '<div class="inline-block divButAction"><a class="butAction" href="'.DOL_URL_ROOT.'/compta/deplacement/card.php?socid='.$object->id.'&amp;action=create">'.$langs->trans("AddTrip").'</a></div>';
 			}
 
-			if (!empty($conf->facture->enabled) && $object->status == 1) {
+			if (isModEnabled('facture') && $object->status == 1) {
 				if (empty($user->rights->facture->creer)) {
 					print '<div class="inline-block divButAction"><a class="butActionRefused classfortooltip" title="'.dol_escape_js($langs->trans("NotAllowed")).'" href="#">'.$langs->trans("AddBill").'</a></div>';
 				} else {
@@ -1597,7 +1595,7 @@ if ($object->id > 0) {
 		}
 
 		// Add action
-		if (!empty($conf->agenda->enabled) && !empty($conf->global->MAIN_REPEATTASKONEACHTAB) && $object->status == 1) {
+		if (isModEnabled('agenda') && !empty($conf->global->MAIN_REPEATTASKONEACHTAB) && $object->status == 1) {
 			if ($user->rights->agenda->myactions->create) {
 				print '<div class="inline-block divButAction"><a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create&socid='.$object->id.'">'.$langs->trans("AddAction").'</a></div>';
 			} else {
diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index cc35cfc65a9..10ab441f442 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -696,7 +696,7 @@ if (empty($reshook)) {
 
 				if (
 					!$error && GETPOST('statut', 'int') == $object::STATUS_SIGNED && GETPOST('generate_deposit', 'alpha') == 'on'
-					&& ! empty($deposit_percent_from_payment_terms) && ! empty($conf->facture->enabled) && ! empty($user->rights->facture->creer)
+					&& ! empty($deposit_percent_from_payment_terms) && isModEnabled('facture') && !empty($user->rights->facture->creer)
 				) {
 					require_once DOL_DOCUMENT_ROOT . '/compta/facture/class/facture.class.php';
 
@@ -2001,7 +2001,7 @@ if ($action == 'create') {
 
 		$deposit_percent_from_payment_terms = getDictionaryValue('c_payment_term', 'deposit_percent', $object->cond_reglement_id);
 
-		if (! empty($deposit_percent_from_payment_terms) && ! empty($conf->facture->enabled) && ! empty($user->rights->facture->creer)) {
+		if (!empty($deposit_percent_from_payment_terms) && isModEnabled('facture') && ! empty($user->rights->facture->creer)) {
 			require_once DOL_DOCUMENT_ROOT . '/compta/facture/class/facture.class.php';
 
 			$object->fetchObjectLinked();
@@ -2801,7 +2801,7 @@ if ($action == 'create') {
 
 				// Create an invoice and classify billed
 				if ($object->statut == Propal::STATUS_SIGNED && empty($conf->global->PROPOSAL_ARE_NOT_BILLABLE)) {
-					if (!empty($conf->facture->enabled) && $usercancreateinvoice) {
+					if (isModEnabled('facture') && $usercancreateinvoice) {
 						print '<a class="butAction" href="'.DOL_URL_ROOT.'/compta/facture/card.php?action=create&origin='.$object->element.'&originid='.$object->id.'&socid='.$object->socid.'">'.$langs->trans("CreateBill").'</a>';
 					}
 
diff --git a/htdocs/comm/prospect/index.php b/htdocs/comm/prospect/index.php
index 0bcf2662a44..e63aee6f240 100644
--- a/htdocs/comm/prospect/index.php
+++ b/htdocs/comm/prospect/index.php
@@ -169,7 +169,7 @@ print '</div><div class="fichetwothirdright">';
 /*
  * Actions commerciales a faire
  */
-if (!empty($conf->agenda->enabled)) {
+if (isModEnabled('agenda')) {
 	show_array_actions_to_do(10);
 }
 
diff --git a/htdocs/comm/recap-client.php b/htdocs/comm/recap-client.php
index ee32c0dd016..da37fe1048c 100644
--- a/htdocs/comm/recap-client.php
+++ b/htdocs/comm/recap-client.php
@@ -28,7 +28,7 @@ require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 
 // Load translation files required by the page
 $langs->load("companies");
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	$langs->load("bills");
 }
 
diff --git a/htdocs/commande/card.php b/htdocs/commande/card.php
index c0aae93dff9..1432d1f132f 100644
--- a/htdocs/commande/card.php
+++ b/htdocs/commande/card.php
@@ -1753,7 +1753,7 @@ if ($action == 'create' && $usercancreate) {
 	}
 
 	// Shipping Method
-	if (!empty($conf->expedition->enabled)) {
+	if (isModEnabled('expedition')) {
 		print '<tr><td>'.$langs->trans('SendingMethod').'</td><td>';
 		print img_picto('', 'object_dolly', 'class="pictofixedwidth"');
 		print $form->selectShippingMethod($shipping_method_id, 'shipping_method_id', '', 1, '', 0, 'maxwidth200 widthcentpercentminusx');
@@ -2383,7 +2383,7 @@ if ($action == 'create' && $usercancreate) {
 		print '</td></tr>';
 
 		// Shipping Method
-		if (!empty($conf->expedition->enabled)) {
+		if (isModEnabled('expedition')) {
 			print '<tr><td>';
 			$editenable = $usercancreate;
 			print $form->editfieldkey("SendingMethod", 'shippingmethod', '', $object, $editenable);
@@ -2758,11 +2758,11 @@ if ($action == 'create' && $usercancreate) {
 
 				// Ship
 				$numshipping = 0;
-				if (!empty($conf->expedition->enabled)) {
+				if (isModEnabled('expedition')) {
 					$numshipping = $object->nb_expedition();
 
 					if ($object->statut > Commande::STATUS_DRAFT && $object->statut < Commande::STATUS_CLOSED && ($object->getNbOfProductsLines() > 0 || !empty($conf->global->STOCK_SUPPORTS_SERVICES))) {
-						if (($conf->expedition_bon->enabled && $user->rights->expedition->creer) || ($conf->delivery_note->enabled && $user->rights->expedition->delivery->creer)) {
+						if ((isModEnabled('expedition_bon') && $user->rights->expedition->creer) || ($conf->delivery_note->enabled && $user->rights->expedition->delivery->creer)) {
 							if ($user->rights->expedition->creer) {
 								print dolGetButtonAction('', $langs->trans('CreateShipment'), 'default', DOL_URL_ROOT.'/expedition/shipment.php?id='.$object->id, '');
 							} else {
@@ -2782,7 +2782,7 @@ if ($action == 'create' && $usercancreate) {
 				// Create bill and Classify billed
 				// Note: Even if module invoice is not enabled, we should be able to use button "Classified billed"
 				if ($object->statut > Commande::STATUS_DRAFT && !$object->billed && $object->total_ttc >= 0) {
-					if (!empty($conf->facture->enabled) && $user->rights->facture->creer && empty($conf->global->WORKFLOW_DISABLE_CREATE_INVOICE_FROM_ORDER)) {
+					if (isModEnabled('facture') && $user->rights->facture->creer && empty($conf->global->WORKFLOW_DISABLE_CREATE_INVOICE_FROM_ORDER)) {
 						print dolGetButtonAction('', $langs->trans('CreateBill'), 'default', DOL_URL_ROOT.'/compta/facture/card.php?action=create&amp;token='.newToken().'&amp;origin='.$object->element.'&amp;originid='.$object->id.'&amp;socid='.$object->socid, '');
 					}
 					if ($usercancreate && $object->statut >= Commande::STATUS_VALIDATED && empty($conf->global->WORKFLOW_DISABLE_CLASSIFY_BILLED_FROM_ORDER) && empty($conf->global->WORKFLOW_BILL_ON_SHIPMENT)) {
diff --git a/htdocs/commande/list.php b/htdocs/commande/list.php
index cdabf9f2a5a..1e4c4d2e78a 100644
--- a/htdocs/commande/list.php
+++ b/htdocs/commande/list.php
@@ -1928,7 +1928,7 @@ if ($resql) {
 			print $getNomUrl_cache[$obj->socid];
 
 			// If module invoices enabled and user with invoice creation permissions
-			if (!empty($conf->facture->enabled) && !empty($conf->global->ORDER_BILLING_ALL_CUSTOMER)) {
+			if (isModEnabled('facture') && !empty($conf->global->ORDER_BILLING_ALL_CUSTOMER)) {
 				if ($user->rights->facture->creer) {
 					if (($obj->fk_statut > 0 && $obj->fk_statut < 3) || ($obj->fk_statut == 3 && $obj->billed == 0)) {
 						print '&nbsp;<a href="'.DOL_URL_ROOT.'/commande/list.php?socid='.$companystatic->id.'&search_billed=0&autoselectall=1">';
diff --git a/htdocs/compta/accounting-files.php b/htdocs/compta/accounting-files.php
index 8f61261bc11..996ad22fbce 100644
--- a/htdocs/compta/accounting-files.php
+++ b/htdocs/compta/accounting-files.php
@@ -127,7 +127,7 @@ if (empty($entity)) {
 $error = 0;
 
 $listofchoices = array(
-	'selectinvoices'=>array('label'=>'Invoices', 'lang'=>'bills', 'enabled' => !empty($conf->facture->enabled), 'perms' => !empty($user->rights->facture->lire)),
+	'selectinvoices'=>array('label'=>'Invoices', 'lang'=>'bills', 'enabled' => isModEnabled('facture'), 'perms' => !empty($user->rights->facture->lire)),
 	'selectsupplierinvoices'=>array('label'=>'BillsSuppliers', 'lang'=>'bills', 'enabled' => !empty($conf->supplier_invoice->enabled), 'perms' => !empty($user->rights->fournisseur->facture->lire)),
 	'selectexpensereports'=>array('label'=>'ExpenseReports', 'lang'=>'trips', 'enabled' => !empty($conf->expensereport->enabled), 'perms' => !empty($user->rights->expensereport->lire)),
 	'selectdonations'=>array('label'=>'Donations', 'lang'=>'donation', 'enabled' => !empty($conf->don->enabled), 'perms' => !empty($user->rights->don->lire)),
diff --git a/htdocs/compta/bank/card.php b/htdocs/compta/bank/card.php
index ce373bbf5b5..c08cf54ab4e 100644
--- a/htdocs/compta/bank/card.php
+++ b/htdocs/compta/bank/card.php
@@ -541,7 +541,7 @@ if ($action == 'create') {
 		print '<tr><td>'.$langs->trans($bickey).'</td>';
 		print '<td><input maxlength="11" type="text" class="flat minwidth150" name="bic" value="'.(GETPOST('bic') ?GETPOST('bic', 'alpha') : $object->bic).'"></td></tr>';
 
-		if ($conf->paymentbybanktransfer->enabled) {
+		if (isModEnabled('paymentbybanktransfer')) {
 			print '<tr><td>'.$langs->trans("SEPAXMLPlacePaymentTypeInformationInCreditTransfertransactionInformation").'</td>';
 			print '<td><input type="checkbox" class="flat minwidth150" name="pti_in_ctti"'. (empty(GETPOST('pti_in_ctti')) ? '' : ' checked ') . '>&nbsp;';
 			print img_picto($langs->trans("SEPAXMLPlacePaymentTypeInformationInCreditTransfertransactionInformationHelp"), 'info');
@@ -778,14 +778,14 @@ if ($action == 'create') {
 			}
 			print '</td></tr>';
 
-			if ($conf->prelevement->enabled) {
+			if (isModEnabled('prelevement')) {
 				print '<tr><td>'.$form->textwithpicto($langs->trans("ICS"), $langs->trans("ICS").' ('.$langs->trans("UsedFor", $langs->transnoentitiesnoconv("StandingOrder")).')').'</td>';
 				print '<td>'.$object->ics.'</td>';
 				print '</tr>';
 			}
 
 			// TODO ICS is not used with bank transfer !
-			if ($conf->paymentbybanktransfer->enabled) {
+			if (isModEnabled('paymentbybanktransfer')) {
 				print '<tr><td>'.$form->textwithpicto($langs->trans("IDS"), $langs->trans("IDS").' ('.$langs->trans("UsedFor", $langs->transnoentitiesnoconv("BankTransfer")).')').'</td>';
 				print '<td>'.$object->ics_transfer.'</td>';
 				print '</tr>';
@@ -1083,12 +1083,12 @@ if ($action == 'create') {
 			print '<tr><td>'.$langs->trans($bickey).'</td>';
 			print '<td><input class="minwidth150 maxwidth200onsmartphone" maxlength="11" type="text" class="flat" name="bic" value="'.(GETPOSTISSET('bic') ? GETPOST('bic',  'alphanohtml') : $object->bic).'"></td></tr>';
 
-			if (!empty($conf->prelevement->enabled)) {
+			if (isModEnabled('prelevement')) {
 				print '<tr><td>'.$form->textwithpicto($langs->trans("ICS"), $langs->trans("ICS").' ('.$langs->trans("UsedFor", $langs->transnoentitiesnoconv("StandingOrder")).')').'</td>';
 				print '<td><input class="minwidth150 maxwidth200onsmartphone" maxlength="32" type="text" class="flat" name="ics" value="'.(GETPOSTISSET('ics') ? GETPOST('ics', 'alphanohtml') : $object->ics).'"></td></tr>';
 			}
 
-			if (!empty($conf->paymentbybanktransfer->enabled)) {
+			if (!empty(isModEnabled('paymentbybanktransfer'))) {
 				print '<tr><td>'.$form->textwithpicto($langs->trans("IDS"), $langs->trans("IDS").' ('.$langs->trans("UsedFor", $langs->transnoentitiesnoconv("BankTransfer")).')').'</td>';
 				print '<td><input class="minwidth150 maxwidth200onsmartphone" maxlength="32" type="text" class="flat" name="ics_transfer" value="'.(GETPOSTISSET('ics_transfer') ? GETPOST('ics_transfer', 'alphanohtml') : $object->ics_transfer).'"></td></tr>';
 
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index a2c22d7f878..5993bd39a7c 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -5415,7 +5415,7 @@ class Facture extends CommonInvoice
 
 		$langs->load("bills");
 
-		if (empty($conf->facture->enabled)) {	// Should not happen. If module disabled, cron job should not be visible.
+		if (!isModEnabled('facture')) {	// Should not happen. If module disabled, cron job should not be visible.
 			$this->output .= $langs->trans('ModuleNotEnabled', $langs->transnoentitiesnoconv("Facture"));
 			return 0;
 		}
diff --git a/htdocs/compta/index.php b/htdocs/compta/index.php
index def6318ed95..93b73d8ddd4 100644
--- a/htdocs/compta/index.php
+++ b/htdocs/compta/index.php
@@ -121,7 +121,7 @@ print '</div><div class="fichetwothirdright">';
 
 
 // Latest modified customer invoices
-if (!empty($conf->facture->enabled) && !empty($user->rights->facture->lire)) {
+if (isModEnabled('facture') && !empty($user->rights->facture->lire)) {
 	$langs->load("boxes");
 	$tmpinvoice = new Facture($db);
 
@@ -582,7 +582,7 @@ if (!empty($conf->tax->enabled) && !empty($user->rights->tax->charges->lire)) {
 /*
  * Customers orders to be billed
  */
-if (!empty($conf->facture->enabled) && !empty($conf->commande->enabled) && $user->rights->commande->lire && empty($conf->global->WORKFLOW_DISABLE_CREATE_INVOICE_FROM_ORDER)) {
+if (isModEnabled('facture') && !empty($conf->commande->enabled) && $user->rights->commande->lire && empty($conf->global->WORKFLOW_DISABLE_CREATE_INVOICE_FROM_ORDER)) {
 	$commandestatic = new Commande($db);
 	$langs->load("orders");
 
diff --git a/htdocs/compta/recap-compta.php b/htdocs/compta/recap-compta.php
index 8b2bf351094..4bd79a3c0d5 100644
--- a/htdocs/compta/recap-compta.php
+++ b/htdocs/compta/recap-compta.php
@@ -30,7 +30,7 @@ require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 
 // Load translation files required by the page
 $langs->load("companies");
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	$langs->load("bills");
 }
 
@@ -116,7 +116,7 @@ if ($id > 0) {
 	dol_banner_tab($object, 'socid', '', ($user->socid ? 0 : 1), 'rowid', 'nom', '', '', 0, '', '', 1);
 	print dol_get_fiche_end();
 
-	if (!empty($conf->facture->enabled) && $user->rights->facture->lire) {
+	if (isModEnabled('facture') && $user->rights->facture->lire) {
 		// Invoice list
 		print load_fiche_titre($langs->trans("CustomerPreview"));
 
diff --git a/htdocs/compta/resultat/index.php b/htdocs/compta/resultat/index.php
index 68068dec866..719b1deb29a 100644
--- a/htdocs/compta/resultat/index.php
+++ b/htdocs/compta/resultat/index.php
@@ -212,7 +212,7 @@ if (!empty($conf->accounting->enabled) && $modecompta != 'BOOKKEEPING') {
 
 $subtotal_ht = 0;
 $subtotal_ttc = 0;
-if (!empty($conf->facture->enabled) && ($modecompta == 'CREANCES-DETTES' || $modecompta == "RECETTES-DEPENSES")) {
+if (isModEnabled('facture') && ($modecompta == 'CREANCES-DETTES' || $modecompta == "RECETTES-DEPENSES")) {
 	if ($modecompta == 'CREANCES-DETTES') {
 		$sql = "SELECT sum(f.total_ht) as amount_ht, sum(f.total_ttc) as amount_ttc, date_format(f.datef,'%Y-%m') as dm";
 		$sql .= " FROM ".MAIN_DB_PREFIX."societe as s";
@@ -269,7 +269,7 @@ if (!empty($conf->facture->enabled) && ($modecompta == 'CREANCES-DETTES' || $mod
 	// Nothing from this table
 }
 
-if (!empty($conf->facture->enabled) && ($modecompta == 'CREANCES-DETTES' || $modecompta == "RECETTES-DEPENSES")) {
+if (isModEnabled('facture') && ($modecompta == 'CREANCES-DETTES' || $modecompta == "RECETTES-DEPENSES")) {
 	// On ajoute les paiements clients anciennes version, non lies par paiement_facture
 	if ($modecompta != 'CREANCES-DETTES') {
 		$sql = "SELECT sum(p.amount) as amount_ttc, date_format(p.datep,'%Y-%m') as dm";
@@ -324,7 +324,7 @@ if (!empty($conf->facture->enabled) && ($modecompta == 'CREANCES-DETTES' || $mod
 $subtotal_ht = 0;
 $subtotal_ttc = 0;
 
-if (!empty($conf->facture->enabled) && ($modecompta == 'CREANCES-DETTES' || $modecompta == "RECETTES-DEPENSES")) {
+if (isModEnabled('facture') && ($modecompta == 'CREANCES-DETTES' || $modecompta == "RECETTES-DEPENSES")) {
 	if ($modecompta == 'CREANCES-DETTES') {
 		$sql = "SELECT sum(f.total_ht) as amount_ht, sum(f.total_ttc) as amount_ttc, date_format(f.datef,'%Y-%m') as dm";
 		$sql .= " FROM ".MAIN_DB_PREFIX."facture_fourn as f";
diff --git a/htdocs/compta/stats/cabyuser.php b/htdocs/compta/stats/cabyuser.php
index 35d5028e938..2b8f40b3aba 100644
--- a/htdocs/compta/stats/cabyuser.php
+++ b/htdocs/compta/stats/cabyuser.php
@@ -484,7 +484,7 @@ if (count($amount)) {
 		if (!empty($conf->commande->enabled) && $key > 0) {
 			print '&nbsp;<a href="'.DOL_URL_ROOT.'/commande/stats/index.php?userid='.$key.'">'.img_picto($langs->trans("OrderStats"), "stats").'</a>&nbsp;';
 		}
-		if (!empty($conf->facture->enabled) && $key > 0) {
+		if (isModEnabled('facture') && $key > 0) {
 			print '&nbsp;<a href="'.DOL_URL_ROOT.'/compta/facture/stats/index.php?userid='.$key.'">'.img_picto($langs->trans("InvoiceStats"), "stats").'</a>&nbsp;';
 		}
 		print '</td>';
diff --git a/htdocs/compta/stats/casoc.php b/htdocs/compta/stats/casoc.php
index 1df7ae4db62..320efa36ed6 100644
--- a/htdocs/compta/stats/casoc.php
+++ b/htdocs/compta/stats/casoc.php
@@ -658,7 +658,7 @@ if (count($amount)) {
 		if (!empty($conf->commande->enabled) && $key > 0) {
 			print '&nbsp;<a href="'.DOL_URL_ROOT.'/commande/stats/index.php?socid='.$key.'">'.img_picto($langs->trans("OrderStats"), "stats").'</a>&nbsp;';
 		}
-		if (!empty($conf->facture->enabled) && $key > 0) {
+		if (isModEnabled('facture') && $key > 0) {
 			print '&nbsp;<a href="'.DOL_URL_ROOT.'/compta/facture/stats/index.php?socid='.$key.'">'.img_picto($langs->trans("InvoiceStats"), "stats").'</a>&nbsp;';
 		}
 		print '</td>';
diff --git a/htdocs/contact/agenda.php b/htdocs/contact/agenda.php
index 98b6ccea3b1..5f07922b2e4 100644
--- a/htdocs/contact/agenda.php
+++ b/htdocs/contact/agenda.php
@@ -252,7 +252,7 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 
 		$out = '';
 		$newcardbutton = '';
-		if (!empty($conf->agenda->enabled)) {
+		if (isModEnabled('agenda')) {
 			$permok = $user->rights->agenda->myactions->create;
 			if ((!empty($objthirdparty->id) || !empty($objcon->id)) && $permok) {
 				if (is_object($objthirdparty) && get_class($objthirdparty) == 'Societe') {
@@ -267,7 +267,7 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 			}
 		}
 
-		if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+		if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 			print '<br>';
 
 			$param = '&id='.$id;
diff --git a/htdocs/contact/canvas/actions_contactcard_common.class.php b/htdocs/contact/canvas/actions_contactcard_common.class.php
index 195a4d028f4..a72ea3d7d21 100644
--- a/htdocs/contact/canvas/actions_contactcard_common.class.php
+++ b/htdocs/contact/canvas/actions_contactcard_common.class.php
@@ -206,7 +206,7 @@ abstract class ActionsContactCardCommon
 				$this->tpl['contact_element'][$i]['linked_element_value'] = $this->object->ref_contrat ? $this->object->ref_contrat : $langs->trans("NoContactForAnyContract");
 				$i++;
 			}
-			if (!empty($conf->facture->enabled)) {
+			if (isModEnabled('facture')) {
 				$this->tpl['contact_element'][$i]['linked_element_label'] = $langs->trans("ContactForInvoices");
 				$this->tpl['contact_element'][$i]['linked_element_value'] = $this->object->ref_facturation ? $this->object->ref_facturation : $langs->trans("NoContactForAnyInvoice");
 				$i++;
diff --git a/htdocs/contact/card.php b/htdocs/contact/card.php
index cd12fd12150..30189680bc7 100644
--- a/htdocs/contact/card.php
+++ b/htdocs/contact/card.php
@@ -1241,7 +1241,7 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 				print '</td></tr>';
 			}
 
-			if (!empty($conf->facture->enabled)) {
+			if (isModEnabled('facture')) {
 				print '<tr><td>'.$langs->trans("ContactForInvoices").'</td><td colspan="3">';
 				print $object->ref_facturation ? $object->ref_facturation : ('<span class="opacitymedium">'.$langs->trans("NoContactForAnyInvoice").'</span>');
 				print '</td></tr>';
@@ -1511,7 +1511,7 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 			print '</td></tr>';
 		}
 
-		if (!empty($conf->facture->enabled)) {
+		if (isModEnabled('facture')) {
 			print '<tr><td>'.$langs->trans("ContactForInvoices").'</td><td colspan="3">';
 			print $object->ref_facturation ? $object->ref_facturation : $langs->trans("NoContactForAnyInvoice");
 			print '</td></tr>';
diff --git a/htdocs/contact/consumption.php b/htdocs/contact/consumption.php
index b7fc682d2c6..41a6a74dd4b 100644
--- a/htdocs/contact/consumption.php
+++ b/htdocs/contact/consumption.php
@@ -159,7 +159,7 @@ if ($object->thirdparty->client) {
 	if (!empty($conf->commande->enabled) && $user->rights->commande->lire) {
 		$elementTypeArray['order'] = $langs->transnoentitiesnoconv('Orders');
 	}
-	if (!empty($conf->facture->enabled) && $user->rights->facture->lire) {
+	if (isModEnabled('facture') && $user->rights->facture->lire) {
 		$elementTypeArray['invoice'] = $langs->transnoentitiesnoconv('Invoices');
 	}
 	if (!empty($conf->contrat->enabled) && $user->rights->contrat->lire) {
diff --git a/htdocs/contrat/agenda.php b/htdocs/contrat/agenda.php
index d654ac38d9f..70761162153 100644
--- a/htdocs/contrat/agenda.php
+++ b/htdocs/contrat/agenda.php
@@ -243,7 +243,7 @@ if ($id > 0) {
 
 
 	$newcardbutton = '';
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			$backtopage = $_SERVER['PHP_SELF'].'?id='.$object->id;
 			$out = '&origin='.$object->element.'&originid='.$object->id.'&backtopage='.urlencode($backtopage);
@@ -251,7 +251,7 @@ if ($id > 0) {
 		}
 	}
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		print '<br>';
 
 		$param = '&id='.$id;
diff --git a/htdocs/contrat/card.php b/htdocs/contrat/card.php
index d17f5399679..3202d8598d0 100644
--- a/htdocs/contrat/card.php
+++ b/htdocs/contrat/card.php
@@ -2071,7 +2071,7 @@ if ($action == 'create') {
 					}
 				}
 
-				if (!empty($conf->facture->enabled) && $object->statut > 0) {
+				if (isModEnabled('facture') && $object->statut > 0) {
 					$langs->load("bills");
 					if ($user->rights->facture->creer) {
 						print dolGetButtonAction($langs->trans('CreateBill'), '', 'default', DOL_URL_ROOT.'/compta/facture/card.php?action=create&amp;origin='.$object->element.'&amp;originid='.$object->id.'&amp;socid='.$object->thirdparty->id, '', true, $params);
diff --git a/htdocs/contrat/services_list.php b/htdocs/contrat/services_list.php
index 1f3ccf70f3a..530457f45fa 100644
--- a/htdocs/contrat/services_list.php
+++ b/htdocs/contrat/services_list.php
@@ -486,7 +486,7 @@ $morefilter = '';
 $moreforfilter = '';
 
 // If the user can view categories of products
-if ($conf->categorie->enabled && ($user->rights->produit->lire || $user->rights->service->lire)) {
+if (isModEnabled('categorie') && ($user->rights->produit->lire || $user->rights->service->lire)) {
 	include_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 	$moreforfilter .= '<div class="divsearchfield">';
 	$tmptitle = $langs->trans('IncludingProductWithTag');
diff --git a/htdocs/core/actions_addupdatedelete.inc.php b/htdocs/core/actions_addupdatedelete.inc.php
index b90f3c8ebd0..a4fbbd16c58 100644
--- a/htdocs/core/actions_addupdatedelete.inc.php
+++ b/htdocs/core/actions_addupdatedelete.inc.php
@@ -137,7 +137,7 @@ if ($action == 'add' && !empty($permissiontoadd)) {
 		$result = $object->create($user);
 		if ($result > 0) {
 			// Creation OK
-			if ($conf->categorie->enabled && method_exists($object, 'setCategories')) {
+			if (isModEnabled('categorie') && method_exists($object, 'setCategories')) {
 				$categories = GETPOST('categories', 'array:int');
 				$object->setCategories($categories);
 			}
@@ -244,7 +244,7 @@ if ($action == 'update' && !empty($permissiontoadd)) {
 			}
 		}
 
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			$categories = GETPOST('categories', 'array');
 			if (method_exists($object, 'setCategories')) {
 				$object->setCategories($categories);
diff --git a/htdocs/core/ajax/selectsearchbox.php b/htdocs/core/ajax/selectsearchbox.php
index ae4f7c41515..de69e19c3e2 100644
--- a/htdocs/core/ajax/selectsearchbox.php
+++ b/htdocs/core/ajax/selectsearchbox.php
@@ -105,7 +105,7 @@ if (!empty($conf->commande->enabled) && empty($conf->global->MAIN_SEARCHFORM_CUS
 if (!empty($conf->expedition->enabled) && empty($conf->global->MAIN_SEARCHFORM_CUSTOMER_SHIPMENT_DISABLED) && $user->rights->expedition->lire) {
 	$arrayresult['searchintoshipment'] = array('position'=>80, 'img'=>'object_shipment', 'label'=>$langs->trans("SearchIntoCustomerShipments", $search_boxvalue), 'text'=>img_picto('', 'object_shipment', 'class="pictofixedwidth"').' '.$langs->trans("SearchIntoCustomerShipments", $search_boxvalue), 'url'=>DOL_URL_ROOT.'/expedition/list.php'.($search_boxvalue ? '?sall='.urlencode($search_boxvalue) : ''));
 }
-if (!empty($conf->facture->enabled) && empty($conf->global->MAIN_SEARCHFORM_CUSTOMER_INVOICE_DISABLED) && $user->rights->facture->lire) {
+if (isModEnabled('facture') && empty($conf->global->MAIN_SEARCHFORM_CUSTOMER_INVOICE_DISABLED) && $user->rights->facture->lire) {
 	$arrayresult['searchintoinvoice'] = array('position'=>90, 'img'=>'object_bill', 'label'=>$langs->trans("SearchIntoCustomerInvoices", $search_boxvalue), 'text'=>img_picto('', 'object_bill', 'class="pictofixedwidth"').' '.$langs->trans("SearchIntoCustomerInvoices", $search_boxvalue), 'url'=>DOL_URL_ROOT.'/compta/facture/list.php'.($search_boxvalue ? '?sall='.urlencode($search_boxvalue) : ''));
 }
 
@@ -120,7 +120,7 @@ if (((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_S
 }
 
 // Customer payments
-if (!empty($conf->facture->enabled) && empty($conf->global->MAIN_SEARCHFORM_CUSTOMER_INVOICE_DISABLED) && $user->rights->facture->lire) {
+if (isModEnabled('facture') && empty($conf->global->MAIN_SEARCHFORM_CUSTOMER_INVOICE_DISABLED) && $user->rights->facture->lire) {
 	$arrayresult['searchintocustomerpayments'] = array(
 		'position'=>170,
 		'img'=>'object_payment',
diff --git a/htdocs/core/boxes/box_activity.php b/htdocs/core/boxes/box_activity.php
index 02b5070a96c..ea43eff12fc 100644
--- a/htdocs/core/boxes/box_activity.php
+++ b/htdocs/core/boxes/box_activity.php
@@ -62,7 +62,7 @@ class box_activity extends ModeleBoxes
 		// FIXME: Pb into some status
 		$this->enabled = ($conf->global->MAIN_FEATURES_LEVEL); // Not enabled by default due to bugs (see previous comments)
 
-		$this->hidden = !((!empty($conf->facture->enabled) && $user->rights->facture->lire)
+		$this->hidden = !((isModEnabled('facture') && $user->rights->facture->lire)
 			|| (!empty($conf->commande->enabled) && $user->rights->commande->lire)
 			|| (!empty($conf->propal->enabled) && $user->rights->propale->lire)
 			);
@@ -278,7 +278,7 @@ class box_activity extends ModeleBoxes
 
 
 		// list the summary of the bills
-		if (!empty($conf->facture->enabled) && $user->rights->facture->lire) {
+		if (isModEnabled('facture') && $user->rights->facture->lire) {
 			include_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 			$facturestatic = new Facture($this->db);
 
diff --git a/htdocs/core/boxes/box_dolibarr_state_board.php b/htdocs/core/boxes/box_dolibarr_state_board.php
index 24be4100dab..28461e07de5 100644
--- a/htdocs/core/boxes/box_dolibarr_state_board.php
+++ b/htdocs/core/boxes/box_dolibarr_state_board.php
@@ -126,7 +126,7 @@ class box_dolibarr_state_board extends ModeleBoxes
 				'services' => !empty($conf->service->enabled) && $user->rights->service->lire,
 				'proposals' => !empty($conf->propal->enabled) && $user->rights->propale->lire,
 				'orders' => !empty($conf->commande->enabled) && $user->rights->commande->lire,
-				'invoices' => !empty($conf->facture->enabled) && $user->rights->facture->lire,
+				'invoices' => isModEnabled('facture') && $user->rights->facture->lire,
 				'donations' => !empty($conf->don->enabled) && $user->rights->don->lire,
 				'contracts' => !empty($conf->contrat->enabled) && $user->rights->contrat->lire,
 				'interventions' => !empty($conf->ficheinter->enabled) && $user->rights->ficheinter->lire,
diff --git a/htdocs/core/boxes/box_graph_product_distribution.php b/htdocs/core/boxes/box_graph_product_distribution.php
index adcc750a6a8..afed778912f 100644
--- a/htdocs/core/boxes/box_graph_product_distribution.php
+++ b/htdocs/core/boxes/box_graph_product_distribution.php
@@ -60,7 +60,7 @@ class box_graph_product_distribution extends ModeleBoxes
 		$this->db = $db;
 
 		$this->hidden = !(
-			(!empty($conf->facture->enabled) && !empty($user->rights->facture->lire))
+			(isModEnabled('facture') && !empty($user->rights->facture->lire))
 		 || (!empty($conf->commande->enabled) && !empty($user->rights->commande->lire))
 		 || (!empty($conf->propal->enabled) && !empty($user->rights->propale->lire))
 		);
@@ -107,7 +107,7 @@ class box_graph_product_distribution extends ModeleBoxes
 			$showinvoicenb = 1;
 			$showordernb = 1;
 		}
-		if (empty($conf->facture->enabled) || empty($user->rights->facture->lire)) {
+		if (!isModEnabled('facture') || empty($user->rights->facture->lire)) {
 			$showinvoicenb = 0;
 		}
 		if (empty($conf->propal->enabled) || empty($user->rights->propale->lire)) {
@@ -278,7 +278,7 @@ class box_graph_product_distribution extends ModeleBoxes
 		}
 
 
-		if (!empty($conf->facture->enabled) && !empty($user->rights->facture->lire)) {
+		if (isModEnabled('facture') && !empty($user->rights->facture->lire)) {
 			// Build graphic number of object. $data = array(array('Lib',val1,val2,val3),...)
 			if ($showinvoicenb) {
 				$langs->load("bills");
@@ -372,7 +372,7 @@ class box_graph_product_distribution extends ModeleBoxes
 			if (!empty($conf->commande->enabled) || !empty($user->rights->commande->lire)) {
 				$stringtoshow .= '<input type="checkbox" name="'.$param_showordernb.'"'.($showordernb ? ' checked' : '').'> '.$langs->trans("ForCustomersOrders");
 			}
-			if (!empty($conf->facture->enabled) || !empty($user->rights->facture->lire)) {
+			if (isModEnabled('facture') || !empty($user->rights->facture->lire)) {
 				$stringtoshow .= '<input type="checkbox" name="'.$param_showinvoicenb.'"'.($showinvoicenb ? ' checked' : '').'> '.$langs->trans("ForCustomersInvoices");
 				$stringtoshow .= ' &nbsp; ';
 			}
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index ca5be02b1d9..56990effeb2 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -8502,13 +8502,13 @@ class Form
 				// To work with non standard path
 				if ($objecttype == 'facture') {
 					$tplpath = 'compta/'.$element;
-					if (empty($conf->facture->enabled)) {
+					if (!isModEnabled('facture')) {
 						continue; // Do not show if module disabled
 					}
 				} elseif ($objecttype == 'facturerec') {
 					$tplpath = 'compta/facture';
 					$tplname = 'linkedobjectblockForRec';
-					if (empty($conf->facture->enabled)) {
+					if (!isModEnabled('facture')) {
 						continue; // Do not show if module disabled
 					}
 				} elseif ($objecttype == 'propal') {
@@ -8644,12 +8644,12 @@ class Form
 					'label'=>'LinkToOrder',
 					'sql'=>"SELECT s.rowid as socid, s.nom as name, s.client, t.rowid, t.ref, t.ref_client, t.total_ht FROM ".$this->db->prefix()."societe as s, ".$this->db->prefix()."commande as t WHERE t.fk_soc = s.rowid AND t.fk_soc IN (".$this->db->sanitize($listofidcompanytoscan).') AND t.entity IN ('.getEntity('commande').')'),
 				'invoice'=>array(
-					'enabled'=>(!empty($conf->facture->enabled) ? $conf->facture->enabled : 0),
+					'enabled'=>isModEnabled('facture'),
 					'perms'=>1,
 					'label'=>'LinkToInvoice',
 					'sql'=>"SELECT s.rowid as socid, s.nom as name, s.client, t.rowid, t.ref, t.ref_client, t.total_ht FROM ".$this->db->prefix()."societe as s, ".$this->db->prefix()."facture as t WHERE t.fk_soc = s.rowid AND t.fk_soc IN (".$this->db->sanitize($listofidcompanytoscan).') AND t.entity IN ('.getEntity('invoice').')'),
 				'invoice_template'=>array(
-					'enabled'=>(!empty($conf->facture->enabled) ? $conf->facture->enabled : 0),
+					'enabled'=>isModEnabled('facture'),
 					'perms'=>1,
 					'label'=>'LinkToTemplateInvoice',
 					'sql'=>"SELECT s.rowid as socid, s.nom as name, s.client, t.rowid, t.titre as ref, t.total_ht FROM ".$this->db->prefix()."societe as s, ".$this->db->prefix()."facture_rec as t WHERE t.fk_soc = s.rowid AND t.fk_soc IN (".$this->db->sanitize($listofidcompanytoscan).') AND t.entity IN ('.getEntity('invoice').')'),
diff --git a/htdocs/core/class/html.formactions.class.php b/htdocs/core/class/html.formactions.class.php
index 1bc009491d1..242c1476736 100644
--- a/htdocs/core/class/html.formactions.class.php
+++ b/htdocs/core/class/html.formactions.class.php
@@ -226,7 +226,7 @@ class FormActions
 			}
 
 			$newcardbutton = '';
-			if (!empty($conf->agenda->enabled) && !empty($user->rights->agenda->myactions->create)) {
+			if (isModEnabled('agenda') && !empty($user->rights->agenda->myactions->create)) {
 				$url = DOL_URL_ROOT.'/comm/action/card.php?action=create&token='.newToken().'&datep='.urlencode(dol_print_date(dol_now(), 'dayhourlog', 'tzuser')).'&origin='.urlencode($typeelement).'&originid='.((int) $object->id).((!empty($object->socid) && $object->socid > 0) ? '&socid='.((int) $object->socid) : ((!empty($socid) && $socid > 0) ? '&socid='.((int) $socid) : '')).($projectid > 0 ? '&projectid='.((int) $projectid) : '').($taskid > 0 ? '&taskid='.((int) $taskid) : '').'&backtopage='.urlencode($urlbacktopage);
 				$newcardbutton .= dolGetButtonTitle($langs->trans("AddEvent"), '', 'fa fa-plus-circle', $url);
 			}
diff --git a/htdocs/core/class/html.formmail.class.php b/htdocs/core/class/html.formmail.class.php
index 9d87b63cbb8..fb10671ef6f 100644
--- a/htdocs/core/class/html.formmail.class.php
+++ b/htdocs/core/class/html.formmail.class.php
@@ -1619,7 +1619,7 @@ class FormMail extends Form
 					if (!empty($conf->don->enabled)) {
 						$tmparray['__SECUREKEYPAYMENT_DONATION__'] = 'SecureKeyPAYMENTUniquePerDonation';
 					}
-					if (!empty($conf->facture->enabled)) {
+					if (isModEnabled('facture')) {
 						$tmparray['__SECUREKEYPAYMENT_INVOICE__'] = 'SecureKeyPAYMENTUniquePerInvoice';
 					}
 					if (!empty($conf->commande->enabled)) {
@@ -1636,7 +1636,7 @@ class FormMail extends Form
 					if (!empty($conf->don->enabled)) {
 						$tmparray['__ONLINEPAYMENTLINK_DONATION__'] = 'OnlinePaymentLinkUniquePerDonation';
 					}
-					if (!empty($conf->facture->enabled)) {
+					if (isModEnabled('facture')) {
 						$tmparray['__ONLINEPAYMENTLINK_INVOICE__'] = 'OnlinePaymentLinkUniquePerInvoice';
 					}
 					if (!empty($conf->commande->enabled)) {
diff --git a/htdocs/core/class/html.formticket.class.php b/htdocs/core/class/html.formticket.class.php
index 31a48f38cf4..957026c2180 100644
--- a/htdocs/core/class/html.formticket.class.php
+++ b/htdocs/core/class/html.formticket.class.php
@@ -433,7 +433,7 @@ class FormTicket
 		}
 
 		// Categories
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			include_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 			$cate_arbo = $form->select_all_categories(Categorie::TYPE_TICKET, '', 'parent', 64, 0, 1);
 
diff --git a/htdocs/core/lib/admin.lib.php b/htdocs/core/lib/admin.lib.php
index b085ce49db0..17a8b7c1231 100644
--- a/htdocs/core/lib/admin.lib.php
+++ b/htdocs/core/lib/admin.lib.php
@@ -1712,7 +1712,7 @@ function form_constantes($tableau, $strictw3c = 0, $helptext = '', $text = 'Valu
 				print 'mymailmanlist<br>';
 				print 'mymailmanlist1,mymailmanlist2<br>';
 				print 'TYPE:Type1:mymailmanlist1,TYPE:Type2:mymailmanlist2<br>';
-				if ($conf->categorie->enabled) {
+				if (isModEnabled('categorie')) {
 					print 'CATEG:Categ1:mymailmanlist1,CATEG:Categ2:mymailmanlist2<br>';
 				}
 				print '</div>';
@@ -1744,7 +1744,7 @@ function form_constantes($tableau, $strictw3c = 0, $helptext = '', $text = 'Valu
 					print "</textarea>\n";
 				} elseif ($obj->type == 'html') {
 					require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
-					$doleditor = new DolEditor('constvalue'.(empty($strictw3c) ? '' : ($strictw3c == 3 ? '_'.$const : '[]')), $obj->value, '', 160, 'dolibarr_notes', '', false, false, $conf->fckeditor->enabled, ROWS_5, '90%');
+					$doleditor = new DolEditor('constvalue'.(empty($strictw3c) ? '' : ($strictw3c == 3 ? '_'.$const : '[]')), $obj->value, '', 160, 'dolibarr_notes', '', false, false, isModEnabled('fckeditor'), ROWS_5, '90%');
 					$doleditor->Create();
 				} elseif ($obj->type == 'yesno') {
 					print $form->selectyesno('constvalue'.(empty($strictw3c) ? '' : ($strictw3c == 3 ? '_'.$const : '[]')), $obj->value, 1);
@@ -1991,14 +1991,14 @@ function email_admin_prepare_head()
 		$head[$h][2] = 'common';
 		$h++;
 
-		if (!empty($conf->mailing->enabled)) {
+		if (isModEnabled('mailing')) {
 			$head[$h][0] = DOL_URL_ROOT."/admin/mails_emailing.php";
 			$head[$h][1] = $langs->trans("OutGoingEmailSetupForEmailing", $langs->transnoentitiesnoconv("EMailing"));
 			$head[$h][2] = 'common_emailing';
 			$h++;
 		}
 
-		if (!empty($conf->ticket->enabled)) {
+		if (isModEnabled('ticket')) {
 			$head[$h][0] = DOL_URL_ROOT."/admin/mails_ticket.php";
 			$head[$h][1] = $langs->trans("OutGoingEmailSetupForEmailing", $langs->transnoentitiesnoconv("Ticket"));
 			$head[$h][2] = 'common_ticket';
diff --git a/htdocs/core/lib/agenda.lib.php b/htdocs/core/lib/agenda.lib.php
index 6feee8c35d5..0f7334345fa 100644
--- a/htdocs/core/lib/agenda.lib.php
+++ b/htdocs/core/lib/agenda.lib.php
@@ -92,7 +92,7 @@ function print_actions_filter($form, $canedit, $status, $year, $month, $day, $sh
 		print $form->select_dolgroups($usergroupid, 'usergroup', 1, '', !$canedit, '', '', '0', false, 'minwidth100 maxwidth500 widthcentpercentminusxx');
 		print '</div>';
 
-		if (!empty($conf->resource->enabled)) {
+		if (isModEnabled('resource')) {
 			include_once DOL_DOCUMENT_ROOT.'/resource/class/html.formresource.class.php';
 			$formresource = new FormResource($db);
 
@@ -104,14 +104,14 @@ function print_actions_filter($form, $canedit, $status, $year, $month, $day, $sh
 		}
 	}
 
-	if (!empty($conf->societe->enabled) && !empty($user->rights->societe->lire)) {
+	if (isModEnabled('societe') && !empty($user->rights->societe->lire)) {
 		print '<div class="divsearchfield">';
 		print img_picto($langs->trans("ThirdParty"), 'company', 'class="pictofixedwidth inline-block"');
 		print $form->select_company($socid, 'search_socid', '', '&nbsp;', 0, 0, null, 0, 'minwidth100 maxwidth500');
 		print '</div>';
 	}
 
-	if (!empty($conf->projet->enabled) && !empty($user->rights->projet->lire)) {
+	if (isModEnabled('projet') && !empty($user->rights->projet->lire)) {
 		require_once DOL_DOCUMENT_ROOT.'/core/class/html.formprojet.class.php';
 		$formproject = new FormProjets($db);
 
@@ -423,7 +423,7 @@ function actions_prepare_head($object)
 	$h++;
 
 	// Tab to link resources
-	if ($conf->resource->enabled) {
+	if (isModEnabled('resource')) {
 		include_once DOL_DOCUMENT_ROOT.'/resource/class/dolresource.class.php';
 		$resource = new DolResource($db);
 
diff --git a/htdocs/core/lib/company.lib.php b/htdocs/core/lib/company.lib.php
index 4938d20c3c4..896921ac436 100644
--- a/htdocs/core/lib/company.lib.php
+++ b/htdocs/core/lib/company.lib.php
@@ -128,7 +128,7 @@ function societe_prepare_head(Societe $object)
 		}
 	}
 	$supplier_module_enabled = 0;
-	if ((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_proposal->enabled) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)) {
+	if ((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_proposal->enabled) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)) {
 		$supplier_module_enabled = 1;
 	}
 	if ($supplier_module_enabled == 1 && $object->fournisseur && !empty($user->rights->fournisseur->lire)) {
@@ -171,7 +171,7 @@ function societe_prepare_head(Societe $object)
 	}
 
 	// Tab to link resources
-	if (!empty($conf->resource->enabled) && !empty($conf->global->RESOURCE_ON_THIRDPARTIES)) {
+	if (isModEnabled('resource') && !empty($conf->global->RESOURCE_ON_THIRDPARTIES)) {
 		$head[$h][0] = DOL_URL_ROOT.'/resource/element_resource.php?element=societe&element_id='.$object->id;
 		$head[$h][1] = $langs->trans("Resources");
 		$head[$h][2] = 'resources';
@@ -179,7 +179,7 @@ function societe_prepare_head(Societe $object)
 	}
 
 	// Related items
-	if ((!empty($conf->commande->enabled) || !empty($conf->propal->enabled) || !empty($conf->facture->enabled) || !empty($conf->ficheinter->enabled) || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled))
+	if ((isModEnabled('commande') || isModEnabled('propal') || isModEnabled('facture') || isModEnabled('ficheinter') || (isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled))
 		&& empty($conf->global->THIRDPARTIES_DISABLE_RELATED_OBJECT_TAB)) {
 		$head[$h][0] = DOL_URL_ROOT.'/societe/consumption.php?socid='.$object->id;
 		$head[$h][1] = $langs->trans("Referers");
@@ -195,7 +195,7 @@ function societe_prepare_head(Societe $object)
 
 		$title = $langs->trans("PaymentModes");
 
-		if (!empty($conf->stripe->enabled)) {
+		if (isModEnabled('stripe')) {
 			//$langs->load("stripe");
 			//$title = $langs->trans("BankAccountsAndGateways");
 
@@ -215,7 +215,7 @@ function societe_prepare_head(Societe $object)
 		$sql = "SELECT COUNT(n.rowid) as nb";
 		$sql .= " FROM ".MAIN_DB_PREFIX."societe_rib as n";
 		$sql .= " WHERE n.fk_soc = ".((int) $object->id);
-		if (empty($conf->stripe->enabled)) {
+		if (!isModEnabled('stripe')) {
 			$sql .= " AND n.stripe_card_ref IS NULL";
 		} else {
 			$sql .= " AND (n.stripe_card_ref IS NULL OR (n.stripe_card_ref IS NOT NULL AND n.status = ".((int) $servicestatus)."))";
@@ -229,7 +229,7 @@ function societe_prepare_head(Societe $object)
 			dol_print_error($db);
 		}
 
-		//if (! empty($conf->stripe->enabled) && $nbBankAccount > 0) $nbBankAccount = '...';	// No way to know exact number
+		//if (isModEnabled('stripe') && $nbBankAccount > 0) $nbBankAccount = '...';	// No way to know exact number
 
 		$head[$h][0] = DOL_URL_ROOT.'/societe/paymentmodes.php?socid='.urlencode($object->id);
 		$head[$h][1] = $title;
@@ -242,7 +242,7 @@ function societe_prepare_head(Societe $object)
 		$h++;
 	}
 
-	if (!empty($conf->website->enabled) && (!empty($conf->global->WEBSITE_USE_WEBSITE_ACCOUNTS)) && (!empty($user->rights->societe->lire))) {
+	if (isModEnabled('website') && (!empty($conf->global->WEBSITE_USE_WEBSITE_ACCOUNTS)) && (!empty($user->rights->societe->lire))) {
 		$head[$h][0] = DOL_URL_ROOT.'/societe/website.php?id='.urlencode($object->id);
 		$head[$h][1] = $langs->trans("WebSiteAccounts");
 		$nbNote = 0;
@@ -285,7 +285,7 @@ function societe_prepare_head(Societe $object)
 
 	if ($user->socid == 0) {
 		// Notifications
-		if (!empty($conf->notification->enabled)) {
+		if (isModEnabled('notification')) {
 			$nbNotif = 0;
 			// Enable caching of thirdparty count notifications
 			require_once DOL_DOCUMENT_ROOT.'/core/lib/memory.lib.php';
@@ -361,7 +361,7 @@ function societe_prepare_head(Societe $object)
 
 	$head[$h][0] = DOL_URL_ROOT.'/societe/agenda.php?socid='.$object->id;
 	$head[$h][1] = $langs->trans("Events");
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda')&& (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$nbEvent = 0;
 		// Enable caching of thirdrparty count actioncomm
 		require_once DOL_DOCUMENT_ROOT.'/core/lib/memory.lib.php';
@@ -1283,7 +1283,7 @@ function show_contacts($conf, $langs, $db, $object, $backtopage = '')
 			print '<td align="right">';
 
 			// Add to agenda
-			if (!empty($conf->agenda->enabled) && $user->rights->agenda->myactions->create) {
+			if (isModEnabled('agenda')&& $user->rights->agenda->myactions->create) {
 				print '<a href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create&actioncode=&contactid='.$obj->rowid.'&socid='.$object->id.'&backtopage='.urlencode($backtopage).'">';
 				print img_object($langs->trans("Event"), "action");
 				print '</a> &nbsp; ';
@@ -1410,7 +1410,7 @@ function show_actions_done($conf, $langs, $db, $filterobj, $objcon = '', $noprin
 
 	$sql = '';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		// Recherche histo sur actioncomm
 		if (is_object($objcon) && $objcon->id > 0) {
 			$sql = "SELECT DISTINCT a.id, a.label as label,";
@@ -1665,7 +1665,7 @@ function show_actions_done($conf, $langs, $db, $filterobj, $objcon = '', $noprin
 		}
 	}
 
-	if (!empty($conf->agenda->enabled) || (!empty($conf->mailing->enabled) && !empty($objcon->email))) {
+	if (isModEnabled('agenda')|| (isModEnabled('mailing') && !empty($objcon->email))) {
 		$delay_warning = $conf->global->MAIN_DELAY_ACTIONS_TODO * 24 * 60 * 60;
 
 		require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
@@ -2097,7 +2097,7 @@ function addMailingEventTypeSQL($actioncode, $objcon, $filterobj)
 {
 	global $conf, $langs, $db;
 	// Add also event from emailings. TODO This should be replaced by an automatic event ? May be it's too much for very large emailing.
-	if (!empty($conf->mailing->enabled) && !empty($objcon->email)
+	if (isModEnabled('mailing') && !empty($objcon->email)
 		&& (empty($actioncode) || $actioncode == 'AC_OTH_AUTO' || $actioncode == 'AC_EMAILING')) {
 		$langs->load("mails");
 
diff --git a/htdocs/core/lib/contact.lib.php b/htdocs/core/lib/contact.lib.php
index 5a0c6c376fb..8ade2200724 100644
--- a/htdocs/core/lib/contact.lib.php
+++ b/htdocs/core/lib/contact.lib.php
@@ -92,7 +92,7 @@ function contact_prepare_head(Contact $object)
 	}
 
 	// Related items
-	if (!empty($conf->commande->enabled) || !empty($conf->propal->enabled) || !empty($conf->facture->enabled) || !empty($conf->ficheinter->enabled) || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)) {
+	if (!empty($conf->commande->enabled) || !empty($conf->propal->enabled) || isModEnabled('facture') || !empty($conf->ficheinter->enabled) || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)) {
 		$head[$tab][0] = DOL_URL_ROOT.'/contact/consumption.php?id='.$object->id;
 		$head[$tab][1] = $langs->trans("Referers");
 		$head[$tab][2] = 'consumption';
@@ -133,7 +133,7 @@ function contact_prepare_head(Contact $object)
 	// Agenda / Events
 	$head[$tab][0] = DOL_URL_ROOT.'/contact/agenda.php?id='.$object->id;
 	$head[$tab][1] = $langs->trans("Events");
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$head[$tab][1] .= '/';
 		$head[$tab][1] .= $langs->trans("Agenda");
 	}
diff --git a/htdocs/core/lib/contract.lib.php b/htdocs/core/lib/contract.lib.php
index 885ddec7255..2d627532010 100644
--- a/htdocs/core/lib/contract.lib.php
+++ b/htdocs/core/lib/contract.lib.php
@@ -89,7 +89,7 @@ function contract_prepare_head(Contrat $object)
 
 	$head[$h][0] = DOL_URL_ROOT.'/contrat/agenda.php?id='.$object->id;
 	$head[$h][1] .= $langs->trans("Events");
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$head[$h][1] .= '/';
 		$head[$h][1] .= $langs->trans("Agenda");
 	}
diff --git a/htdocs/core/lib/fichinter.lib.php b/htdocs/core/lib/fichinter.lib.php
index fec64f931dc..6bfb7f717de 100644
--- a/htdocs/core/lib/fichinter.lib.php
+++ b/htdocs/core/lib/fichinter.lib.php
@@ -64,7 +64,7 @@ function fichinter_prepare_head($object)
 	complete_head_from_modules($conf, $langs, $object, $head, $h, 'intervention');
 
 	// Tab to link resources
-	if ($conf->resource->enabled) {
+	if (isModEnabled('resource')) {
 		require_once DOL_DOCUMENT_ROOT.'/resource/class/dolresource.class.php';
 		$objectres = new Dolresource($db);
 		$linked_resources = $objectres->getElementResources('fichinter', $object->id);
diff --git a/htdocs/core/lib/fourn.lib.php b/htdocs/core/lib/fourn.lib.php
index 683b4b49912..2fd4ce3799a 100644
--- a/htdocs/core/lib/fourn.lib.php
+++ b/htdocs/core/lib/fourn.lib.php
@@ -223,7 +223,7 @@ function ordersupplier_prepare_head(CommandeFournisseur $object)
 
 	$head[$h][0] = DOL_URL_ROOT.'/fourn/commande/info.php?id='.$object->id;
 	$head[$h][1] .= $langs->trans("Events");
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$head[$h][1] .= '/';
 		$head[$h][1] .= $langs->trans("Agenda");
 	}
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 5940a0d58c4..44dcf0a57d0 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -3357,7 +3357,7 @@ function dol_print_phone($phone, $countrycode = '', $cid = 0, $socid = 0, $addli
 		}
 
 		//if (($cid || $socid) && ! empty($conf->agenda->enabled) && $user->rights->agenda->myactions->create)
-		if (!empty($conf->agenda->enabled) && $user->rights->agenda->myactions->create) {
+		if (isModEnabled('agenda') && $user->rights->agenda->myactions->create) {
 			$type = 'AC_TEL';
 			$link = '';
 			if ($addlink == 'AC_FAX') {
diff --git a/htdocs/core/lib/invoice.lib.php b/htdocs/core/lib/invoice.lib.php
index 786483e257b..580e30db650 100644
--- a/htdocs/core/lib/invoice.lib.php
+++ b/htdocs/core/lib/invoice.lib.php
@@ -254,7 +254,7 @@ function supplier_invoice_rec_prepare_head($object)
 function getNumberInvoicesPieChart($mode)
 {
 	global $conf, $db, $langs, $user;
-	if (!empty($conf->facture->enabled) && !empty($user->rights->facture->lire)) {
+	if (isModEnabled('facture') && !empty($user->rights->facture->lire)) {
 		include DOL_DOCUMENT_ROOT.'/theme/'.$conf->theme.'/theme_vars.inc.php';
 
 		$now = date_create(date('Y-m-d', dol_now()));
@@ -882,7 +882,7 @@ function getCustomerInvoiceUnpaidOpenTable($maxCount = 500, $socid = 0)
 
 	$result = '';
 
-	if (!empty($conf->facture->enabled) && !empty($user->rights->facture->lire)) {
+	if (isModEnabled('facture') && !empty($user->rights->facture->lire)) {
 		$tmpinvoice = new Facture($db);
 
 		$sql = "SELECT f.rowid, f.ref, f.fk_statut as status, f.datef, f.type, f.total_ht, f.total_tva, f.total_ttc, f.paye, f.tms";
diff --git a/htdocs/core/lib/member.lib.php b/htdocs/core/lib/member.lib.php
index ed3b69752f1..677d8cfdaef 100644
--- a/htdocs/core/lib/member.lib.php
+++ b/htdocs/core/lib/member.lib.php
@@ -112,10 +112,10 @@ function member_prepare_head(Adherent $object)
 	$h++;
 
 	// Show agenda tab
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		$head[$h][0] = DOL_URL_ROOT."/adherents/agenda.php?id=".$object->id;
 		$head[$h][1] = $langs->trans("Events");
-		if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+		if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 			$head[$h][1] .= '/';
 			$head[$h][1] .= $langs->trans("Agenda");
 		}
diff --git a/htdocs/core/lib/order.lib.php b/htdocs/core/lib/order.lib.php
index 0109847c59a..8860f4126c4 100644
--- a/htdocs/core/lib/order.lib.php
+++ b/htdocs/core/lib/order.lib.php
@@ -60,7 +60,7 @@ function commande_prepare_head(Commande $object)
 		$h++;
 	}
 
-	if (($conf->expedition_bon->enabled && $user->rights->expedition->lire)
+	if ((isModEnabled('expedition_bon') && $user->rights->expedition->lire)
 	|| ($conf->delivery_note->enabled && $user->rights->expedition->delivery->lire)) {
 		$nbShipments = $object->getNbOfShipments();
 		$nbReceiption = 0;
diff --git a/htdocs/core/lib/product.lib.php b/htdocs/core/lib/product.lib.php
index 053a4e7a67b..7b3d1e4637f 100644
--- a/htdocs/core/lib/product.lib.php
+++ b/htdocs/core/lib/product.lib.php
@@ -201,7 +201,7 @@ function product_prepare_head($object)
 	// Log
 	$head[$h][0] = DOL_URL_ROOT.'/product/agenda.php?id='.$object->id;
 	$head[$h][1] = $langs->trans("Events");
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$head[$h][1] .= '/';
 		$head[$h][1] .= $langs->trans("Agenda");
 	}
@@ -450,7 +450,7 @@ function show_stats_for_company($product, $socid)
 		print '</tr>';
 	}
 	// Customer invoices
-	if (!empty($conf->facture->enabled) && $user->rights->facture->lire) {
+	if (isModEnabled('facture') && $user->rights->facture->lire) {
 		$nblines++;
 		$ret = $product->load_stats_facture($socid);
 		if ($ret < 0) {
diff --git a/htdocs/core/lib/project.lib.php b/htdocs/core/lib/project.lib.php
index 14b25a517c6..bcc6fde98c8 100644
--- a/htdocs/core/lib/project.lib.php
+++ b/htdocs/core/lib/project.lib.php
@@ -126,7 +126,7 @@ function project_prepare_head(Project $project, $moreparam = '')
 
 	if (((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled))
 		|| !empty($conf->propal->enabled) || !empty($conf->commande->enabled)
-		|| !empty($conf->facture->enabled) || !empty($conf->contrat->enabled)
+		|| isModEnabled('facture') || !empty($conf->contrat->enabled)
 		|| !empty($conf->ficheinter->enabled) || !empty($conf->agenda->enabled) || !empty($conf->deplacement->enabled) || !empty($conf->stock->enabled)) {
 		$nbElements = 0;
 		// Enable caching of thirdrparty count Contacts
@@ -144,10 +144,10 @@ function project_prepare_head(Project $project, $moreparam = '')
 			if (!empty($conf->commande->enabled)) {
 				$nbElements += $project->getElementCount('order', 'commande');
 			}
-			if (!empty($conf->facture->enabled)) {
+			if (isModEnabled('facture')) {
 				$nbElements += $project->getElementCount('invoice', 'facture');
 			}
-			if (!empty($conf->facture->enabled)) {
+			if (isModEnabled('facture')) {
 				$nbElements += $project->getElementCount('invoice_predefined', 'facture_rec');
 			}
 			if (!empty($conf->supplier_proposal->enabled)) {
@@ -313,7 +313,7 @@ function project_prepare_head(Project $project, $moreparam = '')
 
 	$head[$h][0] = DOL_URL_ROOT.'/projet/info.php?id='.$project->id;
 	$head[$h][1] = $langs->trans("Events");
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$head[$h][1] .= '/';
 		$head[$h][1] .= $langs->trans("Agenda");
 	}
diff --git a/htdocs/core/lib/resource.lib.php b/htdocs/core/lib/resource.lib.php
index 29cd8a5b089..f222857b9d8 100644
--- a/htdocs/core/lib/resource.lib.php
+++ b/htdocs/core/lib/resource.lib.php
@@ -87,7 +87,7 @@ function resource_prepare_head($object)
 
 	$head[$h][0] = DOL_URL_ROOT.'/resource/agenda.php?id='.$object->id;
 	$head[$h][1] = $langs->trans("Events");
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$head[$h][1] .= '/';
 		$head[$h][1] .= $langs->trans("Agenda");
 	}
diff --git a/htdocs/core/lib/ticket.lib.php b/htdocs/core/lib/ticket.lib.php
index 5b220553bfe..e1544e763df 100644
--- a/htdocs/core/lib/ticket.lib.php
+++ b/htdocs/core/lib/ticket.lib.php
@@ -126,7 +126,7 @@ function ticket_prepare_head($object)
 		$head[$h][0] = DOL_URL_ROOT.'/ticket/agenda.php?track_id='.$object->track_id;
 	}
 	$head[$h][1] = $langs->trans('Events');
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$head[$h][1] .= '/';
 		$head[$h][1] .= $langs->trans("Agenda");
 	}
@@ -304,7 +304,7 @@ function show_ticket_messaging($conf, $langs, $db, $filterobj, $objcon = '', $no
 	}
 	$sortfield_new = implode(',', $sortfield_new_list);
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		// Search histo on actioncomm
 		if (is_object($objcon) && $objcon->id > 0) {
 			$sql = "SELECT DISTINCT a.id, a.label as label,";
@@ -565,7 +565,7 @@ function show_ticket_messaging($conf, $langs, $db, $filterobj, $objcon = '', $no
 		$out = info_admin($langs->trans("WarningModuleXDisabledSoYouMayMissEventHere", $langs->transnoentitiesnoconv("Module2400Name")), 0, 0, 'warning');
 	}
 
-	if (!empty($conf->agenda->enabled) || (!empty($conf->mailing->enabled) && !empty($objcon->email))) {
+	if (isModEnabled('agenda') || (!empty($conf->mailing->enabled) && !empty($objcon->email))) {
 		$delay_warning = $conf->global->MAIN_DELAY_ACTIONS_TODO * 24 * 60 * 60;
 
 		require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
diff --git a/htdocs/core/lib/usergroups.lib.php b/htdocs/core/lib/usergroups.lib.php
index dac412f92a6..25945c4e83d 100644
--- a/htdocs/core/lib/usergroups.lib.php
+++ b/htdocs/core/lib/usergroups.lib.php
@@ -72,7 +72,7 @@ function user_prepare_head(User $object)
 	$head[$h][2] = 'guisetup';
 	$h++;
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (empty($conf->global->AGENDA_EXT_NB)) {
 			$conf->global->AGENDA_EXT_NB = 5;
 		}
diff --git a/htdocs/core/menus/standard/auguria.lib.php b/htdocs/core/menus/standard/auguria.lib.php
index ea6d21fe457..adc4f8d487c 100644
--- a/htdocs/core/menus/standard/auguria.lib.php
+++ b/htdocs/core/menus/standard/auguria.lib.php
@@ -229,7 +229,7 @@ function print_start_menu_entry_auguria($idsel, $classname, $showmode)
  */
 function print_text_menu_entry_auguria($text, $showmode, $url, $id, $idsel, $classname, $atarget)
 {
-	global $langs;
+	global $langs, $conf;
 
 	$classnameimg = str_replace('class="', 'class="tmenuimage ', $classname);
 	$classnametxt = str_replace('class="', 'class="tmenulabel ', $classname);
@@ -339,7 +339,7 @@ function print_left_auguria_menu($db, $menu_array_before, $menu_array_after, &$t
 	$newmenu = $menuArbo->menuLeftCharger($newmenu, $mainmenu, $leftmenu, ($user->socid ? 1 : 0), 'auguria', $tabMenu);
 
 	// We update newmenu for special dynamic menus
-	if (!empty($conf->banque->enabled) && $user->rights->banque->lire && $mainmenu == 'bank') {	// Entry for each bank account
+	if (isModEnabled('banque') && $user->rights->banque->lire && $mainmenu == 'bank') {	// Entry for each bank account
 		include_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php'; // Required for to get Account::TYPE_CASH for example
 
 		$sql = "SELECT rowid, label, courant, rappro, courant";
@@ -371,7 +371,7 @@ function print_left_auguria_menu($db, $menu_array_before, $menu_array_after, &$t
 		$db->free($resql);
 	}
 
-	if (!empty($conf->accounting->enabled) && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') { 	// Entry in accountancy journal for each bank account
+	if (isModEnabled('accounting') && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') { 	// Entry in accountancy journal for each bank account
 		$newmenu->add('', $langs->trans("RegistrationInAccounting"), 1, $user->rights->accounting->comptarapport->lire, '', 'accountancy', 'accountancy', 10);
 
 		// Multi journal
@@ -393,18 +393,18 @@ function print_left_auguria_menu($db, $menu_array_before, $menu_array_after, &$t
 					$nature = '';
 
 					// Must match array $sourceList defined into journals_list.php
-					if ($objp->nature == 2 && !empty($conf->facture->enabled) && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_SALES)) {
+					if ($objp->nature == 2 && isModEnabled('facture') && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_SALES)) {
 						$nature = "sells";
 					}
 					if ($objp->nature == 3
-						&& ((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled))
+						&& ((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_invoice'))
 						&& empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_PURCHASES)) {
 						$nature = "purchases";
 					}
-					if ($objp->nature == 4 && !empty($conf->banque->enabled)) {
+					if ($objp->nature == 4 && isModEnabled('banque')) {
 						$nature = "bank";
 					}
-					if ($objp->nature == 5 && !empty($conf->expensereport->enabled) && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_EXPENSEREPORTS)) {
+					if ($objp->nature == 5 && isModEnabled('expensereport') && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_EXPENSEREPORTS)) {
 						$nature = "expensereports";
 					}
 					if ($objp->nature == 1) {
@@ -441,7 +441,7 @@ function print_left_auguria_menu($db, $menu_array_before, $menu_array_after, &$t
 		$db->free($resql);
 	}
 
-	if (!empty($conf->ftp->enabled) && $mainmenu == 'ftp') {	// Entry for FTP
+	if (isModEnabled('ftp') && $mainmenu == 'ftp') {	// Entry for FTP
 		$MAXFTP = 20;
 		$i = 1;
 		while ($i <= $MAXFTP) {
diff --git a/htdocs/core/menus/standard/eldy.lib.php b/htdocs/core/menus/standard/eldy.lib.php
index 0c5662437b5..ddb4b1fab95 100644
--- a/htdocs/core/menus/standard/eldy.lib.php
+++ b/htdocs/core/menus/standard/eldy.lib.php
@@ -94,7 +94,7 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// Members
 	$tmpentry = array(
-		'enabled' => (!empty($conf->adherent->enabled)),
+		'enabled' => (isModEnabled('adherent')),
 		'perms' => (!empty($user->rights->adherent->lire)),
 		'module' => 'adherent'
 	);
@@ -119,10 +119,10 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// Third parties
 	$tmpentry = array(
-		'enabled'=> ((!empty($conf->societe->enabled) &&
+		'enabled'=> ((isModEnabled('societe') &&
 			(empty($conf->global->SOCIETE_DISABLE_PROSPECTS) || empty($conf->global->SOCIETE_DISABLE_CUSTOMERS))
 			)
-			|| ((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled))
+			|| ((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_order') || isModEnabled('supplier_invoice'))
 			),
 		'perms'=> (!empty($user->rights->societe->lire) || !empty($user->rights->fournisseur->lire) || !empty($user->rights->supplier_order->lire) || !empty($user->rights->supplier_invoice->lire) || !empty($user->rights->supplier_proposal->lire)),
 		'module'=>'societe|fournisseur'
@@ -148,16 +148,16 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// Products-Services
 	$tmpentry = array(
-		'enabled'=> (!empty($conf->product->enabled) || !empty($conf->service->enabled) || !empty($conf->expedition->enabled)),
+		'enabled'=> (isModEnabled('product') || isModEnabled('service') || isModEnabled('expedition')),
 		'perms'=> (!empty($user->rights->produit->lire) || !empty($user->rights->service->lire) || !empty($user->rights->expedition->lire)),
 		'module'=>'product|service'
 	);
 	$menu_arr[] = array(
 		'name' => 'Products',
 		'link' => '/product/index.php?mainmenu=products&amp;leftmenu=',
-		'title' => (!empty($conf->product->enabled) && !empty($conf->service->enabled))
+		'title' => (isModEnabled('product') && isModEnabled('service'))
 		? (array("TMenuProducts", " | ", "TMenuServices"))
-		: (!empty($conf->product->enabled) ? "TMenuProducts" : "TMenuServices"),
+		: (isModEnabled('product') ? "TMenuProducts" : "TMenuServices"),
 		'level' => 0,
 		'enabled' => $showmode = isVisibleToUserType($type_user, $tmpentry, $listofmodulesforexternal),
 		'target' => $atarget,
@@ -175,7 +175,7 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// MRP - GPAO
 	$tmpentry = array(
-		'enabled'=>(!empty($conf->bom->enabled) || !empty($conf->mrp->enabled)),
+		'enabled'=>(isModEnabled('bom') || isModEnabled('mrp')),
 		'perms'=>(!empty($user->rights->bom->read) || !empty($user->rights->mrp->read)),
 		'module'=>'bom|mrp'
 	);
@@ -200,7 +200,7 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// Projects
 	$tmpentry = array(
-		'enabled'=> (!empty($conf->projet->enabled) ? 1 : 0),
+		'enabled'=> (isModEnabled('projet') ? 1 : 0),
 		'perms'=> (!empty($user->rights->projet->lire) ? 1 : 0),
 		'module'=>'projet'
 	);
@@ -225,13 +225,13 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// Commercial (propal, commande, supplier_proposal, supplier_order, contrat, ficheinter)
 	$tmpentry = array(
-		'enabled'=>(!empty($conf->propal->enabled)
-			|| !empty($conf->commande->enabled)
-			|| !empty($conf->fournisseur->enabled)
-			|| !empty($conf->supplier_proposal->enabled)
-			|| !empty($conf->supplier_order->enabled)
-			|| !empty($conf->contrat->enabled)
-			|| !empty($conf->ficheinter->enabled)
+		'enabled'=>(isModEnabled('propal')
+			|| isModEnabled('commande')
+			|| isModEnabled('fournisseur')
+			|| isModEnabled('supplier_proposal')
+			|| isModEnabled('supplier_order')
+			|| isModEnabled('contrat')
+			|| isModEnabled('ficheinter')
 			) ? 1 : 0,
 		'perms'=>(!empty($user->rights->propal->lire)
 			|| !empty($user->rights->commande->lire)
@@ -274,13 +274,13 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// Billing - Financial
 	$tmpentry = array(
-		'enabled'=>(!empty($conf->facture->enabled) ||
-			!empty($conf->don->enabled) ||
-			!empty($conf->tax->enabled) ||
-			!empty($conf->salaries->enabled) ||
-			!empty($conf->supplier_invoice->enabled) ||
-			!empty($conf->loan->enabled) ||
-			!empty($conf->margins->enabled)
+		'enabled'=>(isModEnabled('facture') ||
+			isModEnabled('don') ||
+			isModEnabled('tax') ||
+			isModEnabled('salaries') ||
+			isModEnabled('supplier_invoice') ||
+			isModEnabled('loan') ||
+			isModEnabled('margins')
 			) ? 1 : 0,
 		'perms'=>(!empty($user->rights->facture->lire) || !empty($user->rights->don->contact->lire)
 			|| !empty($user->rights->tax->charges->lire) || !empty($user->rights->salaries->read)
@@ -308,7 +308,7 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// Bank
 	$tmpentry = array(
-		'enabled'=>(!empty($conf->banque->enabled) || !empty($conf->prelevement->enabled)),
+		'enabled'=>(isModEnabled('banque') || isModEnabled('prelevement')),
 		'perms'=>(!empty($user->rights->banque->lire) || !empty($user->rights->prelevement->lire) || !empty($user->rights->paymentbybanktransfer->read)),
 		'module'=>'banque|prelevement|paymentbybanktransfer'
 	);
@@ -333,7 +333,7 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// Accounting
 	$tmpentry = array(
-		'enabled'=>(!empty($conf->comptabilite->enabled) || !empty($conf->accounting->enabled) || !empty($conf->asset->enabled) || !empty($conf->intracommreport->enabled)),
+		'enabled'=>(isModEnabled('comptabilite') || isModEnabled('accounting') || isModEnabled('asset') || isModEnabled('intracommreport')),
 		'perms'=>(!empty($user->rights->compta->resultat->lire) || !empty($user->rights->accounting->comptarapport->lire) || !empty($user->rights->accounting->mouvements->lire) || !empty($user->rights->asset->read) || !empty($user->rights->intracommreport->read)),
 		'module'=>'comptabilite|accounting|asset|intracommreport'
 	);
@@ -358,7 +358,7 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// HRM
 	$tmpentry = array(
-		'enabled'=>(!empty($conf->hrm->enabled) || (!empty($conf->holiday->enabled)) || !empty($conf->deplacement->enabled) || !empty($conf->expensereport->enabled) || !empty($conf->recruitment->enabled)),
+		'enabled'=>(isModEnabled('hrm') || (isModEnabled('holiday')) || isModEnabled('deplacement') || isModEnabled('expensereport') || isModEnabled('recruitment')),
 		'perms'=>(!empty($user->rights->user->user->lire) || !empty($user->rights->holiday->read) || !empty($user->rights->deplacement->lire) || !empty($user->rights->expensereport->lire) || !empty($user->rights->recruitment->recruitmentjobposition->read)),
 		'module'=>'hrm|holiday|deplacement|expensereport|recruitment'
 	);
@@ -384,12 +384,12 @@ function print_eldy_menu($db, $atarget, $type_user, &$tabMenu, &$menu, $noout =
 
 	// Tickets and knowledge base
 	$tmpentry = array(
-		'enabled'=>(!empty($conf->ticket->enabled) || !empty($conf->knowledgemanagement->enabled)),
+		'enabled'=>(isModEnabled('ticket') || isModEnabled('knowledgemanagement')),
 		'perms'=>(!empty($user->rights->ticket->read) || !empty($user->rights->knowledgemanagement->knowledgerecord->read)),
 		'module'=>'ticket|knowledgemanagement'
 	);
 	$link = '';
-	if (!empty($conf->ticket->enabled)) {
+	if (isModEnabled('ticket')) {
 		$link = '/ticket/index.php?mainmenu=ticket&amp;leftmenu=';
 	} else {
 		$link = '/knowledgemanagement/knowledgerecord_list.php?mainmenu=ticket&amp;leftmenu=';
@@ -827,7 +827,7 @@ function print_left_eldy_menu($db, $menu_array_before, $menu_array_after, &$tabM
 		$newmenu = $menuArbo->menuLeftCharger($newmenu, $mainmenu, $leftmenu, (empty($user->socid) ? 0 : 1), 'eldy', $tabMenu);
 		//var_dump($newmenu->liste);    //
 
-		if (!empty($conf->ftp->enabled) && $mainmenu == 'ftp') {	// Entry for FTP
+		if (isModEnabled('ftp') && $mainmenu == 'ftp') {	// Entry for FTP
 			$MAXFTP = 20;
 			$i = 1;
 			while ($i <= $MAXFTP) {
@@ -1142,7 +1142,7 @@ function get_left_menu_home($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 			$newmenu->add("/admin/tools/listsessions.php?mainmenu=home&amp;leftmenu=admintools", $langs->trans("Sessions"), 1);
 			$newmenu->add('/admin/system/about.php?mainmenu=home&amp;leftmenu=admintools', $langs->trans('ExternalResources'), 1);
 
-			if (!empty($conf->product->enabled) || !empty($conf->service->enabled)) {
+			if (isModEnabled('product') || isModEnabled('service')) {
 				$langs->load("products");
 				$newmenu->add("/product/admin/product_tools.php?mainmenu=home&amp;leftmenu=admintools", $langs->trans("ProductVatMassChange"), 1, $user->admin);
 			}
@@ -1152,16 +1152,16 @@ function get_left_menu_home($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 		if ($user->rights->user->user->lire) {
 			if ($usemenuhider || empty($leftmenu) || $leftmenu == "users") {
 				$newmenu->add("", $langs->trans("Users"), 1, $user->rights->user->user->lire || $user->admin);
-				$newmenu->add("/user/card.php?leftmenu=users&action=create", $langs->trans("NewUser"), 2, ($user->rights->user->user->creer || $user->admin) && !(!empty($conf->multicompany->enabled) && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE), '', 'home');
+				$newmenu->add("/user/card.php?leftmenu=users&action=create", $langs->trans("NewUser"), 2, ($user->rights->user->user->creer || $user->admin) && !(isModEnabled('multicompany') && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE), '', 'home');
 				$newmenu->add("/user/list.php?leftmenu=users", $langs->trans("ListOfUsers"), 2, $user->rights->user->user->lire || $user->admin);
 				$newmenu->add("/user/hierarchy.php?leftmenu=users", $langs->trans("HierarchicView"), 2, $user->rights->user->user->lire || $user->admin);
-				if (!empty($conf->categorie->enabled)) {
+				if (isModEnabled('categorie')) {
 					$langs->load("categories");
 					$newmenu->add("/categories/index.php?leftmenu=users&type=7", $langs->trans("UsersCategoriesShort"), 2, $user->rights->categorie->lire, '', $mainmenu, 'cat');
 				}
-				$newmenu->add("", $langs->trans("Groups"), 1, ($user->rights->user->user->lire || $user->admin) && !(!empty($conf->multicompany->enabled) && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE));
-				$newmenu->add("/user/group/card.php?leftmenu=users&action=create", $langs->trans("NewGroup"), 2, ((!empty($conf->global->MAIN_USE_ADVANCED_PERMS) ? $user->rights->user->group_advance->write : $user->rights->user->user->creer) || $user->admin) && !(!empty($conf->multicompany->enabled) && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE));
-				$newmenu->add("/user/group/list.php?leftmenu=users", $langs->trans("ListOfGroups"), 2, ((!empty($conf->global->MAIN_USE_ADVANCED_PERMS) ? $user->rights->user->group_advance->read : $user->rights->user->user->lire) || $user->admin) && !(!empty($conf->multicompany->enabled) && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE));
+				$newmenu->add("", $langs->trans("Groups"), 1, ($user->rights->user->user->lire || $user->admin) && !(isModEnabled('multicompany') && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE));
+				$newmenu->add("/user/group/card.php?leftmenu=users&action=create", $langs->trans("NewGroup"), 2, ((!empty($conf->global->MAIN_USE_ADVANCED_PERMS) ? $user->rights->user->group_advance->write : $user->rights->user->user->creer) || $user->admin) && !(isModEnabled('multicompany') && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE));
+				$newmenu->add("/user/group/list.php?leftmenu=users", $langs->trans("ListOfGroups"), 2, ((!empty($conf->global->MAIN_USE_ADVANCED_PERMS) ? $user->rights->user->group_advance->read : $user->rights->user->user->lire) || $user->admin) && !(isModEnabled('multicompany') && $conf->entity > 1 && $conf->global->MULTICOMPANY_TRANSVERSE_MODE));
 			}
 		}
 	}
@@ -1183,7 +1183,7 @@ function get_left_menu_thridparties($mainmenu, &$newmenu, $usemenuhider = 1, $le
 
 	if ($mainmenu == 'companies') {
 		// Societes
-		if (!empty($conf->societe->enabled)) {
+		if (isModEnabled('societe')) {
 			$langs->load("companies");
 			$newmenu->add("/societe/index.php?leftmenu=thirdparties", $langs->trans("ThirdParty"), 0, $user->rights->societe->lire, '', $mainmenu, 'thirdparties', 0, '', '', '', img_picto('', 'company', 'class="paddingright pictofixedwidth"'));
 
@@ -1198,7 +1198,7 @@ function get_left_menu_thridparties($mainmenu, &$newmenu, $usemenuhider = 1, $le
 		$newmenu->add("/societe/list.php?leftmenu=thirdparties", $langs->trans("List"), 1);
 
 		// Prospects
-		if (!empty($conf->societe->enabled) && empty($conf->global->SOCIETE_DISABLE_PROSPECTS)) {
+		if (isModEnabled('societe') && empty($conf->global->SOCIETE_DISABLE_PROSPECTS)) {
 			$langs->load("commercial");
 			$newmenu->add("/societe/list.php?type=p&amp;leftmenu=prospects", $langs->trans("ListProspectsShort"), 2, $user->rights->societe->lire, '', $mainmenu, 'prospects');
 			/* no more required, there is a filter that can do more
@@ -1212,7 +1212,7 @@ function get_left_menu_thridparties($mainmenu, &$newmenu, $usemenuhider = 1, $le
 		}
 
 		// Customers/Prospects
-		if (!empty($conf->societe->enabled) && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS)) {
+		if (isModEnabled('societe') && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS)) {
 			$langs->load("commercial");
 			$newmenu->add("/societe/list.php?type=c&amp;leftmenu=customers", $langs->trans("ListCustomersShort"), 2, $user->rights->societe->lire, '', $mainmenu, 'customers');
 
@@ -1220,14 +1220,14 @@ function get_left_menu_thridparties($mainmenu, &$newmenu, $usemenuhider = 1, $le
 		}
 
 		// Suppliers
-		if (!empty($conf->societe->enabled) && (((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)) || !empty($conf->supplier_proposal->enabled))) {
+		if (isModEnabled('societe') && (((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_order') || isModEnabled('supplier_invoice')) || isModEnabled('supplier_proposal'))) {
 			$langs->load("suppliers");
 			$newmenu->add("/societe/list.php?type=f&amp;leftmenu=suppliers", $langs->trans("ListSuppliersShort"), 2, ($user->rights->fournisseur->lire || $user->rights->supplier_order->lire || $user->rights->supplier_invoice->lire || $user->rights->supplier_proposal->lire), '', $mainmenu, 'suppliers');
 			$newmenu->add("/societe/card.php?leftmenu=suppliers&amp;action=create&amp;type=f", $langs->trans("MenuNewSupplier"), 3, $user->rights->societe->creer && ($user->rights->fournisseur->lire || $user->rights->supplier_order->lire || $user->rights->supplier_invoice->lire || $user->rights->supplier_proposal->lire));
 		}
 
 		// Categories
-		if (!empty($conf->categorie->enabled)) {
+		if (isModEnabled('categorie')) {
 			$langs->load("categories");
 			if (empty($conf->global->SOCIETE_DISABLE_PROSPECTS) || empty($conf->global->SOCIETE_DISABLE_CUSTOMERS)) {
 				// Categories prospects/customers
@@ -1241,7 +1241,7 @@ function get_left_menu_thridparties($mainmenu, &$newmenu, $usemenuhider = 1, $le
 				$newmenu->add("/categories/index.php?leftmenu=cat&amp;type=2", $menutoshow, 1, $user->rights->categorie->lire, '', $mainmenu, 'cat');
 			}
 			// Categories suppliers
-			if ((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)) {
+			if ((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_order') || isModEnabled('supplier_invoice')) {
 				$newmenu->add("/categories/index.php?leftmenu=catfournish&amp;type=1", $langs->trans("SuppliersCategoriesShort"), 1, $user->rights->categorie->lire);
 			}
 		}
@@ -1257,14 +1257,14 @@ function get_left_menu_thridparties($mainmenu, &$newmenu, $usemenuhider = 1, $le
 		if (empty($conf->global->SOCIETE_DISABLE_CUSTOMERS)) {
 			$newmenu->add("/contact/list.php?leftmenu=contacts&type=c", $langs->trans("Customers"), 2, $user->rights->societe->contact->lire);
 		}
-		if ((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)) {
+		if ((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_order') || isModEnabled('supplier_invoice')) {
 			$newmenu->add("/contact/list.php?leftmenu=contacts&type=f", $langs->trans("Suppliers"), 2, $user->rights->societe->contact->lire);
 		}
 		$newmenu->add("/contact/list.php?leftmenu=contacts&type=o", $langs->trans("ContactOthers"), 2, $user->rights->societe->contact->lire);
 		//$newmenu->add("/contact/list.php?userid=$user->id", $langs->trans("MyContacts"), 1, $user->rights->societe->contact->lire);
 
 		// Categories
-		if (!empty($conf->categorie->enabled)) {
+		if (isModEnabled('categorie')) {
 			$langs->load("categories");
 			// Categories Contact
 			$newmenu->add("/categories/index.php?leftmenu=catcontact&amp;type=4", $langs->trans("ContactCategoriesShort"), 1, $user->rights->categorie->lire, '', $mainmenu, 'cat');
@@ -1290,7 +1290,7 @@ function get_left_menu_commercial($mainmenu, &$newmenu, $usemenuhider = 1, $left
 		$langs->load("companies");
 
 		// Customer proposal
-		if (!empty($conf->propal->enabled)) {
+		if (isModEnabled('propal')) {
 			$langs->load("propal");
 			$newmenu->add("/comm/propal/index.php?leftmenu=propals", $langs->trans("Proposals"), 0, $user->rights->propale->lire, '', $mainmenu, 'propals', 100, '', '', '', img_picto('', 'propal', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/comm/propal/card.php?action=create&amp;leftmenu=propals", $langs->trans("NewPropal"), 1, $user->rights->propale->creer);
@@ -1307,7 +1307,7 @@ function get_left_menu_commercial($mainmenu, &$newmenu, $usemenuhider = 1, $left
 		}
 
 		// Customers orders
-		if (!empty($conf->commande->enabled)) {
+		if (isModEnabled('commande')) {
 			$langs->load("orders");
 			$newmenu->add("/commande/index.php?leftmenu=orders", $langs->trans("CustomersOrders"), 0, $user->rights->commande->lire, '', $mainmenu, 'orders', 200, '', '', '', img_picto('', 'order', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/commande/card.php?action=create&amp;leftmenu=orders", $langs->trans("NewOrder"), 1, $user->rights->commande->creer);
@@ -1315,7 +1315,7 @@ function get_left_menu_commercial($mainmenu, &$newmenu, $usemenuhider = 1, $left
 			if ($usemenuhider || empty($leftmenu) || $leftmenu == "orders") {
 				$newmenu->add("/commande/list.php?leftmenu=orders&search_status=0", $langs->trans("StatusOrderDraftShort"), 2, $user->rights->commande->lire);
 				$newmenu->add("/commande/list.php?leftmenu=orders&search_status=1", $langs->trans("StatusOrderValidated"), 2, $user->rights->commande->lire);
-				if (!empty($conf->expedition->enabled)) {
+				if (isModEnabled('expedition')) {
 					$newmenu->add("/commande/list.php?leftmenu=orders&search_status=2", $langs->trans("StatusOrderSentShort"), 2, $user->rights->commande->lire);
 				}
 				$newmenu->add("/commande/list.php?leftmenu=orders&search_status=3", $langs->trans("StatusOrderDelivered"), 2, $user->rights->commande->lire);
@@ -1326,7 +1326,7 @@ function get_left_menu_commercial($mainmenu, &$newmenu, $usemenuhider = 1, $left
 		}
 
 		// Supplier proposal
-		if (!empty($conf->supplier_proposal->enabled)) {
+		if (isModEnabled('supplier_proposal')) {
 			$langs->load("supplier_proposal");
 			$newmenu->add("/supplier_proposal/index.php?leftmenu=propals_supplier", $langs->trans("SupplierProposalsShort"), 0, $user->rights->supplier_proposal->lire, '', $mainmenu, 'propals_supplier', 300, '', '', '', img_picto('', 'supplier_proposal', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/supplier_proposal/card.php?action=create&amp;leftmenu=supplier_proposals", $langs->trans("SupplierProposalNew"), 1, $user->rights->supplier_proposal->creer);
@@ -1335,7 +1335,7 @@ function get_left_menu_commercial($mainmenu, &$newmenu, $usemenuhider = 1, $left
 		}
 
 		// Suppliers orders
-		if (!empty($conf->supplier_order->enabled)) {
+		if (isModEnabled('supplier_order')) {
 			$langs->load("orders");
 			$newmenu->add("/fourn/commande/index.php?leftmenu=orders_suppliers", $langs->trans("SuppliersOrders"), 0, $user->rights->fournisseur->commande->lire, '', $mainmenu, 'orders_suppliers', 400, '', '', '', img_picto('', 'supplier_order', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/fourn/commande/card.php?action=create&amp;leftmenu=orders_suppliers", $langs->trans("NewSupplierOrderShort"), 1, $user->rights->fournisseur->commande->creer);
@@ -1360,7 +1360,7 @@ function get_left_menu_commercial($mainmenu, &$newmenu, $usemenuhider = 1, $left
 		}
 
 		// Contrat
-		if (!empty($conf->contrat->enabled)) {
+		if (isModEnabled('contrat')) {
 			$langs->load("contracts");
 			$newmenu->add("/contrat/index.php?leftmenu=contracts", $langs->trans("ContractsSubscriptions"), 0, $user->rights->contrat->lire, '', $mainmenu, 'contracts', 2000, '', '', '', img_picto('', 'contract', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/contrat/card.php?action=create&amp;leftmenu=contracts", $langs->trans("NewContractSubscription"), 1, $user->rights->contrat->creer);
@@ -1375,7 +1375,7 @@ function get_left_menu_commercial($mainmenu, &$newmenu, $usemenuhider = 1, $left
 		}
 
 		// Interventions
-		if (!empty($conf->ficheinter->enabled)) {
+		if (isModEnabled('ficheinter')) {
 			$langs->load("interventions");
 			$newmenu->add("/fichinter/index.php?leftmenu=ficheinter", $langs->trans("Interventions"), 0, $user->rights->ficheinter->lire, '', $mainmenu, 'ficheinter', 2200, '', '', '', img_picto('', 'intervention', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/fichinter/card.php?action=create&amp;leftmenu=ficheinter", $langs->trans("NewIntervention"), 1, $user->rights->ficheinter->creer, '', '', '', 201);
@@ -1406,7 +1406,7 @@ function get_left_menu_billing($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 		$langs->load("companies");
 
 		// Customers invoices
-		if (!empty($conf->facture->enabled)) {
+		if (isModEnabled('facture')) {
 			$langs->load("bills");
 			$newmenu->add("/compta/facture/index.php?leftmenu=customers_bills", $langs->trans("BillsCustomers"), 0, $user->rights->facture->lire, '', $mainmenu, 'customers_bills', 0, '', '', '', img_picto('', 'bill', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/compta/facture/card.php?action=create", $langs->trans("NewBill"), 1, $user->rights->facture->creer);
@@ -1433,7 +1433,7 @@ function get_left_menu_billing($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 		}
 
 		// Suppliers invoices
-		if (!empty($conf->societe->enabled) && !empty($conf->supplier_invoice->enabled)) {
+		if (isModEnabled('societe') && isModEnabled('supplier_invoice')) {
 			$langs->load("bills");
 			$newmenu->add("/fourn/facture/index.php?leftmenu=suppliers_bills", $langs->trans("BillsSuppliers"), 0, $user->rights->fournisseur->facture->lire, '', $mainmenu, 'suppliers_bills', 0, '', '', '', img_picto('', 'supplier_invoice', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/fourn/facture/card.php?leftmenu=suppliers_bills&amp;action=create", $langs->trans("NewBill"), 1, ($user->rights->fournisseur->facture->creer || $user->rights->supplier_invoice->creer), '', $mainmenu, 'suppliers_bills_create');
@@ -1457,16 +1457,16 @@ function get_left_menu_billing($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 		}
 
 		// Orders
-		if (!empty($conf->commande->enabled)) {
+		if (isModEnabled('commande')) {
 			$langs->load("orders");
-			if (!empty($conf->facture->enabled)) {
+			if (isModEnabled('facture')) {
 				$newmenu->add("/commande/list.php?leftmenu=orders&amp;search_status=-3&amp;billed=0&amp;contextpage=billableorders", $langs->trans("MenuOrdersToBill2"), 0, $user->rights->commande->lire, '', $mainmenu, 'orders', 0, '', '', '', img_picto('', 'order', 'class="paddingright pictofixedwidth"'));
 			}
 			//if ($usemenuhider || empty($leftmenu) || $leftmenu=="orders") $newmenu->add("/commande/", $langs->trans("StatusOrderToBill"), 1, $user->rights->commande->lire);
 		}
 
 		// Supplier Orders to bill
-		if (!empty($conf->supplier_invoice->enabled)) {
+		if (isModEnabled('supplier_invoice')) {
 			if (!empty($conf->global->SUPPLIER_MENU_ORDER_RECEIVED_INTO_INVOICE)) {
 				$langs->load("supplier");
 				$newmenu->add("/fourn/commande/list.php?leftmenu=orders&amp;search_status=5&amp;billed=0", $langs->trans("MenuOrdersSupplierToBill"), 0, $user->rights->commande->lire, '', $mainmenu, 'orders', 0, '', '', '', img_picto('', 'supplier_order', 'class="paddingright pictofixedwidth"'));
@@ -1476,7 +1476,7 @@ function get_left_menu_billing($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 
 
 		// Donations
-		if (!empty($conf->don->enabled)) {
+		if (isModEnabled('don')) {
 			$langs->load("donations");
 			$newmenu->add("/don/index.php?leftmenu=donations&amp;mainmenu=billing", $langs->trans("Donations"), 0, $user->rights->don->lire, '', $mainmenu, 'donations', 0, '', '', '', img_picto('', 'donation', 'class="paddingright pictofixedwidth"'));
 			if ($usemenuhider || empty($leftmenu) || $leftmenu == "donations") {
@@ -1487,7 +1487,7 @@ function get_left_menu_billing($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 		}
 
 		// Taxes and social contributions
-		if (!empty($conf->tax->enabled)) {
+		if (isModEnabled('tax')) {
 			$newmenu->add("/compta/charges/index.php?leftmenu=tax&amp;mainmenu=billing", $langs->trans("MenuTaxesAndSpecialExpenses"), 0, $user->rights->tax->charges->lire, '', $mainmenu, 'tax', 0, '', '', '', img_picto('', 'payment', 'class="paddingright pictofixedwidth"'));
 
 			$newmenu->add("/compta/sociales/list.php?leftmenu=tax_social", $langs->trans("MenuSocialContributions"), 1, $user->rights->tax->charges->lire);
@@ -1536,7 +1536,7 @@ function get_left_menu_billing($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 		}
 
 		// Salaries
-		if (!empty($conf->salaries->enabled)) {
+		if (isModEnabled('salaries')) {
 			$langs->load("salaries");
 			$newmenu->add("/salaries/list.php?leftmenu=tax_salary&amp;mainmenu=billing", $langs->trans("Salaries"), 0, $user->rights->salaries->read, '', $mainmenu, 'tax_salary', 0, '', '', '', img_picto('', 'salary', 'class="paddingright pictofixedwidth"'));
 			if ($usemenuhider || empty($leftmenu) || preg_match('/^tax_salary/i', $leftmenu)) {
@@ -1548,7 +1548,7 @@ function get_left_menu_billing($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 		}
 
 		// Loan
-		if (!empty($conf->loan->enabled)) {
+		if (isModEnabled('loan')) {
 			$langs->load("loan");
 			$newmenu->add("/loan/list.php?leftmenu=tax_loan&amp;mainmenu=billing", $langs->trans("Loans"), 0, $user->rights->loan->read, '', $mainmenu, 'tax_loan', 0, '', '', '', img_picto('', 'loan', 'class="paddingright pictofixedwidth"'));
 			if ($usemenuhider || empty($leftmenu) || preg_match('/^tax_loan/i', $leftmenu)) {
@@ -1558,7 +1558,7 @@ function get_left_menu_billing($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 		}
 
 		// Various payment
-		if (!empty($conf->banque->enabled) && empty($conf->global->BANK_USE_OLD_VARIOUS_PAYMENT)) {
+		if (isModEnabled('banque') && empty($conf->global->BANK_USE_OLD_VARIOUS_PAYMENT)) {
 			$langs->load("banks");
 			$newmenu->add("/compta/bank/various_payment/list.php?leftmenu=tax_various&amp;mainmenu=billing", $langs->trans("MenuVariousPayment"), 0, $user->rights->banque->lire, '', $mainmenu, 'tax_various', 0, '', '', '', img_picto('', 'payment', 'class="paddingright pictofixedwidth"'));
 			if ($usemenuhider || empty($leftmenu) || preg_match('/^tax_various/i', $leftmenu)) {
@@ -1588,8 +1588,8 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 		$langs->load("companies");
 
 		// Accounting (Double entries)
-		if (!empty($conf->accounting->enabled)) {
-			//$permtoshowmenu = (!empty($conf->accounting->enabled) || $user->rights->accounting->bind->write || $user->rights->compta->resultat->lire);
+		if (isModEnabled('accounting')) {
+			//$permtoshowmenu = (isModEnabled('accounting') || $user->rights->accounting->bind->write || $user->rights->compta->resultat->lire);
 			//$newmenu->add("/accountancy/index.php?leftmenu=accountancy", $langs->trans("MenuAccountancy"), 0, $permtoshowmenu, '', $mainmenu, 'accountancy');
 
 			// Configuration
@@ -1609,16 +1609,16 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 				$newmenu->add("/accountancy/admin/subaccount.php?mainmenu=accountancy&leftmenu=accountancy_admin", $langs->trans("ChartOfSubaccounts"), 1, $user->rights->accounting->chartofaccount, '', $mainmenu, 'accountancy_admin_chart', 41);
 				$newmenu->add("/accountancy/admin/categories_list.php?id=32&search_country_id=".$mysoc->country_id."&mainmenu=accountancy&leftmenu=accountancy_admin", $langs->trans("AccountingCategory"), 1, $user->rights->accounting->chartofaccount, '', $mainmenu, 'accountancy_admin_chart', 50);
 				$newmenu->add("/accountancy/admin/defaultaccounts.php?mainmenu=accountancy&leftmenu=accountancy_admin", $langs->trans("MenuDefaultAccounts"), 1, $user->rights->accounting->chartofaccount, '', $mainmenu, 'accountancy_admin_default', 60);
-				if (!empty($conf->banque->enabled)) {
+				if (isModEnabled('banque')) {
 					$newmenu->add("/compta/bank/list.php?mainmenu=accountancy&leftmenu=accountancy_admin&search_status=-1", $langs->trans("MenuBankAccounts"), 1, $user->rights->accounting->chartofaccount, '', $mainmenu, 'accountancy_admin_bank', 70);
 				}
-				if (!empty($conf->facture->enabled) || ((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled))) {
+				if (isModEnabled('facture') || ((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_invoice'))) {
 					$newmenu->add("/admin/dict.php?id=10&from=accountancy&search_country_id=".$mysoc->country_id."&mainmenu=accountancy&leftmenu=accountancy_admin", $langs->trans("MenuVatAccounts"), 1, $user->rights->accounting->chartofaccount, '', $mainmenu, 'accountancy_admin_default', 80);
 				}
-				if (!empty($conf->tax->enabled)) {
+				if (isModEnabled('tax')) {
 					$newmenu->add("/admin/dict.php?id=7&from=accountancy&search_country_id=".$mysoc->country_id."&mainmenu=accountancy&leftmenu=accountancy_admin", $langs->trans("MenuTaxAccounts"), 1, $user->rights->accounting->chartofaccount, '', $mainmenu, 'accountancy_admin_default', 90);
 				}
-				if (!empty($conf->expensereport->enabled)) {
+				if (isModEnabled('expensereport')) {
 					$newmenu->add("/admin/dict.php?id=17&from=accountancy&mainmenu=accountancy&leftmenu=accountancy_admin", $langs->trans("MenuExpenseReportAccounts"), 1, $user->rights->accounting->chartofaccount, '', $mainmenu, 'accountancy_admin_default', 100);
 				}
 				$newmenu->add("/accountancy/admin/productaccount.php?mainmenu=accountancy&leftmenu=accountancy_admin", $langs->trans("MenuProductsAccounts"), 1, $user->rights->accounting->chartofaccount, '', $mainmenu, 'accountancy_admin_product', 110);
@@ -1633,21 +1633,21 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 
 			// Binding
 			// $newmenu->add("", $langs->trans("Binding"), 0, $user->rights->accounting->bind->write, '', $mainmenu, 'dispatch');
-			if (!empty($conf->facture->enabled) && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_SALES)) {
+			if (isModEnabled('facture') && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_SALES)) {
 				$newmenu->add("/accountancy/customer/index.php?leftmenu=accountancy_dispatch_customer&amp;mainmenu=accountancy", $langs->trans("CustomersVentilation"), 1, $user->rights->accounting->bind->write, '', $mainmenu, 'dispatch_customer');
 				if ($usemenuhider || empty($leftmenu) || preg_match('/accountancy_dispatch_customer/', $leftmenu)) {
 					$newmenu->add("/accountancy/customer/list.php?mainmenu=accountancy&amp;leftmenu=accountancy_dispatch_customer", $langs->trans("ToBind"), 2, $user->rights->accounting->bind->write);
 					$newmenu->add("/accountancy/customer/lines.php?mainmenu=accountancy&amp;leftmenu=accountancy_dispatch_customer", $langs->trans("Binded"), 2, $user->rights->accounting->bind->write);
 				}
 			}
-			if (!empty($conf->supplier_invoice->enabled) && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_PURCHASES)) {
+			if (isModEnabled('supplier_invoice') && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_PURCHASES)) {
 				$newmenu->add("/accountancy/supplier/index.php?leftmenu=accountancy_dispatch_supplier&amp;mainmenu=accountancy", $langs->trans("SuppliersVentilation"), 1, $user->rights->accounting->bind->write, '', $mainmenu, 'dispatch_supplier');
 				if ($usemenuhider || empty($leftmenu) || preg_match('/accountancy_dispatch_supplier/', $leftmenu)) {
 					$newmenu->add("/accountancy/supplier/list.php?mainmenu=accountancy&amp;leftmenu=accountancy_dispatch_supplier", $langs->trans("ToBind"), 2, $user->rights->accounting->bind->write);
 					$newmenu->add("/accountancy/supplier/lines.php?mainmenu=accountancy&amp;leftmenu=accountancy_dispatch_supplier", $langs->trans("Binded"), 2, $user->rights->accounting->bind->write);
 				}
 			}
-			if (!empty($conf->expensereport->enabled) && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_EXPENSEREPORTS)) {
+			if (isModEnabled('expensereport') && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_EXPENSEREPORTS)) {
 				$newmenu->add("/accountancy/expensereport/index.php?leftmenu=accountancy_dispatch_expensereport&amp;mainmenu=accountancy", $langs->trans("ExpenseReportsVentilation"), 1, $user->rights->accounting->bind->write, '', $mainmenu, 'dispatch_expensereport');
 				if ($usemenuhider || empty($leftmenu) || preg_match('/accountancy_dispatch_expensereport/', $leftmenu)) {
 					$newmenu->add("/accountancy/expensereport/list.php?mainmenu=accountancy&amp;leftmenu=accountancy_dispatch_expensereport", $langs->trans("ToBind"), 2, $user->rights->accounting->bind->write);
@@ -1656,7 +1656,7 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 			}
 
 			// Journals
-			if (!empty($conf->accounting->enabled) && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') {
+			if (isModEnabled('accounting') && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') {
 				$newmenu->add('', $langs->trans("RegistrationInAccounting"), 1, $user->rights->accounting->comptarapport->lire, '', '', '');
 
 				// Multi journal
@@ -1678,21 +1678,21 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 							$nature = '';
 
 							// Must match array $sourceList defined into journals_list.php
-							if ($objp->nature == 2 && !empty($conf->facture->enabled) && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_SALES)) {
+							if ($objp->nature == 2 && isModEnabled('facture') && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_SALES)) {
 								$nature = "sells";
 							}
 							if ($objp->nature == 3
-								&& ((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled))
+								&& ((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_invoice'))
 								&& empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_PURCHASES)) {
 									$nature = "purchases";
 							}
-							if ($objp->nature == 4 && !empty($conf->banque->enabled)) {
+							if ($objp->nature == 4 && isModEnabled('banque')) {
 								$nature = "bank";
 							}
-							if ($objp->nature == 5 && !empty($conf->expensereport->enabled) && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_EXPENSEREPORTS)) {
+							if ($objp->nature == 5 && isModEnabled('expensereport') && empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_EXPENSEREPORTS)) {
 								$nature = "expensereports";
 							}
-							if ($objp->nature == 1 && !empty($conf->asset->enabled)) {
+							if ($objp->nature == 1 && isModEnabled('asset')) {
 								$nature = "various";	// Warning: The page /accountancy/journal/variousjournal.php is bugged. It read tables that does not exists.
 							}
 							if ($objp->nature == 8) {
@@ -1757,7 +1757,7 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 			}
 
 			$modecompta = 'CREANCES-DETTES';
-			if (!empty($conf->accounting->enabled) && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') {
+			if (isModEnabled('accounting') && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') {
 				$modecompta = 'BOOKKEEPING'; // Not yet implemented. Should be BOOKKEEPINGCOLLECTED
 			}
 			if ($modecompta) {
@@ -1771,7 +1771,7 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 			}
 
 			$modecompta = 'RECETTES-DEPENSES';
-			//if (! empty($conf->accounting->enabled) && ! empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') $modecompta='';	// Not yet implemented. Should be BOOKKEEPINGCOLLECTED
+			//if (isModEnabled('accounting') && ! empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') $modecompta='';	// Not yet implemented. Should be BOOKKEEPINGCOLLECTED
 			if ($modecompta) {
 				if ($usemenuhider || empty($leftmenu) || preg_match('/accountancy_report/', $leftmenu)) {
 					$newmenu->add("/compta/stats/index.php?leftmenu=accountancy_report&modecompta=".$modecompta, $langs->trans("ReportTurnoverCollected"), 2, $user->rights->accounting->comptarapport->lire);
@@ -1783,10 +1783,10 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 			}
 
 			$modecompta = 'CREANCES-DETTES';
-			if (!empty($conf->accounting->enabled) && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') {
+			if (isModEnabled('accounting') && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') {
 				$modecompta = 'BOOKKEEPING'; // Not yet implemented.
 			}
-			if ($modecompta && ((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled))) {
+			if ($modecompta && ((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_invoice'))) {
 				if ($usemenuhider || empty($leftmenu) || preg_match('/accountancy_report/', $leftmenu)) {
 					$newmenu->add("/compta/stats/supplier_turnover.php?leftmenu=accountancy_report&modecompta=".$modecompta, $langs->trans("ReportPurchaseTurnover"), 2, $user->rights->accounting->comptarapport->lire);
 					$newmenu->add("/compta/stats/supplier_turnover_by_thirdparty.php?leftmenu=accountancy_report&modecompta=".$modecompta, $langs->trans("ByCompanies"), 3, $user->rights->accounting->comptarapport->lire);
@@ -1795,10 +1795,10 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 			}
 
 			$modecompta = 'RECETTES-DEPENSES';
-			if (!empty($conf->accounting->enabled) && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') {
+			if (isModEnabled('accounting') && !empty($user->rights->accounting->comptarapport->lire) && $mainmenu == 'accountancy') {
 				$modecompta = 'BOOKKEEPINGCOLLECTED'; // Not yet implemented.
 			}
-			if ($modecompta && ((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled))) {
+			if ($modecompta && ((isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_invoice'))) {
 				if ($usemenuhider || empty($leftmenu) || preg_match('/accountancy_report/', $leftmenu)) {
 					$newmenu->add("/compta/stats/supplier_turnover.php?leftmenu=accountancy_report&modecompta=".$modecompta, $langs->trans("ReportPurchaseTurnoverCollected"), 2, $user->rights->accounting->comptarapport->lire);
 					$newmenu->add("/compta/stats/supplier_turnover_by_thirdparty.php?leftmenu=accountancy_report&modecompta=".$modecompta, $langs->trans("ByCompanies"), 3, $user->rights->accounting->comptarapport->lire);
@@ -1807,7 +1807,7 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 		}
 
 		// Accountancy (simple)
-		if (!empty($conf->comptabilite->enabled)) {
+		if (isModEnabled('comptabilite')) {
 			// Files
 			if (empty($conf->global->ACCOUNTANCY_HIDE_EXPORT_FILES_MENU)) {
 				$newmenu->add("/compta/accounting-files.php?mainmenu=accountancy&amp;leftmenu=accountancy_files", $langs->trans("AccountantFiles"), 0, $user->rights->compta->resultat->lire, '', $mainmenu, 'files');
@@ -1826,7 +1826,7 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 
 				/*
 				 $newmenu->add("/compta/stats/cumul.php?leftmenu=report","Cumule",2,$user->rights->compta->resultat->lire);
-				 if (! empty($conf->propal->enabled)) {
+				 if (isModEnabled('propal')) {
 				 $newmenu->add("/compta/stats/prev.php?leftmenu=report","Previsionnel",2,$user->rights->compta->resultat->lire);
 				 $newmenu->add("/compta/stats/comp.php?leftmenu=report","Transforme",2,$user->rights->compta->resultat->lire);
 				 }
@@ -1865,7 +1865,7 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 		}
 
 		// Intracomm report
-		if (!empty($conf->intracommreport->enabled)) {
+		if (isModEnabled('intracommreport')) {
 			$newmenu->add("/intracommreport/list.php?leftmenu=intracommreport", $langs->trans("MenuIntracommReport"), 0, $user->rights->intracommreport->read, '', $mainmenu, 'intracommreport', 60, '', '', '', img_picto('', 'intracommreport', 'class="paddingright pictofixedwidth"'));
 			if ($usemenuhider || empty($leftmenu) || preg_match('/intracommreport/', $leftmenu)) {
 				// DEB / DES
@@ -1875,7 +1875,7 @@ function get_left_menu_accountancy($mainmenu, &$newmenu, $usemenuhider = 1, $lef
 		}
 
 		// Assets
-		if (!empty($conf->asset->enabled)) {
+		if (isModEnabled('asset')) {
 			$newmenu->add("/asset/list.php?leftmenu=asset&amp;mainmenu=accountancy", $langs->trans("MenuAssets"), 0, $user->rights->asset->read, '', $mainmenu, 'asset', 100, '', '', '', img_picto('', 'payment', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/asset/card.php?leftmenu=asset&amp;action=create", $langs->trans("MenuNewAsset"), 1, $user->rights->asset->write);
 			$newmenu->add("/asset/list.php?leftmenu=asset&amp;mainmenu=accountancy", $langs->trans("MenuListAssets"), 1, $user->rights->asset->read);
@@ -1907,7 +1907,7 @@ function get_left_menu_bank($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 		$langs->loadLangs(array("withdrawals", "banks", "bills", "categories"));
 
 		// Bank-Cash account
-		if (!empty($conf->banque->enabled)) {
+		if (isModEnabled('banque')) {
 			$newmenu->add("/compta/bank/list.php?leftmenu=bank&amp;mainmenu=bank", $langs->trans("MenuBankCash"), 0, $user->rights->banque->lire, '', $mainmenu, 'bank', 0, '', '', '', img_picto('', 'bank_account', 'class="paddingright pictofixedwidth"'));
 
 			$newmenu->add("/compta/bank/card.php?action=create", $langs->trans("MenuNewFinancialAccount"), 1, $user->rights->banque->configurer);
@@ -1918,14 +1918,14 @@ function get_left_menu_bank($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 			$newmenu->add("/compta/bank/transfer.php", $langs->trans("MenuBankInternalTransfer"), 1, $user->rights->banque->transfer);
 		}
 
-		if (!empty($conf->categorie->enabled)) {
+		if (isModEnabled('categorie')) {
 			$langs->load("categories");
 			$newmenu->add("/categories/index.php?type=5", $langs->trans("Rubriques"), 1, $user->rights->categorie->creer, '', $mainmenu, 'tags');
 			$newmenu->add("/compta/bank/categ.php", $langs->trans("RubriquesTransactions"), 1, $user->rights->banque->configurer, '', $mainmenu, 'tags');
 		}
 
 		// Direct debit order
-		if (!empty($conf->prelevement->enabled)) {
+		if (isModEnabled('prelevement')) {
 			$newmenu->add("/compta/prelevement/index.php?leftmenu=withdraw&amp;mainmenu=bank", $langs->trans("PaymentByDirectDebit"), 0, $user->rights->prelevement->bons->lire, '', $mainmenu, 'withdraw', 0, '', '', '', img_picto('', 'payment', 'class="paddingright pictofixedwidth"'));
 
 			if ($usemenuhider || empty($leftmenu) || $leftmenu == "withdraw") {
@@ -1939,7 +1939,7 @@ function get_left_menu_bank($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 		}
 
 		// Bank transfer order
-		if (!empty($conf->paymentbybanktransfer->enabled)) {
+		if (isModEnabled('paymentbybanktransfer')) {
 			$newmenu->add("/compta/paymentbybanktransfer/index.php?leftmenu=banktransfer&amp;mainmenu=bank", $langs->trans("PaymentByBankTransfer"), 0, $user->rights->paymentbybanktransfer->read, '', $mainmenu, 'banktransfer', 0, '', '', '', img_picto('', 'payment', 'class="paddingright pictofixedwidth"'));
 
 			if ($usemenuhider || empty($leftmenu) || $leftmenu == "banktransfer") {
@@ -1953,7 +1953,7 @@ function get_left_menu_bank($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 		}
 
 		// Management of checks
-		if (empty($conf->global->BANK_DISABLE_CHECK_DEPOSIT) && !empty($conf->banque->enabled) && (!empty($conf->facture->enabled) || !empty($conf->global->MAIN_MENU_CHEQUE_DEPOSIT_ON))) {
+		if (empty($conf->global->BANK_DISABLE_CHECK_DEPOSIT) && isModEnabled('banque') && (isModEnabled('facture') || !empty($conf->global->MAIN_MENU_CHEQUE_DEPOSIT_ON))) {
 			$newmenu->add("/compta/paiement/cheque/index.php?leftmenu=checks&amp;mainmenu=bank", $langs->trans("MenuChequeDeposits"), 0, $user->rights->banque->cheque, '', $mainmenu, 'checks', 0, '', '', '', img_picto('', 'payment', 'class="paddingright pictofixedwidth"'));
 			if (preg_match('/checks/', $leftmenu)) {
 				$newmenu->add("/compta/paiement/cheque/card.php?leftmenu=checks_bis&amp;action=new&amp;mainmenu=bank", $langs->trans("NewChequeDeposit"), 1, $user->rights->banque->cheque);
@@ -1962,7 +1962,7 @@ function get_left_menu_bank($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 		}
 
 		// Cash Control
-		if (!empty($conf->takepos->enabled) || !empty($conf->cashdesk->enabled)) {
+		if (isModEnabled('takepos') || isModEnabled('cashdesk')) {
 			$permtomakecashfence = ($user->hasRight('cashdesk', 'run')|| $user->hasRight('takepos', 'run'));
 			$newmenu->add("/compta/cashcontrol/cashcontrol_list.php?action=list", $langs->trans("POS"), 0, $permtomakecashfence, '', $mainmenu, 'cashcontrol', 0, '', '', '', img_picto('', 'pos', 'class="pictofixedwidth"'));
 			$newmenu->add("/compta/cashcontrol/cashcontrol_card.php?action=create", $langs->trans("NewCashFence"), 1, $permtomakecashfence);
@@ -1987,27 +1987,27 @@ function get_left_menu_products($mainmenu, &$newmenu, $usemenuhider = 1, $leftme
 
 	if ($mainmenu == 'products') {
 		// Products
-		if (!empty($conf->product->enabled)) {
+		if (isModEnabled('product')) {
 			$newmenu->add("/product/index.php?leftmenu=product&amp;type=0", $langs->trans("Products"), 0, $user->rights->produit->lire, '', $mainmenu, 'product', 0, '', '', '', img_picto('', 'product', 'class="pictofixedwidth"'));
 			$newmenu->add("/product/card.php?leftmenu=product&amp;action=create&amp;type=0", $langs->trans("NewProduct"), 1, $user->rights->produit->creer);
 			$newmenu->add("/product/list.php?leftmenu=product&amp;type=0", $langs->trans("List"), 1, $user->rights->produit->lire);
-			if (!empty($conf->stock->enabled)) {
+			if (isModEnabled('stock')) {
 				$newmenu->add("/product/reassort.php?type=0", $langs->trans("MenuStocks"), 1, $user->rights->produit->lire && $user->rights->stock->lire);
 			}
-			if (!empty($conf->productbatch->enabled)) {
+			if (isModEnabled('productbatch')) {
 				$langs->load("stocks");
 				$newmenu->add("/product/reassortlot.php?type=0", $langs->trans("StocksByLotSerial"), 1, $user->rights->produit->lire && $user->rights->stock->lire);
 				$newmenu->add("/product/stock/productlot_list.php", $langs->trans("LotSerial"), 1, $user->rights->produit->lire && $user->rights->stock->lire);
 			}
-			if (!empty($conf->variants->enabled)) {
+			if (isModEnabled('variants')) {
 				$newmenu->add("/variants/list.php", $langs->trans("VariantAttributes"), 1, $user->rights->produit->lire);
 			}
-			if (!empty($conf->propal->enabled) || (!empty($conf->commande->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->facture->enabled) || !empty($conf->fournisseur->enabled) || !empty($conf->supplier_proposal->enabled) || !empty($conf->supplier_order->enabled) || !empty($conf->supplier_invoice->enabled)) {
+			if (isModEnabled('propal') || (isModEnabled('commande') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('facture') || isModEnabled('fournisseur') || isModEnabled('supplier_proposal') || isModEnabled('supplier_order') || isModEnabled('supplier_invoice')) {
 				$newmenu->add("/product/stats/card.php?id=all&leftmenu=stats&type=0", $langs->trans("Statistics"), 1, $user->rights->produit->lire);
 			}
 
 			// Categories
-			if (!empty($conf->categorie->enabled)) {
+			if (isModEnabled('categorie')) {
 				$langs->load("categories");
 				$newmenu->add("/categories/index.php?leftmenu=cat&amp;type=0", $langs->trans("Categories"), 1, $user->rights->categorie->lire, '', $mainmenu, 'cat');
 				//if ($usemenuhider || empty($leftmenu) || $leftmenu=="cat") $newmenu->add("/categories/list.php", $langs->trans("List"), 1, $user->rights->categorie->lire);
@@ -2015,15 +2015,15 @@ function get_left_menu_products($mainmenu, &$newmenu, $usemenuhider = 1, $leftme
 		}
 
 		// Services
-		if (!empty($conf->service->enabled)) {
+		if (isModEnabled('service')) {
 			$newmenu->add("/product/index.php?leftmenu=service&amp;type=1", $langs->trans("Services"), 0, $user->rights->service->lire, '', $mainmenu, 'service', 0, '', '', '', img_picto('', 'service', 'class="pictofixedwidth"'));
 			$newmenu->add("/product/card.php?leftmenu=service&amp;action=create&amp;type=1", $langs->trans("NewService"), 1, $user->rights->service->creer);
 			$newmenu->add("/product/list.php?leftmenu=service&amp;type=1", $langs->trans("List"), 1, $user->rights->service->lire);
-			if (!empty($conf->propal->enabled) || !empty($conf->commande->enabled) || !empty($conf->facture->enabled) || (!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_proposal->enabled) || !empty($conf->supplier_oder->enabled) || !empty($conf->supplier_invoice->enabled)) {
+			if (isModEnabled('propal') || isModEnabled('commande') || isModEnabled('facture') || (isModEnabled('fournisseur') && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled('supplier_proposal') || isModEnabled('supplier_order') || isModEnabled('supplier_invoice')) {
 				$newmenu->add("/product/stats/card.php?id=all&leftmenu=stats&type=1", $langs->trans("Statistics"), 1, $user->rights->service->lire);
 			}
 			// Categories
-			if (!empty($conf->categorie->enabled)) {
+			if (isModEnabled('categorie')) {
 				$langs->load("categories");
 				$newmenu->add("/categories/index.php?leftmenu=cat&amp;type=0", $langs->trans("Categories"), 1, $user->rights->categorie->lire, '', $mainmenu, 'cat');
 				//if ($usemenuhider || empty($leftmenu) || $leftmenu=="cat") $newmenu->add("/categories/list.php", $langs->trans("List"), 1, $user->rights->categorie->lire);
@@ -2057,7 +2057,7 @@ function get_left_menu_products($mainmenu, &$newmenu, $usemenuhider = 1, $leftme
 		}
 
 		// Inventory
-		if (!empty($conf->stock->enabled)) {
+		if (isModEnabled('stock')) {
 			$langs->load("stocks");
 			if (empty($conf->global->MAIN_USE_ADVANCED_PERMS)) {
 				$newmenu->add("/product/inventory/list.php?leftmenu=stock_inventories", $langs->trans("Inventories"), 0, $user->rights->stock->lire, '', $mainmenu, 'stock', 0, '', '', '', img_picto('', 'inventory', 'class="pictofixedwidth"'));
@@ -2075,7 +2075,7 @@ function get_left_menu_products($mainmenu, &$newmenu, $usemenuhider = 1, $leftme
 		}
 
 		// Shipments
-		if (!empty($conf->expedition->enabled)) {
+		if (isModEnabled('expedition')) {
 			$langs->load("sendings");
 			$newmenu->add("/expedition/index.php?leftmenu=sendings", $langs->trans("Shipments"), 0, $user->rights->expedition->lire, '', $mainmenu, 'sendings', 0, '', '', '', img_picto('', 'shipment', 'class="pictofixedwidth"'));
 			$newmenu->add("/expedition/card.php?action=create2&amp;leftmenu=sendings", $langs->trans("NewSending"), 1, $user->rights->expedition->creer);
@@ -2089,7 +2089,7 @@ function get_left_menu_products($mainmenu, &$newmenu, $usemenuhider = 1, $leftme
 		}
 
 		// Receptions
-		if (!empty($conf->reception->enabled)) {
+		if (isModEnabled('reception')) {
 			$langs->load("receptions");
 			$newmenu->add("/reception/index.php?leftmenu=receptions", $langs->trans("Receptions"), 0, $user->rights->reception->lire, '', $mainmenu, 'receptions', 0, '', '', '', img_picto('', 'dollyrevert', 'class="pictofixedwidth"'));
 			$newmenu->add("/reception/card.php?action=create2&amp;leftmenu=receptions", $langs->trans("NewReception"), 1, $user->rights->reception->creer);
@@ -2124,7 +2124,7 @@ function get_left_menu_mrp($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 
 	if ($mainmenu == 'mrp') {
 		// BOM
-		if (!empty($conf->bom->enabled) || !empty($conf->mrp->enabled)) {
+		if (isModEnabled('bom') || isModEnabled('mrp')) {
 			$langs->load("mrp");
 
 			$newmenu->add("", $langs->trans("MenuBOM"), 0, $user->rights->bom->read, '', $mainmenu, 'bom', 0, '', '', '', img_picto('', 'bom', 'class="paddingrightonly pictofixedwidth"'));
@@ -2132,7 +2132,7 @@ function get_left_menu_mrp($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 			$newmenu->add("/bom/bom_list.php?leftmenu=bom", $langs->trans("List"), 1, $user->rights->bom->read, '', $mainmenu, 'bom');
 		}
 
-		if (!empty($conf->mrp->enabled)) {
+		if (isModEnabled('mrp')) {
 			$langs->load("mrp");
 
 			$newmenu->add("", $langs->trans("MenuMRP"), 0, $user->rights->mrp->read, '', $mainmenu, 'mo', 0, '', '', '', img_picto('', 'mrp', 'class="paddingrightonly pictofixedwidth"'));
@@ -2157,13 +2157,13 @@ function get_left_menu_projects($mainmenu, &$newmenu, $usemenuhider = 1, $leftme
 	global $user, $conf, $langs;
 
 	if ($mainmenu == 'project') {
-		if (!empty($conf->projet->enabled)) {
+		if (isModEnabled('projet')) {
 			$langs->load("projects");
 
 			$search_project_user = GETPOST('search_project_user', 'int');
 
 			$tmpentry = array(
-				'enabled'=>(!empty($conf->projet->enabled)),
+				'enabled'=>(isModEnabled('projet')),
 				'perms'=>(!empty($user->rights->projet->lire)),
 				'module'=>'projet'
 			);
@@ -2198,7 +2198,7 @@ function get_left_menu_projects($mainmenu, &$newmenu, $usemenuhider = 1, $leftme
 			$newmenu->add("/projet/stats/index.php?leftmenu=projects", $langs->trans("Statistics"), 1, $user->rights->projet->lire);
 
 			// Categories
-			if (!empty($conf->categorie->enabled)) {
+			if (isModEnabled('categorie')) {
 				$langs->load("categories");
 				$newmenu->add("/categories/index.php?leftmenu=cat&amp;type=6", $langs->trans("Categories"), 1, $user->rights->categorie->lire, '', $mainmenu, 'cat');
 			}
@@ -2232,7 +2232,7 @@ function get_left_menu_hrm($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 
 	if ($mainmenu == 'hrm') {
 		// HRM module
-		if (!empty($conf->hrm->enabled)) {
+		if (isModEnabled('hrm')) {
 			$langs->load("hrm");
 
 			$newmenu->add("/user/list.php?mainmenu=hrm&leftmenu=hrm&mode=employee", $langs->trans("Employees"), 0, $user->rights->user->user->lire, '', $mainmenu, 'hrm', 0, '', '', '', img_picto('', 'user', 'class="pictofixedwidth"'));
@@ -2264,7 +2264,7 @@ function get_left_menu_hrm($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 		}
 
 		// Leave/Holiday/Vacation module
-		if (!empty($conf->holiday->enabled)) {
+		if (isModEnabled('holiday')) {
 			// Load translation files required by the page
 			$langs->loadLangs(array("holiday", "trips"));
 
@@ -2284,7 +2284,7 @@ function get_left_menu_hrm($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 		}
 
 		// Trips and expenses (old module)
-		if (!empty($conf->deplacement->enabled)) {
+		if (isModEnabled('deplacement')) {
 			$langs->load("trips");
 			$newmenu->add("/compta/deplacement/index.php?leftmenu=tripsandexpenses&amp;mainmenu=hrm", $langs->trans("TripsAndExpenses"), 0, $user->rights->deplacement->lire, '', $mainmenu, 'tripsandexpenses', 0, '', '', '', img_picto('', 'trip', 'class="pictofixedwidth"'));
 			$newmenu->add("/compta/deplacement/card.php?action=create&amp;leftmenu=tripsandexpenses&amp;mainmenu=hrm", $langs->trans("New"), 1, $user->rights->deplacement->creer);
@@ -2293,7 +2293,7 @@ function get_left_menu_hrm($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 		}
 
 		// Expense report
-		if (!empty($conf->expensereport->enabled)) {
+		if (isModEnabled('expensereport')) {
 			$langs->loadLangs(array("trips", "bills"));
 			$newmenu->add("/expensereport/index.php?leftmenu=expensereport&amp;mainmenu=hrm", $langs->trans("TripsAndExpenses"), 0, $user->rights->expensereport->lire, '', $mainmenu, 'expensereport', 0, '', '', '', img_picto('', 'trip', 'class="pictofixedwidth"'));
 			$newmenu->add("/expensereport/card.php?action=create&amp;leftmenu=expensereport&amp;mainmenu=hrm", $langs->trans("New"), 1, $user->rights->expensereport->creer);
@@ -2310,7 +2310,7 @@ function get_left_menu_hrm($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu =
 			$newmenu->add("/expensereport/stats/index.php?leftmenu=expensereport&amp;mainmenu=hrm", $langs->trans("Statistics"), 1, $user->rights->expensereport->lire);
 		}
 
-		if (!empty($conf->projet->enabled)) {
+		if (isModEnabled('projet')) {
 			if (empty($conf->global->PROJECT_HIDE_TASKS)) {
 				$langs->load("projects");
 
@@ -2343,20 +2343,20 @@ function get_left_menu_tools($mainmenu, &$newmenu, $usemenuhider = 1, $leftmenu
 			$newmenu->add("/admin/mails_templates.php?leftmenu=email_templates", $langs->trans("EMailTemplates"), 0, 1, '', $mainmenu, 'email_templates', 0, '', '', '', img_picto('', 'email', 'class="paddingright pictofixedwidth"'));
 		}
 
-		if (!empty($conf->mailing->enabled)) {
+		if (isModEnabled('mailing')) {
 			$newmenu->add("/comm/mailing/index.php?leftmenu=mailing", $langs->trans("EMailings"), 0, $user->rights->mailing->lire, '', $mainmenu, 'mailing', 0, '', '', '', img_picto('', 'email', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/comm/mailing/card.php?leftmenu=mailing&amp;action=create", $langs->trans("NewMailing"), 1, $user->rights->mailing->creer);
 			$newmenu->add("/comm/mailing/list.php?leftmenu=mailing", $langs->trans("List"), 1, $user->rights->mailing->lire);
 		}
 
-		if (!empty($conf->export->enabled)) {
+		if (isModEnabled('export')) {
 			$langs->load("exports");
 			$newmenu->add("/exports/index.php?leftmenu=export", $langs->trans("FormatedExport"), 0, $user->rights->export->lire, '', $mainmenu, 'export', 0, '', '', '', img_picto('', 'technic', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/exports/export.php?leftmenu=export", $langs->trans("NewExport"), 1, $user->rights->export->creer);
 			//$newmenu->add("/exports/export.php?leftmenu=export",$langs->trans("List"),1, $user->rights->export->lire);
 		}
 
-		if (!empty($conf->import->enabled)) {
+		if (isModEnabled('import')) {
 			$langs->load("exports");
 			$newmenu->add("/imports/index.php?leftmenu=import", $langs->trans("FormatedImport"), 0, $user->rights->import->run, '', $mainmenu, 'import', 0, '', '', '', img_picto('', 'technic', 'class="paddingright pictofixedwidth"'));
 			$newmenu->add("/imports/import.php?leftmenu=import", $langs->trans("NewImport"), 1, $user->rights->import->run);
@@ -2379,7 +2379,7 @@ function get_left_menu_members($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 	global $user, $conf, $langs;
 
 	if ($mainmenu == 'members') {
-		if (!empty($conf->adherent->enabled)) {
+		if (isModEnabled('adherent')) {
 			// Load translation files required by the page
 			$langs->loadLangs(array("members", "compta"));
 
@@ -2399,7 +2399,7 @@ function get_left_menu_members($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 				$newmenu->add("/adherents/htpasswd.php?leftmenu=export", $langs->trans("Filehtpasswd"), 1, $user->rights->adherent->export);
 			}
 
-			if (!empty($conf->categorie->enabled)) {
+			if (isModEnabled('categorie')) {
 				$langs->load("categories");
 				$newmenu->add("/categories/index.php?leftmenu=cat&amp;type=3", $langs->trans("Categories"), 1, $user->rights->categorie->lire, '', $mainmenu, 'cat');
 			}
@@ -2410,7 +2410,7 @@ function get_left_menu_members($mainmenu, &$newmenu, $usemenuhider = 1, $leftmen
 			$newmenu->add("/adherents/stats/index.php?leftmenu=members", $langs->trans("MenuMembersStats"), 1, $user->rights->adherent->lire);
 
 			//$newmenu->add("/adherents/index.php?leftmenu=export&amp;mainmenu=members",$langs->trans("Tools"),0,$user->rights->adherent->export, '', $mainmenu, 'export');
-			//if (! empty($conf->export->enabled) && ($usemenuhider || empty($leftmenu) || $leftmenu=="export")) $newmenu->add("/exports/index.php?leftmenu=export",$langs->trans("Datas"),1,$user->rights->adherent->export);
+			//if (isModEnabled('export') && ($usemenuhider || empty($leftmenu) || $leftmenu=="export")) $newmenu->add("/exports/index.php?leftmenu=export",$langs->trans("Datas"),1,$user->rights->adherent->export);
 
 			// Type
 			$newmenu->add("/adherents/type.php?leftmenu=setup&amp;mainmenu=members", $langs->trans("MembersTypes"), 0, $user->rights->adherent->configurer, '', $mainmenu, 'setup', 0, '', '', '', img_picto('', 'members', 'class="paddingright pictofixedwidth"'));
diff --git a/htdocs/core/modules/modCategorie.class.php b/htdocs/core/modules/modCategorie.class.php
index 9e138c6ccef..c9a28863c97 100644
--- a/htdocs/core/modules/modCategorie.class.php
+++ b/htdocs/core/modules/modCategorie.class.php
@@ -157,7 +157,7 @@ class modCategorie extends DolibarrModules
 		if (!empty($conf->stock->enabled)) {
 			$typeexample .= ($typeexample ? " / " : "")."9=Warehouse";
 		}
-		if (!empty($conf->agenda->enabled)) {
+		if (isModEnabled('agenda')) {
 			$typeexample .= ($typeexample ? " / " : "")."10=Agenda event";
 		}
 		if (!empty($conf->website->enabled)) {
diff --git a/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php b/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
index 69a7a3f6232..10b78673cf5 100644
--- a/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
+++ b/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
@@ -40,10 +40,10 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 if (!empty($conf->propal->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture-rec.class.php';
 }
 if (!empty($conf->commande->enabled)) {
@@ -64,7 +64,7 @@ if (!empty($conf->ficheinter->enabled)) {
 if (!empty($conf->deplacement->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/deplacement/class/deplacement.class.php';
 }
-if (!empty($conf->agenda->enabled)) {
+if (isModEnabled('agenda')) {
 	require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 }
 
diff --git a/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php b/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php
index fc83ab505d2..3702b1c8452 100644
--- a/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php
+++ b/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php
@@ -41,10 +41,10 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 if (!empty($conf->propal->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture-rec.class.php';
 }
 if (!empty($conf->commande->enabled)) {
@@ -65,7 +65,7 @@ if (!empty($conf->ficheinter->enabled)) {
 if (!empty($conf->deplacement->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/deplacement/class/deplacement.class.php';
 }
-if (!empty($conf->agenda->enabled)) {
+if (isModEnabled('agenda')) {
 	require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 }
 
diff --git a/htdocs/core/tpl/onlinepaymentlinks.tpl.php b/htdocs/core/tpl/onlinepaymentlinks.tpl.php
index 06d93e5ea5f..e40f360051e 100644
--- a/htdocs/core/tpl/onlinepaymentlinks.tpl.php
+++ b/htdocs/core/tpl/onlinepaymentlinks.tpl.php
@@ -52,7 +52,7 @@ if (!empty($conf->commande->enabled)) {
 	}
 	print '<br>';
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	print '<div id="invoice"></div>';
 	print img_picto('', 'globe').'  <span class="opacitymedium">'.$langs->trans("ToOfferALinkForOnlinePaymentOnInvoice", $servicename).':</span><br>';
 	print '<strong class="wordbreak">'.getOnlinePaymentUrl(1, 'invoice')."</strong><br>\n";
diff --git a/htdocs/core/triggers/interface_20_modWorkflow_WorkflowManager.class.php b/htdocs/core/triggers/interface_20_modWorkflow_WorkflowManager.class.php
index 1d46aec1008..8bd1e0d647d 100644
--- a/htdocs/core/triggers/interface_20_modWorkflow_WorkflowManager.class.php
+++ b/htdocs/core/triggers/interface_20_modWorkflow_WorkflowManager.class.php
@@ -91,7 +91,7 @@ class InterfaceWorkflowManager extends DolibarrTriggers
 		// Order to invoice
 		if ($action == 'ORDER_CLOSE') {
 			dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
-			if (!empty($conf->facture->enabled) && !empty($conf->global->WORKFLOW_ORDER_AUTOCREATE_INVOICE)) {
+			if (isModEnabled('facture') && !empty($conf->global->WORKFLOW_ORDER_AUTOCREATE_INVOICE)) {
 				include_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 				$newobject = new Facture($this->db);
 
diff --git a/htdocs/ecm/index_auto.php b/htdocs/ecm/index_auto.php
index 3b906883c00..51a3f7ced7b 100644
--- a/htdocs/ecm/index_auto.php
+++ b/htdocs/ecm/index_auto.php
@@ -325,7 +325,7 @@ if (!empty($conf->global->ECM_AUTO_TREE_ENABLED)) {
 	if (!empty($conf->commande->enabled)) {
 		$rowspan++; $sectionauto[] = array('position'=>50, 'level'=>1, 'module'=>'order', 'test'=>$conf->commande->enabled, 'label'=>$langs->trans("CustomersOrders"), 'desc'=>$langs->trans("ECMDocsBy", $langs->transnoentitiesnoconv("Orders")));
 	}
-	if (!empty($conf->facture->enabled)) {
+	if (isModEnabled('facture')) {
 		$rowspan++; $sectionauto[] = array('position'=>60, 'level'=>1, 'module'=>'invoice', 'test'=>$conf->facture->enabled, 'label'=>$langs->trans("CustomersInvoices"), 'desc'=>$langs->trans("ECMDocsBy", $langs->transnoentitiesnoconv("Invoices")));
 	}
 	if (!empty($conf->supplier_proposal->enabled)) {
diff --git a/htdocs/ecm/search.php b/htdocs/ecm/search.php
index 42b8efba42f..a6782317802 100644
--- a/htdocs/ecm/search.php
+++ b/htdocs/ecm/search.php
@@ -128,7 +128,7 @@ if (!empty($conf->contrat->enabled)) {
 if (!empty($conf->commande->enabled)) {
 	$rowspan++; $sectionauto[] = array('level'=>1, 'module'=>'order', 'test'=>$conf->commande->enabled, 'label'=>$langs->trans("CustomersOrders"), 'desc'=>$langs->trans("ECMDocsBy", $langs->transnoentitiesnoconv("Orders")));
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	$rowspan++; $sectionauto[] = array('level'=>1, 'module'=>'invoice', 'test'=>$conf->facture->enabled, 'label'=>$langs->trans("CustomersInvoices"), 'desc'=>$langs->trans("ECMDocsBy", $langs->transnoentitiesnoconv("Invoices")));
 }
 if (!empty($conf->supplier_proposal->enabled)) {
diff --git a/htdocs/eventorganization/conferenceorbooth_card.php b/htdocs/eventorganization/conferenceorbooth_card.php
index 0d14811ef67..0d5991bb0ac 100644
--- a/htdocs/eventorganization/conferenceorbooth_card.php
+++ b/htdocs/eventorganization/conferenceorbooth_card.php
@@ -299,7 +299,7 @@ if (!empty($withproject)) {
 	print '</td></tr>';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 		print $form->showCategories($projectstatic->id, Categorie::TYPE_PROJECT, 1);
 		print "</td></tr>";
diff --git a/htdocs/eventorganization/conferenceorbooth_contact.php b/htdocs/eventorganization/conferenceorbooth_contact.php
index 67cb2c659ee..da6c0f8ee04 100644
--- a/htdocs/eventorganization/conferenceorbooth_contact.php
+++ b/htdocs/eventorganization/conferenceorbooth_contact.php
@@ -282,7 +282,7 @@ if (!empty($withproject)) {
 	print '</td></tr>';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 		print $form->showCategories($projectstatic->id, Categorie::TYPE_PROJECT, 1);
 		print "</td></tr>";
diff --git a/htdocs/eventorganization/conferenceorbooth_document.php b/htdocs/eventorganization/conferenceorbooth_document.php
index 742585ffb16..739e6f81036 100644
--- a/htdocs/eventorganization/conferenceorbooth_document.php
+++ b/htdocs/eventorganization/conferenceorbooth_document.php
@@ -257,7 +257,7 @@ if (!empty($withproject)) {
 	print '</td></tr>';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 		print $form->showCategories($projectstatic->id, Categorie::TYPE_PROJECT, 1);
 		print "</td></tr>";
diff --git a/htdocs/eventorganization/conferenceorbooth_list.php b/htdocs/eventorganization/conferenceorbooth_list.php
index 6d42d881ab8..958d1ab897d 100644
--- a/htdocs/eventorganization/conferenceorbooth_list.php
+++ b/htdocs/eventorganization/conferenceorbooth_list.php
@@ -382,7 +382,7 @@ if ($projectid > 0) {
 	print '</td></tr>';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td class="titlefield valignmiddle">'.$langs->trans("Categories").'</td><td class="valuefield">';
 		print $form->showCategories($project->id, Categorie::TYPE_PROJECT, 1);
 		print "</td></tr>";
diff --git a/htdocs/eventorganization/conferenceorboothattendee_card.php b/htdocs/eventorganization/conferenceorboothattendee_card.php
index c60c0418d43..b02edfc4a34 100644
--- a/htdocs/eventorganization/conferenceorboothattendee_card.php
+++ b/htdocs/eventorganization/conferenceorboothattendee_card.php
@@ -327,7 +327,7 @@ if (!empty($withproject)) {
 	print '</td></tr>';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 		print $form->showCategories($projectstatic->id, 'project', 1);
 		print "</td></tr>";
diff --git a/htdocs/eventorganization/conferenceorboothattendee_list.php b/htdocs/eventorganization/conferenceorboothattendee_list.php
index 878b1baf992..972e546255f 100644
--- a/htdocs/eventorganization/conferenceorboothattendee_list.php
+++ b/htdocs/eventorganization/conferenceorboothattendee_list.php
@@ -32,7 +32,7 @@ require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/eventorganization/class/conferenceorbooth.class.php';
 require_once DOL_DOCUMENT_ROOT.'/eventorganization/lib/eventorganization_conferenceorbooth.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/eventorganization/class/conferenceorboothattendee.class.php';
-if ($conf->categorie->enabled) {
+if (isModEnabled('categorie')) {
 	require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 }
 
@@ -510,7 +510,7 @@ if ($projectstatic->id > 0 || $confOrBooth > 0) {
 		print '</td></tr>';
 
 		// Categories
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 			print $form->showCategories($projectstatic->id, 'project', 1);
 			print "</td></tr>";
diff --git a/htdocs/expedition/card.php b/htdocs/expedition/card.php
index d341f293827..af508cf3291 100644
--- a/htdocs/expedition/card.php
+++ b/htdocs/expedition/card.php
@@ -2477,7 +2477,7 @@ if ($action == 'create') {
 			// TODO add alternative status
 			// 0=draft, 1=validated, 2=billed, we miss a status "delivered" (only available on order)
 			if ($object->statut == Expedition::STATUS_CLOSED && $user->rights->expedition->creer) {
-				if (!empty($conf->facture->enabled) && !empty($conf->global->WORKFLOW_BILL_ON_SHIPMENT)) {  // Quand l'option est on, il faut avoir le bouton en plus et non en remplacement du Close ?
+				if (isModEnabled('facture') && !empty($conf->global->WORKFLOW_BILL_ON_SHIPMENT)) {  // Quand l'option est on, il faut avoir le bouton en plus et non en remplacement du Close ?
 					print dolGetButtonAction('', $langs->trans('ClassifyUnbilled'), 'default', $_SERVER["PHP_SELF"].'?action=reopen&token='.newToken().'&id='.$object->id, '');
 				} else {
 					print dolGetButtonAction('', $langs->trans('ReOpen'), 'default', $_SERVER["PHP_SELF"].'?action=reopen&token='.newToken().'&id='.$object->id, '');
@@ -2496,7 +2496,7 @@ if ($action == 'create') {
 			}
 
 			// Create bill
-			if (!empty($conf->facture->enabled) && ($object->statut == Expedition::STATUS_VALIDATED || $object->statut == Expedition::STATUS_CLOSED)) {
+			if (isModEnabled('facture') && ($object->statut == Expedition::STATUS_VALIDATED || $object->statut == Expedition::STATUS_CLOSED)) {
 				if ($user->rights->facture->creer) {
 					// TODO show button only   if (! empty($conf->global->WORKFLOW_BILL_ON_SHIPMENT))
 					// If we do that, we must also make this option official.
@@ -2514,7 +2514,7 @@ if ($action == 'create') {
 				if ($user->rights->expedition->creer && $object->statut > 0 && !$object->billed) {
 					$label = "Close"; $paramaction = 'classifyclosed'; // = Transferred/Received
 					// Label here should be "Close" or "ClassifyBilled" if we decided to make bill on shipments instead of orders
-					if (!empty($conf->facture->enabled) && !empty($conf->global->WORKFLOW_BILL_ON_SHIPMENT)) {  // Quand l'option est on, il faut avoir le bouton en plus et non en remplacement du Close ?
+					if (isModEnabled('facture') && !empty($conf->global->WORKFLOW_BILL_ON_SHIPMENT)) {  // Quand l'option est on, il faut avoir le bouton en plus et non en remplacement du Close ?
 						$label = "ClassifyBilled";
 						$paramaction = 'classifybilled';
 					}
diff --git a/htdocs/fichinter/card.php b/htdocs/fichinter/card.php
index 6e2bee75e6e..4b7686449c7 100644
--- a/htdocs/fichinter/card.php
+++ b/htdocs/fichinter/card.php
@@ -40,7 +40,7 @@ if (!empty($conf->projet->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 	require_once DOL_DOCUMENT_ROOT.'/core/class/html.formprojet.class.php';
 }
-if ($conf->contrat->enabled) {
+if (isModEnabled('contrat')) {
 	require_once DOL_DOCUMENT_ROOT."/core/class/html.formcontract.class.php";
 	require_once DOL_DOCUMENT_ROOT."/contrat/class/contrat.class.php";
 }
@@ -928,7 +928,7 @@ if ($action == 'create') {
 		}
 
 		// Contract
-		if ($conf->contrat->enabled) {
+		if (isModEnabled('contrat')) {
 			$langs->load("contracts");
 			print '<tr><td>'.$langs->trans("Contract").'</td><td>';
 			$numcontrat = $formcontract->select_contract($soc->id, GETPOST('contratid', 'int'), 'contratid', 0, 1, 1);
@@ -1659,7 +1659,7 @@ if ($action == 'create') {
 				}
 
 				// Invoicing
-				if (!empty($conf->facture->enabled) && $object->statut > Fichinter::STATUS_DRAFT) {
+				if (isModEnabled('facture') && $object->statut > Fichinter::STATUS_DRAFT) {
 					$langs->load("bills");
 					if ($object->statut < Fichinter::STATUS_BILLED) {
 						if ($user->rights->facture->creer) {
diff --git a/htdocs/fourn/card.php b/htdocs/fourn/card.php
index 8ad44d198a8..2d649589282 100644
--- a/htdocs/fourn/card.php
+++ b/htdocs/fourn/card.php
@@ -881,7 +881,7 @@ if ($object->id > 0) {
 		}
 
 		// Add action
-		if (!empty($conf->agenda->enabled) && !empty($conf->global->MAIN_REPEATTASKONEACHTAB) && $object->status == 1) {
+		if (isModEnabled('agenda') && !empty($conf->global->MAIN_REPEATTASKONEACHTAB) && $object->status == 1) {
 			if ($user->rights->agenda->myactions->create) {
 				print dolGetButtonAction('', $langs->trans('AddAction'), 'default', DOL_URL_ROOT.'/comm/action/card.php?action=create&amp;socid='.$object->id, '');
 			} else {
diff --git a/htdocs/fourn/commande/card.php b/htdocs/fourn/commande/card.php
index 6ab316edb56..0417554f8fd 100644
--- a/htdocs/fourn/commande/card.php
+++ b/htdocs/fourn/commande/card.php
@@ -2573,7 +2573,7 @@ if ($action == 'create') {
 			}
 
 			// Create bill
-			//if (! empty($conf->facture->enabled))
+			//if (isModEnabled('facture'))
 			//{
 			if (((!empty($conf->fournisseur->enabled) && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || !empty($conf->supplier_invoice->enabled)) && ($object->statut >= 2 && $object->statut != 7 && $object->billed != 1)) {  // statut 2 means approved, 7 means canceled
 				if ($user->rights->fournisseur->facture->creer || $user->rights->supplier_invoice->creer) {
@@ -2584,7 +2584,7 @@ if ($action == 'create') {
 
 			// Classify billed manually (need one invoice if module invoice is on, no condition on invoice if not)
 			if ($usercancreate && $object->statut >= 2 && $object->statut != 7 && $object->billed != 1) {  // statut 2 means approved
-				if (empty($conf->facture->enabled)) {
+				if (!isModEnabled('facture')) {
 					print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&action=classifybilled&token='.newToken().'">'.$langs->trans("ClassifyBilled").'</a>';
 				} else {
 					if (!empty($object->linkedObjectsIds['invoice_supplier'])) {
diff --git a/htdocs/fourn/commande/info.php b/htdocs/fourn/commande/info.php
index 6c64672ee84..728986f5a88 100644
--- a/htdocs/fourn/commande/info.php
+++ b/htdocs/fourn/commande/info.php
@@ -201,7 +201,7 @@ if ($permok) {
 
 print '<div class="tabsAction">';
 
-if (!empty($conf->agenda->enabled)) {
+if (isModEnabled('agenda')) {
 	if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 		print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?id='.$object->id).'">'.$langs->trans("AddAction").'</a>';
 	} else {
diff --git a/htdocs/hrm/evaluation_agenda.php b/htdocs/hrm/evaluation_agenda.php
index 87a09043a62..8d2d234dd43 100644
--- a/htdocs/hrm/evaluation_agenda.php
+++ b/htdocs/hrm/evaluation_agenda.php
@@ -198,7 +198,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -208,7 +208,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/hrm/index.php b/htdocs/hrm/index.php
index c573b78ed51..1160ee0fc14 100644
--- a/htdocs/hrm/index.php
+++ b/htdocs/hrm/index.php
@@ -343,11 +343,11 @@ if (!empty($conf->recruitment->enabled) && $user->rights->recruitment->recruitme
 	$sql.= " rp.rowid as jobid, rp.ref as jobref, rp.label";
 	$sql .= " FROM ".MAIN_DB_PREFIX."recruitment_recruitmentcandidature as rc";
 	$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."recruitment_recruitmentjobposition as rp ON rc.fk_recruitmentjobposition = rp.rowid";
-	if ($conf->societe->enabled && empty($user->rights->societe->client->voir) && !$socid) {
+	if (isModEnabled('societe') && empty($user->rights->societe->client->voir) && !$socid) {
 		$sql .= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
 	}
 	$sql .= " WHERE rc.entity IN (".getEntity($staticrecruitmentcandidature->element).")";
-	if ($conf->societe->enabled && empty($user->rights->societe->client->voir) && !$socid) {
+	if (isModEnabled('societe') && empty($user->rights->societe->client->voir) && !$socid) {
 		$sql .= " AND rp.fk_soc = sc.fk_soc AND sc.fk_user = ".((int) $user->id);
 	}
 	if ($socid) {
diff --git a/htdocs/hrm/job_agenda.php b/htdocs/hrm/job_agenda.php
index 0d966e67416..b8008f009ea 100644
--- a/htdocs/hrm/job_agenda.php
+++ b/htdocs/hrm/job_agenda.php
@@ -189,14 +189,14 @@ if ($object->id > 0) {
 	}
 
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			$newcardbutton = '';
 			$newcardbutton .= dolGetButtonTitle($langs->trans('AddAction'), '', 'fa fa-plus-circle', DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out);
 		}
 	}
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/hrm/position_agenda.php b/htdocs/hrm/position_agenda.php
index fda60a29259..24f2d9e32ef 100644
--- a/htdocs/hrm/position_agenda.php
+++ b/htdocs/hrm/position_agenda.php
@@ -197,7 +197,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -207,7 +207,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/hrm/skill_agenda.php b/htdocs/hrm/skill_agenda.php
index d73271a4f26..e1947741bde 100644
--- a/htdocs/hrm/skill_agenda.php
+++ b/htdocs/hrm/skill_agenda.php
@@ -191,7 +191,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -201,7 +201,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/index.php b/htdocs/index.php
index 5593eaffacf..08b818bac63 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -156,7 +156,7 @@ if (empty($conf->global->MAIN_DISABLE_GLOBAL_WORKBOARD)) {
 	require_once DOL_DOCUMENT_ROOT.'/core/class/workboardresponse.class.php';
 
 	// Number of actions to do (late)
-	if (!empty($conf->agenda->enabled) && empty($conf->global->MAIN_DISABLE_BLOCK_AGENDA) && $user->rights->agenda->myactions->read) {
+	if (isModEnabled('agenda') && empty($conf->global->MAIN_DISABLE_BLOCK_AGENDA) && $user->rights->agenda->myactions->read) {
 		include_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 		$board = new ActionComm($db);
 		$dashboardlines[$board->element] = $board->load_board($user);
@@ -229,7 +229,7 @@ if (empty($conf->global->MAIN_DISABLE_GLOBAL_WORKBOARD)) {
 	}
 
 	// Number of invoices customers (paid)
-	if (!empty($conf->facture->enabled) && empty($conf->global->MAIN_DISABLE_BLOCK_CUSTOMER) && $user->rights->facture->lire) {
+	if (isModEnabled('facture') && empty($conf->global->MAIN_DISABLE_BLOCK_CUSTOMER) && $user->rights->facture->lire) {
 		include_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 		$board = new Facture($db);
 		$dashboardlines[$board->element] = $board->load_board($user);
diff --git a/htdocs/install/upgrade2.php b/htdocs/install/upgrade2.php
index 4a9705c8ae7..30e7b45d198 100644
--- a/htdocs/install/upgrade2.php
+++ b/htdocs/install/upgrade2.php
@@ -2011,7 +2011,7 @@ function migrate_modeles($db, $langs, $conf)
 
 	dolibarr_install_syslog("upgrade2::migrate_modeles");
 
-	if (!empty($conf->facture->enabled)) {
+	if (isModEnabled('facture')) {
 		include_once DOL_DOCUMENT_ROOT.'/core/modules/facture/modules_facture.php';
 		$modellist = ModelePDFFactures::liste_modeles($db);
 		if (count($modellist) == 0) {
diff --git a/htdocs/knowledgemanagement/knowledgerecord_agenda.php b/htdocs/knowledgemanagement/knowledgerecord_agenda.php
index 81750e720c7..003faa326d5 100644
--- a/htdocs/knowledgemanagement/knowledgerecord_agenda.php
+++ b/htdocs/knowledgemanagement/knowledgerecord_agenda.php
@@ -218,7 +218,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -228,7 +228,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/knowledgemanagement/knowledgerecord_card.php b/htdocs/knowledgemanagement/knowledgerecord_card.php
index 0c7ed519042..e9c58bf31a4 100644
--- a/htdocs/knowledgemanagement/knowledgerecord_card.php
+++ b/htdocs/knowledgemanagement/knowledgerecord_card.php
@@ -411,7 +411,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 	include DOL_DOCUMENT_ROOT.'/core/tpl/commonfields_view.tpl.php';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td colspan="3">';
 		print $form->showCategories($object->id, Categorie::TYPE_KNOWLEDGEMANAGEMENT, 1);
 		print "</td></tr>";
diff --git a/htdocs/loan/class/loan.class.php b/htdocs/loan/class/loan.class.php
index 37ab6194da5..e6f560d7a42 100644
--- a/htdocs/loan/class/loan.class.php
+++ b/htdocs/loan/class/loan.class.php
@@ -224,15 +224,15 @@ class Loan extends CommonObject
 			$this->error = "ErrorBadParameter";
 			return -2;
 		}
-		if (($conf->accounting->enabled) && empty($this->account_capital)) {
+		if (isModEnabled('accounting') && empty($this->account_capital)) {
 			$this->error = $langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("LoanAccountancyCapitalCode"));
 			return -2;
 		}
-		if (($conf->accounting->enabled) && empty($this->account_insurance)) {
+		if (isModEnabled('accounting') && empty($this->account_insurance)) {
 			$this->error = $langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("LoanAccountancyInsuranceCode"));
 			return -2;
 		}
-		if (($conf->accounting->enabled) && empty($this->account_interest)) {
+		if (isModEnabled('accounting') && empty($this->account_interest)) {
 			$this->error = $langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("LoanAccountancyInterestCode"));
 			return -2;
 		}
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index c5ef90a0ecd..076ab0dbc6a 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -376,7 +376,7 @@ if (!empty($conf->global->MAIN_ONLY_LOGIN_ALLOWED)) {
 register_shutdown_function('dol_shutdown');
 
 // Load debugbar
-if (!empty($conf->debugbar->enabled) && !GETPOST('dol_use_jmobile') && empty($_SESSION['dol_use_jmobile'])) {
+if (isModEnabled('debugbar') && !GETPOST('dol_use_jmobile') && empty($_SESSION['dol_use_jmobile'])) {
 	global $debugbar;
 	include_once DOL_DOCUMENT_ROOT.'/debugbar/class/DebugBar.php';
 	$debugbar = new DolibarrDebugBar();
@@ -1752,7 +1752,7 @@ function top_htmlhead($head, $title = '', $disablejs = 0, $disablehead = 0, $arr
 
 		if (!$disablejs && !empty($conf->use_javascript_ajax)) {
 			// CKEditor
-			if (empty($disableforlogin) && (!empty($conf->fckeditor->enabled) && (empty($conf->global->FCKEDITOR_EDITORNAME) || $conf->global->FCKEDITOR_EDITORNAME == 'ckeditor') && !defined('DISABLE_CKEDITOR')) || defined('FORCE_CKEDITOR')) {
+			if (empty($disableforlogin) && (isModEnabled('fckeditor') && (empty($conf->global->FCKEDITOR_EDITORNAME) || $conf->global->FCKEDITOR_EDITORNAME == 'ckeditor') && !defined('DISABLE_CKEDITOR')) || defined('FORCE_CKEDITOR')) {
 				print '<!-- Includes JS for CKEditor -->'."\n";
 				$pathckeditor = DOL_URL_ROOT.'/includes/ckeditor/ckeditor/';
 				$jsckeditor = 'ckeditor.js';
@@ -1780,7 +1780,7 @@ function top_htmlhead($head, $title = '', $disablejs = 0, $disablehead = 0, $arr
 			// Browser notifications (if NOREQUIREMENU is on, it is mostly a page for popup, so we do not enable notif too. We hide also for public pages).
 			if (!defined('NOBROWSERNOTIF') && !defined('NOREQUIREMENU') && !defined('NOLOGIN')) {
 				$enablebrowsernotif = false;
-				if (!empty($conf->agenda->enabled) && !empty($conf->global->AGENDA_REMINDER_BROWSER)) {
+				if (isModEnabled('agenda') && !empty($conf->global->AGENDA_REMINDER_BROWSER)) {
 					$enablebrowsernotif = true;
 				}
 				if ($conf->browser->layout == 'phone') {
@@ -1959,7 +1959,7 @@ function top_menu($head, $title = '', $target = '', $disablejs = 0, $disablehead
 		}
 
 		// Link to module builder
-		if (!empty($conf->modulebuilder->enabled)) {
+		if (isModEnabled('modulebuilder')) {
 			$text = '<a href="'.DOL_URL_ROOT.'/modulebuilder/index.php?mainmenu=home&leftmenu=admintools" target="modulebuilder">';
 			//$text.= img_picto(":".$langs->trans("ModuleBuilder"), 'printer_top.png', 'class="printer"');
 			$text .= '<span class="fa fa-bug atoplogin valignmiddle"></span>';
@@ -2445,7 +2445,7 @@ function printDropdownQuickadd()
 				"title" => "NewBill@bills",
 				"name" => "Bill@bills",
 				"picto" => "object_bill",
-				"activation" => !empty($conf->facture->enabled) && $user->rights->facture->creer, // vs hooking
+				"activation" => isModEnabled('facture') && $user->rights->facture->creer, // vs hooking
 				"position" => 50,
 			),
 			array(
diff --git a/htdocs/modulebuilder/admin/setup.php b/htdocs/modulebuilder/admin/setup.php
index e7c42578bd6..08791b8324a 100644
--- a/htdocs/modulebuilder/admin/setup.php
+++ b/htdocs/modulebuilder/admin/setup.php
@@ -26,7 +26,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 global $conf, $langs, $user, $db;
 $langs->loadLangs(array("admin", "other", "modulebuilder"));
 
-if (!$user->admin || empty($conf->modulebuilder->enabled)) {
+if (!$user->admin || !isModEnabled('modulebuilder')) {
 	accessforbidden();
 }
 
diff --git a/htdocs/modulebuilder/index.php b/htdocs/modulebuilder/index.php
index 10a040ca7e5..68aa224423c 100644
--- a/htdocs/modulebuilder/index.php
+++ b/htdocs/modulebuilder/index.php
@@ -73,7 +73,7 @@ $objectname = dol_sanitizeFileName(GETPOST('objectname', 'alpha'));
 $dicname = dol_sanitizeFileName(GETPOST('dicname', 'alpha'));
 
 // Security check
-if (empty($conf->modulebuilder->enabled)) {
+if (!isModEnabled('modulebuilder')) {
 	accessforbidden();
 }
 if (!$user->admin && empty($conf->global->MODULEBUILDER_FOREVERYONE)) {
diff --git a/htdocs/modulebuilder/template/myobject_agenda.php b/htdocs/modulebuilder/template/myobject_agenda.php
index b40092f93a7..164af332ed8 100644
--- a/htdocs/modulebuilder/template/myobject_agenda.php
+++ b/htdocs/modulebuilder/template/myobject_agenda.php
@@ -279,7 +279,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -289,7 +289,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/mrp/mo_agenda.php b/htdocs/mrp/mo_agenda.php
index e1b19d87ad0..3317ddcfd43 100644
--- a/htdocs/mrp/mo_agenda.php
+++ b/htdocs/mrp/mo_agenda.php
@@ -218,7 +218,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -228,7 +228,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/partnership/partnership_agenda.php b/htdocs/partnership/partnership_agenda.php
index 4c68a83d4e2..9930093e6be 100644
--- a/htdocs/partnership/partnership_agenda.php
+++ b/htdocs/partnership/partnership_agenda.php
@@ -218,7 +218,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -228,7 +228,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/product/agenda.php b/htdocs/product/agenda.php
index b595bd3b9cb..8ec76640871 100644
--- a/htdocs/product/agenda.php
+++ b/htdocs/product/agenda.php
@@ -187,7 +187,7 @@ if ($id > 0 || $ref) {
 
 	$out = '';
 	$morehtmlcenter = '';
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		$permok = $user->rights->agenda->myactions->create;
 		if ((!empty($objproduct->id) || !empty($objcon->id)) && $permok) {
 			if (get_class($objproduct) == 'Product') {
@@ -200,7 +200,7 @@ if ($id > 0 || $ref) {
 		$morehtmlcenter = dolGetButtonTitle($langs->trans('AddAction'), '', 'fa fa-plus-circle', DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out, '', $linktocreatetimeBtnStatus);
 	}
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		print '<br>';
 
 		$param = '&id='.$id;
diff --git a/htdocs/product/card.php b/htdocs/product/card.php
index 3b8b19a335c..a1b450f7a0c 100644
--- a/htdocs/product/card.php
+++ b/htdocs/product/card.php
@@ -56,7 +56,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/modules/product/modules_product.class.php'
 if (!empty($conf->propal->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 }
 if (!empty($conf->commande->enabled)) {
@@ -76,7 +76,7 @@ $langs->loadLangs(array('products', 'other'));
 if (!empty($conf->stock->enabled)) {
 	$langs->load("stocks");
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	$langs->load("bills");
 }
 if (!empty($conf->productbatch->enabled)) {
@@ -2127,7 +2127,7 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 			}
 
 			// Tags-Categories
-			if ($conf->categorie->enabled) {
+			if (isModEnabled('categorie')) {
 				print '<tr><td>'.$langs->trans("Categories").'</td><td>';
 				$cate_arbo = $form->select_all_categories(Categorie::TYPE_PRODUCT, '', 'parent', 64, 0, 1);
 				$c = new Categorie($db);
@@ -2632,7 +2632,7 @@ if (is_object($objcanvas) && $objcanvas->displayCanvasExists($action)) {
 			include DOL_DOCUMENT_ROOT.'/core/tpl/extrafields_view.tpl.php';
 
 			// Categories
-			if ($conf->categorie->enabled) {
+			if (isModEnabled('categorie')) {
 				print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 				print $form->showCategories($object->id, Categorie::TYPE_PRODUCT, 1);
 				print "</td></tr>";
@@ -2814,7 +2814,7 @@ if (!empty($conf->global->PRODUCT_ADD_FORM_ADD_TO) && $object->id && ($action ==
 	}
 
 	// Factures
-	if (!empty($conf->facture->enabled) && $user->rights->facture->creer) {
+	if (isModEnabled('facture') && $user->rights->facture->creer) {
 		$invoice = new Facture($db);
 
 		$langs->load("bills");
diff --git a/htdocs/product/stats/card.php b/htdocs/product/stats/card.php
index 8d9188f1965..b77997fcfc7 100644
--- a/htdocs/product/stats/card.php
+++ b/htdocs/product/stats/card.php
@@ -206,7 +206,7 @@ if ($result || !($id > 0)) {
 		print '</td></tr>';
 
 		// Tag
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			print '<tr><td class="titlefield">'.$langs->trans("Categories").'</td><td>';
 			$moreforfilter .= img_picto($langs->trans("Categories"), 'category', 'class="pictofixedwidth"');
 			$moreforfilter .= $htmlother->select_categories(Categorie::TYPE_PRODUCT, $search_categ, 'search_categ', 1, 1, 'widthcentpercentminusx maxwidth400');
@@ -303,49 +303,49 @@ if ($result || !($id > 0)) {
 		}
 	}
 
-	if ($conf->propal->enabled) {
+	if (isModEnabled('propal')) {
 		$graphfiles['propal'] = array('modulepart'=>'productstats_proposals',
 		'file' => $object->id.'/propal12m'.((string) $type != '' ? '_type'.$type : '').'_'.$mode.($search_year > 0 ? '_year'.$search_year : '').'.png',
 		'label' => ($mode == 'byunit' ? $langs->transnoentitiesnoconv("NumberOfUnitsProposals") : $langs->transnoentitiesnoconv("NumberOfProposals")));
 	}
 
-	if ($conf->supplier_proposal->enabled) {
+	if (isModEnabled('supplier_proposal')) {
 		$graphfiles['proposalssuppliers'] = array('modulepart'=>'productstats_proposalssuppliers',
 		'file' => $object->id.'/proposalssuppliers12m'.((string) $type != '' ? '_type'.$type : '').'_'.$mode.($search_year > 0 ? '_year'.$search_year : '').'.png',
 		'label' => ($mode == 'byunit' ? $langs->transnoentitiesnoconv("NumberOfUnitsSupplierProposals") : $langs->transnoentitiesnoconv("NumberOfSupplierProposals")));
 	}
 
-	if ($conf->order->enabled) {
+	if (isModEnabled('order')) {
 		$graphfiles['orders'] = array('modulepart'=>'productstats_orders',
 		'file' => $object->id.'/orders12m'.((string) $type != '' ? '_type'.$type : '').'_'.$mode.($search_year > 0 ? '_year'.$search_year : '').'.png',
 		'label' => ($mode == 'byunit' ? $langs->transnoentitiesnoconv("NumberOfUnitsCustomerOrders") : $langs->transnoentitiesnoconv("NumberOfCustomerOrders")));
 	}
 
-	if ($conf->supplier_order->enabled) {
+	if (isModEnabled('supplier_order')) {
 		$graphfiles['orderssuppliers'] = array('modulepart'=>'productstats_orderssuppliers',
 		'file' => $object->id.'/orderssuppliers12m'.((string) $type != '' ? '_type'.$type : '').'_'.$mode.($search_year > 0 ? '_year'.$search_year : '').'.png',
 		'label' => ($mode == 'byunit' ? $langs->transnoentitiesnoconv("NumberOfUnitsSupplierOrders") : $langs->transnoentitiesnoconv("NumberOfSupplierOrders")));
 	}
 
-	if ($conf->facture->enabled) {
+	if (isModEnabled('facture')) {
 		$graphfiles['invoices'] = array('modulepart'=>'productstats_invoices',
 		'file' => $object->id.'/invoices12m'.((string) $type != '' ? '_type'.$type : '').'_'.$mode.($search_year > 0 ? '_year'.$search_year : '').'.png',
 		'label' => ($mode == 'byunit' ? $langs->transnoentitiesnoconv("NumberOfUnitsCustomerInvoices") : $langs->transnoentitiesnoconv("NumberOfCustomerInvoices")));
 	}
 
-	if ($conf->supplier_invoice->enabled) {
+	if (isModEnabled('supplier_invoice')) {
 		$graphfiles['invoicessuppliers'] = array('modulepart'=>'productstats_invoicessuppliers',
 		'file' => $object->id.'/invoicessuppliers12m'.((string) $type != '' ? '_type'.$type : '').'_'.$mode.($search_year > 0 ? '_year'.$search_year : '').'.png',
 		'label' => ($mode == 'byunit' ? $langs->transnoentitiesnoconv("NumberOfUnitsSupplierInvoices") : $langs->transnoentitiesnoconv("NumberOfSupplierInvoices")));
 	}
 
-	if ($conf->contrat->enabled) {
+	if (isModEnabled('contrat')) {
 		$graphfiles['contracts'] = array('modulepart'=>'productstats_contracts',
 			'file' => $object->id.'/contracts12m'.((string) $type != '' ? '_type'.$type : '').'_'.$mode.($search_year > 0 ? '_year'.$search_year : '').'.png',
 			'label' => ($mode == 'byunit' ? $langs->transnoentitiesnoconv("NumberOfUnitsContracts") : $langs->transnoentitiesnoconv("NumberOfContracts")));
 	}
 
-	if ($conf->mrp->enabled) {
+	if (isModEnabled('mrp')) {
 		$graphfiles['mrp'] = array('modulepart'=>'productstats_mrp',
 			'file' => $object->id.'/mos12m'.((string) $type != '' ? '_type'.$type : '').'_'.$mode.($search_year > 0 ? '_year'.$search_year : '').'.png',
 			'label' => ($mode == 'byunit' ? $langs->transnoentitiesnoconv("NumberOfUnitsMos") : $langs->transnoentitiesnoconv("NumberOfMos")));
diff --git a/htdocs/product/stock/card.php b/htdocs/product/stock/card.php
index 252763ef43b..2b8ee3db6a4 100644
--- a/htdocs/product/stock/card.php
+++ b/htdocs/product/stock/card.php
@@ -545,7 +545,7 @@ if ($action == 'create') {
 			include DOL_DOCUMENT_ROOT.'/core/tpl/extrafields_view.tpl.php';
 
 			// Categories
-			if ($conf->categorie->enabled) {
+			if (isModEnabled('categorie')) {
 				print '<tr><td valign="middle">'.$langs->trans("Categories").'</td><td colspan="3">';
 				print $form->showCategories($object->id, Categorie::TYPE_WAREHOUSE, 1);
 				print "</td></tr>";
@@ -919,7 +919,7 @@ if ($action == 'create') {
 			}
 
 			// Tags-Categories
-			if ($conf->categorie->enabled) {
+			if (isModEnabled('categorie')) {
 				print '<tr><td class="tdtop">'.$langs->trans("Categories").'</td><td colspan="3">';
 				$cate_arbo = $form->select_all_categories(Categorie::TYPE_WAREHOUSE, '', 'parent', 64, 0, 1);
 				$c = new Categorie($db);
diff --git a/htdocs/product/stock/movement_list.php b/htdocs/product/stock/movement_list.php
index 2ad77fca49e..775e07d6118 100644
--- a/htdocs/product/stock/movement_list.php
+++ b/htdocs/product/stock/movement_list.php
@@ -903,7 +903,7 @@ if ($object->id > 0) {
 	include DOL_DOCUMENT_ROOT.'/core/tpl/extrafields_view.tpl.php';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td valign="middle">'.$langs->trans("Categories").'</td><td colspan="3">';
 		print $form->showCategories($object->id, Categorie::TYPE_WAREHOUSE, 1);
 		print "</td></tr>";
diff --git a/htdocs/product/stock/stocktransfer/stocktransfer_agenda.php b/htdocs/product/stock/stocktransfer/stocktransfer_agenda.php
index f649e46cc27..6523d66552f 100644
--- a/htdocs/product/stock/stocktransfer/stocktransfer_agenda.php
+++ b/htdocs/product/stock/stocktransfer/stocktransfer_agenda.php
@@ -214,7 +214,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -224,7 +224,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) $param .= '&contextpage='.urlencode($contextpage);
 		if ($limit > 0 && $limit != $conf->liste_limit) $param .= '&limit='.urlencode($limit);
diff --git a/htdocs/product/stock/stocktransfer/stocktransfer_card.php b/htdocs/product/stock/stocktransfer/stocktransfer_card.php
index 0c97674191e..2a61d44eb9e 100644
--- a/htdocs/product/stock/stocktransfer/stocktransfer_card.php
+++ b/htdocs/product/stock/stocktransfer/stocktransfer_card.php
@@ -592,7 +592,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 	$morehtmlref = '<div class="refidno">';
 
 	// Thirdparty
-	if ($conf->societe->enabled) {
+	if (isModEnabled('societe')) {
 		$morehtmlref .= $langs->trans('ThirdParty') . ' : ' . (is_object($object->thirdparty) ? $object->thirdparty->getNomUrl(1) : '').'<br>';
 	}
 	// Project
diff --git a/htdocs/projet/card.php b/htdocs/projet/card.php
index 4f7cb3ce7a0..813dccf8a73 100644
--- a/htdocs/projet/card.php
+++ b/htdocs/projet/card.php
@@ -602,7 +602,7 @@ if ($action == 'create' && $user->rights->projet->creer) {
 	}
 
 	// Thirdparty
-	if ($conf->societe->enabled) {
+	if (isModEnabled('societe')) {
 		print '<tr><td>';
 		print (empty($conf->global->PROJECT_THIRDPARTY_REQUIRED) ? '' : '<span class="fieldrequired">');
 		print $langs->trans("ThirdParty");
@@ -898,7 +898,7 @@ if ($action == 'create' && $user->rights->projet->creer) {
 		print '</td></tr>';
 
 		// Thirdparty
-		if ($conf->societe->enabled) {
+		if (isModEnabled('societe')) {
 			print '<tr><td>';
 			print (empty($conf->global->PROJECT_THIRDPARTY_REQUIRED) ? '' : '<span class="fieldrequired">');
 			print $langs->trans("ThirdParty");
@@ -1001,7 +1001,7 @@ if ($action == 'create' && $user->rights->projet->creer) {
 		print '</td></tr>';
 
 		// Tags-Categories
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			print '<tr><td>'.$langs->trans("Categories").'</td><td>';
 			$cate_arbo = $form->select_all_categories(Categorie::TYPE_PROJECT, '', 'parent', 64, 0, 1);
 			$c = new Categorie($db);
@@ -1170,7 +1170,7 @@ if ($action == 'create' && $user->rights->projet->creer) {
 		print '</td></tr>';
 
 		// Categories
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 			print $form->showCategories($object->id, Categorie::TYPE_PROJECT, 1);
 			print "</td></tr>";
@@ -1326,7 +1326,7 @@ if ($action == 'create' && $user->rights->projet->creer) {
 					$langs->load("orders");
 					print dolGetButtonAction('', $langs->trans('CreateOrder'), 'default', DOL_URL_ROOT.'/commande/card.php?action=create&amp;projectid='.$object->id.'&amp;socid='.$object->socid, '');
 				}
-				if (!empty($conf->facture->enabled) && $user->rights->facture->creer) {
+				if (isModEnabled('facture') && $user->rights->facture->creer) {
 					$langs->load("bills");
 					print dolGetButtonAction('', $langs->trans('CreateBill'), 'default', DOL_URL_ROOT.'/compta/facture/card.php?action=create&amp;projectid='.$object->id.'&amp;socid='.$object->socid, '');
 				}
diff --git a/htdocs/projet/comment.php b/htdocs/projet/comment.php
index 3bea4b5db03..997f45a39d0 100644
--- a/htdocs/projet/comment.php
+++ b/htdocs/projet/comment.php
@@ -167,7 +167,7 @@ print nl2br($object->description);
 print '</td></tr>';
 
 // Categories
-if ($conf->categorie->enabled) {
+if (isModEnabled('categorie')) {
 	print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 	print $form->showCategories($object->id, Categorie::TYPE_PROJECT, 1);
 	print "</td></tr>";
diff --git a/htdocs/projet/contact.php b/htdocs/projet/contact.php
index 3230c325039..be130572704 100644
--- a/htdocs/projet/contact.php
+++ b/htdocs/projet/contact.php
@@ -28,7 +28,7 @@ require_once DOL_DOCUMENT_ROOT.'/projet/class/task.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
-if ($conf->categorie->enabled) {
+if (isModEnabled('categorie')) {
 	require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 }
 
@@ -421,7 +421,7 @@ if ($id > 0 || !empty($ref)) {
 	print '</td></tr>';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 		print $form->showCategories($object->id, Categorie::TYPE_PROJECT, 1);
 		print "</td></tr>";
diff --git a/htdocs/projet/element.php b/htdocs/projet/element.php
index caad4374da0..fb4011ada8c 100644
--- a/htdocs/projet/element.php
+++ b/htdocs/projet/element.php
@@ -42,7 +42,7 @@ if (!empty($conf->stock->enabled)) {
 if (!empty($conf->propal->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 }
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 	require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture-rec.class.php';
 }
@@ -73,7 +73,7 @@ if (!empty($conf->deplacement->enabled)) {
 if (!empty($conf->expensereport->enabled)) {
 	require_once DOL_DOCUMENT_ROOT.'/expensereport/class/expensereport.class.php';
 }
-if (!empty($conf->agenda->enabled)) {
+if (isModEnabled('agenda')) {
 	require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 }
 if (!empty($conf->don->enabled)) {
@@ -104,7 +104,7 @@ if (!empty($conf->mrp->enabled)) {
 
 // Load translation files required by the page
 $langs->loadLangs(array('projects', 'companies', 'suppliers', 'compta'));
-if (!empty($conf->facture->enabled)) {
+if (isModEnabled('facture')) {
 	$langs->load("bills");
 }
 if (!empty($conf->commande->enabled)) {
@@ -343,7 +343,7 @@ print nl2br($object->description);
 print '</td></tr>';
 
 // Categories
-if ($conf->categorie->enabled) {
+if (isModEnabled('categorie')) {
 	print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 	print $form->showCategories($object->id, Categorie::TYPE_PROJECT, 1);
 	print "</td></tr>";
diff --git a/htdocs/projet/ganttview.php b/htdocs/projet/ganttview.php
index c0dd96537a6..dda13754d31 100644
--- a/htdocs/projet/ganttview.php
+++ b/htdocs/projet/ganttview.php
@@ -216,7 +216,7 @@ if (($id > 0 && is_numeric($id)) || !empty($ref)) {
 	print '</td></tr>';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 		print $form->showCategories($object->id, Categorie::TYPE_PROJECT, 1);
 		print "</td></tr>";
diff --git a/htdocs/projet/info.php b/htdocs/projet/info.php
index 9b0544bccf6..19897bf2859 100644
--- a/htdocs/projet/info.php
+++ b/htdocs/projet/info.php
@@ -167,7 +167,7 @@ if ($permok) {
 
 //print '<div class="tabsAction">';
 $morehtmlcenter = '';
-if (!empty($conf->agenda->enabled)) {
+if (isModEnabled('agenda')) {
 	$addActionBtnRight = !empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create);
 	$morehtmlcenter .= dolGetButtonTitle($langs->trans('AddAction'), '', 'fa fa-plus-circle', DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'&socid='.$object->socid.'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?id='.$object->id), '', $addActionBtnRight);
 }
diff --git a/htdocs/projet/tasks.php b/htdocs/projet/tasks.php
index c08880e44ea..410b637f3e6 100644
--- a/htdocs/projet/tasks.php
+++ b/htdocs/projet/tasks.php
@@ -648,7 +648,7 @@ if ($id > 0 || !empty($ref)) {
 	print '</td></tr>';
 
 	// Categories
-	if ($conf->categorie->enabled) {
+	if (isModEnabled('categorie')) {
 		print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 		print $form->showCategories($object->id, Categorie::TYPE_PROJECT, 1);
 		print "</td></tr>";
diff --git a/htdocs/projet/tasks/comment.php b/htdocs/projet/tasks/comment.php
index e2686ded9f2..82628d5136b 100644
--- a/htdocs/projet/tasks/comment.php
+++ b/htdocs/projet/tasks/comment.php
@@ -258,7 +258,7 @@ if ($id > 0 || !empty($ref)) {
 			print '</td></tr>';
 
 			// Categories
-			if ($conf->categorie->enabled) {
+			if (isModEnabled('categorie')) {
 				print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 				print $form->showCategories($projectstatic->id, 'project', 1);
 				print "</td></tr>";
diff --git a/htdocs/projet/tasks/contact.php b/htdocs/projet/tasks/contact.php
index 327d8783256..9718a0ffccb 100644
--- a/htdocs/projet/tasks/contact.php
+++ b/htdocs/projet/tasks/contact.php
@@ -289,7 +289,7 @@ if ($id > 0 || !empty($ref)) {
 			print '</td></tr>';
 
 			// Categories
-			if ($conf->categorie->enabled) {
+			if (isModEnabled('categorie')) {
 				print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 				print $form->showCategories($projectstatic->id, 'project', 1);
 				print "</td></tr>";
diff --git a/htdocs/projet/tasks/document.php b/htdocs/projet/tasks/document.php
index 0e520989d8c..bd696e90434 100644
--- a/htdocs/projet/tasks/document.php
+++ b/htdocs/projet/tasks/document.php
@@ -245,7 +245,7 @@ if ($object->id > 0) {
 		print '</td></tr>';
 
 		// Categories
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 			print $form->showCategories($projectstatic->id, 'project', 1);
 			print "</td></tr>";
diff --git a/htdocs/projet/tasks/note.php b/htdocs/projet/tasks/note.php
index 652b195afd4..206a92afb36 100644
--- a/htdocs/projet/tasks/note.php
+++ b/htdocs/projet/tasks/note.php
@@ -235,7 +235,7 @@ if ($object->id > 0) {
 		print '</td></tr>';
 
 		// Categories
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 			print $form->showCategories($projectstatic->id, 'project', 1);
 			print "</td></tr>";
diff --git a/htdocs/projet/tasks/task.php b/htdocs/projet/tasks/task.php
index 9fce4072183..5b0f097d22f 100644
--- a/htdocs/projet/tasks/task.php
+++ b/htdocs/projet/tasks/task.php
@@ -333,7 +333,7 @@ if ($id > 0 || !empty($ref)) {
 		print '</td></tr>';
 
 		// Categories
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 			print $form->showCategories($projectstatic->id, 'project', 1);
 			print "</td></tr>";
diff --git a/htdocs/projet/tasks/time.php b/htdocs/projet/tasks/time.php
index 4c7a65c9d54..f47eb2a49d3 100644
--- a/htdocs/projet/tasks/time.php
+++ b/htdocs/projet/tasks/time.php
@@ -869,7 +869,7 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 			print '</td></tr>';
 
 			// Categories
-			if ($conf->categorie->enabled) {
+			if (isModEnabled('categorie')) {
 				print '<tr><td class="valignmiddle">'.$langs->trans("Categories").'</td><td>';
 				print $form->showCategories($projectstatic->id, 'project', 1);
 				print "</td></tr>";
diff --git a/htdocs/public/payment/paymentok.php b/htdocs/public/payment/paymentok.php
index 5553ee464c7..c0b88736ce3 100644
--- a/htdocs/public/payment/paymentok.php
+++ b/htdocs/public/payment/paymentok.php
@@ -533,11 +533,11 @@ if ($ispaymentok) {
 				$emetteur_banque = '';
 				// Define default choice for complementary actions
 				$option = '';
-				if (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'bankviainvoice' && !empty($conf->banque->enabled) && !empty($conf->societe->enabled) && !empty($conf->facture->enabled)) {
+				if (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'bankviainvoice' && !empty($conf->banque->enabled) && !empty($conf->societe->enabled) && isModEnabled('facture')) {
 					$option = 'bankviainvoice';
 				} elseif (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'bankdirect' && !empty($conf->banque->enabled)) {
 					$option = 'bankdirect';
-				} elseif (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'invoiceonly' && !empty($conf->banque->enabled) && !empty($conf->societe->enabled) && !empty($conf->facture->enabled)) {
+				} elseif (!empty($conf->global->ADHERENT_BANK_USE) && $conf->global->ADHERENT_BANK_USE == 'invoiceonly' && !empty($conf->banque->enabled) && !empty($conf->societe->enabled) && isModEnabled('facture')) {
 					$option = 'invoiceonly';
 				}
 				if (empty($option)) {
@@ -927,7 +927,7 @@ if ($ispaymentok) {
 			}
 
 			// Do action only if $FinalPaymentAmt is set (session variable is cleaned after this page to avoid duplicate actions when page is POST a second time)
-			if (!empty($conf->facture->enabled)) {
+			if (isModEnabled('facture')) {
 				if (!empty($FinalPaymentAmt) && $paymentTypeId > 0 ) {
 					include_once DOL_DOCUMENT_ROOT . '/compta/facture/class/facture.class.php';
 					$invoice = new Facture($db);
diff --git a/htdocs/reception/card.php b/htdocs/reception/card.php
index 243135fbf6a..241a8427e8f 100644
--- a/htdocs/reception/card.php
+++ b/htdocs/reception/card.php
@@ -2084,7 +2084,7 @@ if ($action == 'create') {
 			// TODO add alternative status
 			// 0=draft, 1=validated, 2=billed, we miss a status "delivered" (only available on order)
 			if ($object->statut == Reception::STATUS_CLOSED && $user->rights->reception->creer) {
-				if (!empty($conf->facture->enabled) && !empty($conf->global->WORKFLOW_BILL_ON_RECEPTION)) {  // Quand l'option est on, il faut avoir le bouton en plus et non en remplacement du Close ?
+				if (isModEnabled('facture') && !empty($conf->global->WORKFLOW_BILL_ON_RECEPTION)) {  // Quand l'option est on, il faut avoir le bouton en plus et non en remplacement du Close ?
 					print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&action=reopen&token='.newToken().'">'.$langs->trans("ClassifyUnbilled").'</a>';
 				} else {
 					print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&action=reopen&token='.newToken().'">'.$langs->trans("ReOpen").'</a>';
diff --git a/htdocs/recruitment/recruitmentcandidature_agenda.php b/htdocs/recruitment/recruitmentcandidature_agenda.php
index 74a48994f71..54ac648d1d0 100644
--- a/htdocs/recruitment/recruitmentcandidature_agenda.php
+++ b/htdocs/recruitment/recruitmentcandidature_agenda.php
@@ -218,7 +218,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -228,7 +228,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/recruitment/recruitmentindex.php b/htdocs/recruitment/recruitmentindex.php
index b4d943584cd..f028f2f8243 100644
--- a/htdocs/recruitment/recruitmentindex.php
+++ b/htdocs/recruitment/recruitmentindex.php
@@ -331,11 +331,11 @@ if (!empty($conf->recruitment->enabled) && $user->rights->recruitment->recruitme
 	$sql = "SELECT s.rowid, s.ref, s.label, s.date_creation, s.tms, s.status, COUNT(rc.rowid) as nbapplications";
 	$sql .= " FROM ".MAIN_DB_PREFIX."recruitment_recruitmentjobposition as s";
 	$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."recruitment_recruitmentcandidature as rc ON rc.fk_recruitmentjobposition = s.rowid";
-	if ($conf->societe->enabled && empty($user->rights->societe->client->voir) && !$socid) {
+	if (isModEnabled('societe') && empty($user->rights->societe->client->voir) && !$socid) {
 		$sql .= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
 	}
 	$sql .= " WHERE s.entity IN (".getEntity($staticrecruitmentjobposition->element).")";
-	if ($conf->societe->enabled && empty($user->rights->societe->client->voir) && !$socid) {
+	if (isModEnabled('societe') && empty($user->rights->societe->client->voir) && !$socid) {
 		$sql .= " AND s.fk_soc = sc.fk_soc AND sc.fk_user = ".((int) $user->id);
 	}
 	if ($socid) {
@@ -402,11 +402,11 @@ if (!empty($conf->recruitment->enabled) && $user->rights->recruitment->recruitme
 	$sql = "SELECT rc.rowid, rc.ref, rc.email, rc.lastname, rc.firstname, rc.date_creation, rc.tms, rc.status";
 	$sql .= " FROM ".MAIN_DB_PREFIX."recruitment_recruitmentcandidature as rc";
 	$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."recruitment_recruitmentjobposition as s ON rc.fk_recruitmentjobposition = s.rowid";
-	if ($conf->societe->enabled && empty($user->rights->societe->client->voir) && !$socid) {
+	if (isModEnabled('societe') && empty($user->rights->societe->client->voir) && !$socid) {
 		$sql .= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
 	}
 	$sql .= " WHERE rc.entity IN (".getEntity($staticrecruitmentjobposition->element).")";
-	if ($conf->societe->enabled && empty($user->rights->societe->client->voir) && !$socid) {
+	if (isModEnabled('societe') && empty($user->rights->societe->client->voir) && !$socid) {
 		$sql .= " AND s.fk_soc = sc.fk_soc AND sc.fk_user = ".((int) $user->id);
 	}
 	if ($socid) {
diff --git a/htdocs/recruitment/recruitmentjobposition_agenda.php b/htdocs/recruitment/recruitmentjobposition_agenda.php
index 45c84005743..1391ddb132d 100644
--- a/htdocs/recruitment/recruitmentjobposition_agenda.php
+++ b/htdocs/recruitment/recruitmentjobposition_agenda.php
@@ -217,7 +217,7 @@ if ($object->id > 0) {
 
 	print '<div class="tabsAction">';
 
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out.'">'.$langs->trans("AddAction").'</a>';
 		} else {
@@ -227,7 +227,7 @@ if ($object->id > 0) {
 
 	print '</div>';
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/resource/agenda.php b/htdocs/resource/agenda.php
index 363f334a7eb..cb13ce78e7d 100644
--- a/htdocs/resource/agenda.php
+++ b/htdocs/resource/agenda.php
@@ -164,7 +164,7 @@ if ($object->id > 0) {
 
 	print dol_get_fiche_end();
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		$param = '&id='.$object->id.'&socid='.$socid;
 		if (!empty($contextpage) && $contextpage != $_SERVER["PHP_SELF"]) {
 			$param .= '&contextpage='.urlencode($contextpage);
diff --git a/htdocs/societe/agenda.php b/htdocs/societe/agenda.php
index bebe542a6f9..89b69bda83c 100644
--- a/htdocs/societe/agenda.php
+++ b/htdocs/societe/agenda.php
@@ -157,13 +157,13 @@ if ($socid > 0) {
 	}
 
 	$newcardbutton = '';
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		if (!empty($user->rights->agenda->myactions->create) || !empty($user->rights->agenda->allactions->create)) {
 			$newcardbutton .= dolGetButtonTitle($langs->trans('AddAction'), '', 'fa fa-plus-circle', DOL_URL_ROOT.'/comm/action/card.php?action=create'.$out);
 		}
 	}
 
-	if (!empty($conf->agenda->enabled) && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
+	if (isModEnabled('agenda') && (!empty($user->rights->agenda->myactions->read) || !empty($user->rights->agenda->allactions->read))) {
 		print '<br>';
 
 		$param = '&socid='.urlencode($socid);
diff --git a/htdocs/societe/consumption.php b/htdocs/societe/consumption.php
index 5f997a37e9c..f74758296a9 100644
--- a/htdocs/societe/consumption.php
+++ b/htdocs/societe/consumption.php
@@ -168,7 +168,7 @@ if ($object->client) {
 	if (!empty($conf->commande->enabled) && $user->rights->commande->lire) {
 		$elementTypeArray['order'] = $langs->transnoentitiesnoconv('Orders');
 	}
-	if (!empty($conf->facture->enabled) && $user->rights->facture->lire) {
+	if (isModEnabled('facture') && $user->rights->facture->lire) {
 		$elementTypeArray['invoice'] = $langs->transnoentitiesnoconv('Invoices');
 	}
 	if (!empty($conf->contrat->enabled) && $user->rights->contrat->lire) {
@@ -199,13 +199,13 @@ if ($object->fournisseur) {
 	$obj = $db->fetch_object($resql);
 	$nbCmdsFourn = $obj->nb;
 	$thirdTypeArray['supplier'] = $langs->trans("supplier");
-	if (($conf->fournisseur->enabled && $user->rights->fournisseur->facture->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (!empty($conf->supplier_invoice->enabled) && $user->rights->supplier_invoice->lire)) {
+	if ((isModEnabled('fournisseur') && $user->rights->fournisseur->facture->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (!empty($conf->supplier_invoice->enabled) && $user->rights->supplier_invoice->lire)) {
 		$elementTypeArray['supplier_invoice'] = $langs->transnoentitiesnoconv('SuppliersInvoices');
 	}
-	if (($conf->fournisseur->enabled && $user->rights->fournisseur->commande->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (!empty($conf->supplier_order->enabled) && $user->rights->supplier_order->lire)) {
+	if ((isModEnabled('fournisseur') && $user->rights->fournisseur->commande->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (!empty($conf->supplier_order->enabled) && $user->rights->supplier_order->lire)) {
 		$elementTypeArray['supplier_order'] = $langs->transnoentitiesnoconv('SuppliersOrders');
 	}
-	if ($conf->supplier_proposal->enabled && $user->rights->supplier_proposal->lire) {
+	if (isModEnabled('supplier_proposal') && $user->rights->supplier_proposal->lire) {
 		$elementTypeArray['supplier_proposal'] = $langs->transnoentitiesnoconv('SupplierProposals');
 	}
 }
diff --git a/htdocs/societe/index.php b/htdocs/societe/index.php
index 597fc4b80ea..f4637186b4d 100644
--- a/htdocs/societe/index.php
+++ b/htdocs/societe/index.php
@@ -118,16 +118,16 @@ $result = $db->query($sql);
 if ($result) {
 	while ($objp = $db->fetch_object($result)) {
 		$found = 0;
-		if (!empty($conf->societe->enabled) && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_PROSPECTS) && empty($conf->global->SOCIETE_DISABLE_PROSPECTS_STATS) && ($objp->client == 2 || $objp->client == 3)) {
+		if (isModEnabled('societe') && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_PROSPECTS) && empty($conf->global->SOCIETE_DISABLE_PROSPECTS_STATS) && ($objp->client == 2 || $objp->client == 3)) {
 			$found = 1; $third['prospect']++;
 		}
-		if (!empty($conf->societe->enabled) && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS) && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS_STATS) && ($objp->client == 1 || $objp->client == 3)) {
+		if (isModEnabled('societe') && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS) && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS_STATS) && ($objp->client == 1 || $objp->client == 3)) {
 			$found = 1; $third['customer']++;
 		}
-		if ((($conf->fournisseur->enabled && $user->rights->fournisseur->facture->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (!empty($conf->supplier_order->enabled) && $user->rights->supplier_order->lire) || (!empty($conf->supplier_invoice->enabled) && $user->rights->supplier_invoice->lire)) && empty($conf->global->SOCIETE_DISABLE_SUPPLIERS_STATS) && $objp->fournisseur) {
+		if (((isModEnabled('fournisseur') && $user->rights->fournisseur->facture->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (isModEnabled('supplier_order') && $user->rights->supplier_order->lire) || (isModEnabled('supplier_invoice') && $user->rights->supplier_invoice->lire)) && empty($conf->global->SOCIETE_DISABLE_SUPPLIERS_STATS) && $objp->fournisseur) {
 			$found = 1; $third['supplier']++;
 		}
-		if (!empty($conf->societe->enabled) && $objp->client == 0 && $objp->fournisseur == 0) {
+		if (isModEnabled('societe') && $objp->client == 0 && $objp->fournisseur == 0) {
 			$found = 1; $third['other']++;
 		}
 		if ($found) {
@@ -144,16 +144,16 @@ $thirdpartygraph .= '<tr class="liste_titre"><th colspan="2">'.$langs->trans("St
 if (!empty($conf->use_javascript_ajax) && ((round($third['prospect']) ? 1 : 0) + (round($third['customer']) ? 1 : 0) + (round($third['supplier']) ? 1 : 0) + (round($third['other']) ? 1 : 0) >= 2)) {
 	$thirdpartygraph .= '<tr><td class="center" colspan="2">';
 	$dataseries = array();
-	if (!empty($conf->societe->enabled) && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_PROSPECTS) && empty($conf->global->SOCIETE_DISABLE_PROSPECTS_STATS)) {
+	if (isModEnabled('societe') && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_PROSPECTS) && empty($conf->global->SOCIETE_DISABLE_PROSPECTS_STATS)) {
 		$dataseries[] = array($langs->trans("Prospects"), round($third['prospect']));
 	}
-	if (!empty($conf->societe->enabled) && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS) && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS_STATS)) {
+	if (isModEnabled('societe') && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS) && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS_STATS)) {
 		$dataseries[] = array($langs->trans("Customers"), round($third['customer']));
 	}
-	if ((($conf->fournisseur->enabled && $user->rights->fournisseur->facture->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (!empty($conf->supplier_order->enabled) && $user->rights->supplier_order->lire) || (!empty($conf->supplier_invoice->enabled) && $user->rights->supplier_invoice->lire)) && empty($conf->global->SOCIETE_DISABLE_SUPPLIERS_STATS)) {
+	if ((($conf->fournisseur->enabled && $user->rights->fournisseur->facture->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (isModEnabled('supplier_order') && $user->rights->supplier_order->lire) || (isModEnabled('supplier_invoice') && $user->rights->supplier_invoice->lire)) && empty($conf->global->SOCIETE_DISABLE_SUPPLIERS_STATS)) {
 		$dataseries[] = array($langs->trans("Suppliers"), round($third['supplier']));
 	}
-	if (!empty($conf->societe->enabled)) {
+	if (isModEnabled('societe')) {
 		$dataseries[] = array($langs->trans("Others"), round($third['other']));
 	}
 	include_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
@@ -167,18 +167,18 @@ if (!empty($conf->use_javascript_ajax) && ((round($third['prospect']) ? 1 : 0) +
 	$thirdpartygraph .= $dolgraph->show();
 	$thirdpartygraph .= '</td></tr>'."\n";
 } else {
-	if (!empty($conf->societe->enabled) && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_PROSPECTS) && empty($conf->global->SOCIETE_DISABLE_PROSPECTS_STATS)) {
+	if (isModEnabled('societe') && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_PROSPECTS) && empty($conf->global->SOCIETE_DISABLE_PROSPECTS_STATS)) {
 		$statstring = "<tr>";
 		$statstring .= '<td><a href="'.DOL_URL_ROOT.'/societe/list.php?type=p">'.$langs->trans("Prospects").'</a></td><td class="right">'.round($third['prospect']).'</td>';
 		$statstring .= "</tr>";
 	}
-	if (!empty($conf->societe->enabled) && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS) && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS_STATS)) {
+	if (isModEnabled('societe') && $user->rights->societe->lire && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS) && empty($conf->global->SOCIETE_DISABLE_CUSTOMERS_STATS)) {
 		$statstring .= "<tr>";
 		$statstring .= '<td><a href="'.DOL_URL_ROOT.'/societe/list.php?type=c">'.$langs->trans("Customers").'</a></td><td class="right">'.round($third['customer']).'</td>';
 		$statstring .= "</tr>";
 	}
 	$statstring2 = '';
-	if (((!empty($conf->fournisseur->enabled) && $user->rights->fournisseur->facture->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (!empty($conf->supplier_order->enabled) && $user->rights->supplier_order->lire) || (!empty($conf->supplier_invoice->enabled) && $user->rights->supplier_invoice->lire)) && empty($conf->global->SOCIETE_DISABLE_SUPPLIERS_STATS)) {
+	if (((isModEnabled('societe') && $user->rights->fournisseur->facture->lire && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || (isModEnabled('supplier_order') && $user->rights->supplier_order->lire) || (isModEnabled('supplier_invoice') && $user->rights->supplier_invoice->lire)) && empty($conf->global->SOCIETE_DISABLE_SUPPLIERS_STATS)) {
 		$statstring2 = "<tr>";
 		$statstring2 .= '<td><a href="'.DOL_URL_ROOT.'/societe/list.php?type=f">'.$langs->trans("Suppliers").'</a></td><td class="right">'.round($third['supplier']).'</td>';
 		$statstring2 .= "</tr>";
diff --git a/htdocs/societe/paymentmodes.php b/htdocs/societe/paymentmodes.php
index e2ac40f8770..d623e5699de 100644
--- a/htdocs/societe/paymentmodes.php
+++ b/htdocs/societe/paymentmodes.php
@@ -784,7 +784,7 @@ if ($socid && $action != 'edit' && $action != 'create' && $action != 'editcard'
 		if (!empty($conf->commande->enabled) && $user->rights->commande->lire) {
 			$elementTypeArray['order'] = $langs->transnoentitiesnoconv('Orders');
 		}
-		if (!empty($conf->facture->enabled) && $user->rights->facture->lire) {
+		if (isModEnabled('facture') && $user->rights->facture->lire) {
 			$elementTypeArray['invoice'] = $langs->transnoentitiesnoconv('Invoices');
 		}
 		if (!empty($conf->contrat->enabled) && $user->rights->contrat->lire) {
@@ -838,16 +838,16 @@ if ($socid && $action != 'edit' && $action != 'create' && $action != 'editcard'
 		$obj = $db->fetch_object($resql);
 		$nbFactsClient = $obj->nb;
 		$thirdTypeArray['customer'] = $langs->trans("customer");
-		if ($conf->propal->enabled && $user->rights->propal->lire) {
+		if (isModEnabled('propal') && $user->rights->propal->lire) {
 			$elementTypeArray['propal'] = $langs->transnoentitiesnoconv('Proposals');
 		}
-		if ($conf->commande->enabled && $user->rights->commande->lire) {
+		if (isModEnabled('commande') && $user->rights->commande->lire) {
 			$elementTypeArray['order'] = $langs->transnoentitiesnoconv('Orders');
 		}
-		if ($conf->facture->enabled && $user->rights->facture->lire) {
+		if (isModEnabled('facture') && $user->rights->facture->lire) {
 			$elementTypeArray['invoice'] = $langs->transnoentitiesnoconv('Invoices');
 		}
-		if ($conf->contrat->enabled && $user->rights->contrat->lire) {
+		if (isModEnabled('contrat') && $user->rights->contrat->lire) {
 			$elementTypeArray['contract'] = $langs->transnoentitiesnoconv('Contracts');
 		}
 	}
diff --git a/htdocs/ticket/card.php b/htdocs/ticket/card.php
index efa2eba0999..a527aca93bf 100755
--- a/htdocs/ticket/card.php
+++ b/htdocs/ticket/card.php
@@ -1125,7 +1125,7 @@ if ($action == 'create' || $action == 'presend') {
 		print '<div class="underbanner clearboth"></div>';
 
 		// Categories
-		if ($conf->categorie->enabled) {
+		if (isModEnabled('categorie')) {
 			print '<div class="div-table-responsive-no-min">'; // You can use div-table-responsive-no-min if you dont need reserved height for your table
 
 			print '<table class="border tableforfield centpercent noborderbottom">';
diff --git a/htdocs/ticket/class/ticket.class.php b/htdocs/ticket/class/ticket.class.php
index 3ac3727af13..e1314f369a0 100644
--- a/htdocs/ticket/class/ticket.class.php
+++ b/htdocs/ticket/class/ticket.class.php
@@ -2871,7 +2871,7 @@ class Ticket extends CommonObject
 
 		$sql = "SELECT p.rowid, p.ref, p.datec as datec";
 		$sql .= " FROM ".MAIN_DB_PREFIX."ticket as p";
-		if ($conf->societe->enabled && empty($user->rights->societe->client->voir) && !$user->socid) {
+		if (isModEnabled('societe') && empty($user->rights->societe->client->voir) && !$user->socid) {
 			$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."societe_commerciaux as sc ON p.fk_soc = sc.fk_soc";
 			$sql .= " WHERE sc.fk_user = ".((int) $user->id);
 			$clause = " AND";
diff --git a/htdocs/user/card.php b/htdocs/user/card.php
index f0b362b383e..254a3ea9e75 100644
--- a/htdocs/user/card.php
+++ b/htdocs/user/card.php
@@ -1154,7 +1154,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 	}
 
 	// User color
-	if (!empty($conf->agenda->enabled)) {
+	if (isModEnabled('agenda')) {
 		print '<tr><td>'.$langs->trans("ColorUser").'</td>';
 		print '<td>';
 		print $formother->selectColor(GETPOSTISSET('color') ?GETPOST('color', 'alphanohtml') : $object->color, 'color', null, 1, '', 'hideifnotset');
@@ -1605,7 +1605,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 			print '<table class="border tableforfield centpercent">';
 
 			// Color user
-			if (!empty($conf->agenda->enabled)) {
+			if (isModEnabled('agenda')) {
 				print '<tr><td class="titlefield">'.$langs->trans("ColorUser").'</td>';
 				print '<td>';
 				print $formother->showColor($object->color, '');
@@ -2544,7 +2544,7 @@ if ($action == 'create' || $action == 'adduserldap') {
 			}
 
 			// User color
-			if (!empty($conf->agenda->enabled)) {
+			if (isModEnabled('agenda')) {
 				print '<tr><td class="titlefieldcreate">'.$langs->trans("ColorUser").'</td>';
 				print '<td>';
 				if ($caneditfield) {
diff --git a/htdocs/user/param_ihm.php b/htdocs/user/param_ihm.php
index f92afe53a4f..c2ea42e6c6a 100644
--- a/htdocs/user/param_ihm.php
+++ b/htdocs/user/param_ihm.php
@@ -204,7 +204,7 @@ if (!empty($conf->comptabilite->enabled) || !empty($conf->accounting->enabled))
 if (!empty($conf->adherent->enabled)) {
 	$tmparray['adherents/index.php?mainmenu=members&leftmenu='] = 'MembersArea';
 }
-if (!empty($conf->agenda->enabled)) {
+if (isModEnabled('agenda')) {
 	$tmparray['comm/action/index.php?mainmenu=agenda&leftmenu='] = 'Agenda';
 }
 if (!empty($conf->ticket->enabled)) {
diff --git a/test/phpunit/FactureTest.php b/test/phpunit/FactureTest.php
index efa7d43a269..e40ed6aa2e7 100644
--- a/test/phpunit/FactureTest.php
+++ b/test/phpunit/FactureTest.php
@@ -83,7 +83,7 @@ class FactureTest extends PHPUnit\Framework\TestCase
 	{
 		global $conf,$user,$langs,$db;
 
-		if (empty($conf->facture->enabled)) {
+		if (!isModEnabled('facture')) {
 			print __METHOD__." module customer invoice must be enabled.\n"; die(1);
 		}
 		if (! empty($conf->ecotaxdeee->enabled)) {