diff --git a/htdocs/admin/mails_templates.php b/htdocs/admin/mails_templates.php
index 303e6f3cfec..fbdad9e379e 100644
--- a/htdocs/admin/mails_templates.php
+++ b/htdocs/admin/mails_templates.php
@@ -1332,7 +1332,7 @@ function fieldList($fieldlist, $obj = '', $tabname = '', $context = '')
 			print '</td>';
 		} elseif ($value == 'lang') {
 			print '<td>';
-			if (!empty($conf->global->MAIN_MULTILANGS)) {
+			if (getDolGlobalInt('MAIN_MULTILANGS')) {
 				$selectedlang = GETPOSTISSET('langcode') ?GETPOST('langcode', 'aZ09') : $langs->defaultlang;
 				if ($context == 'edit') {
 					$selectedlang = $obj->{$value};
diff --git a/htdocs/asset/class/asset.class.php b/htdocs/asset/class/asset.class.php
index 55d2bc07593..5c50b972c93 100644
--- a/htdocs/asset/class/asset.class.php
+++ b/htdocs/asset/class/asset.class.php
@@ -1171,10 +1171,10 @@ class Asset extends CommonObject
 				global $hidedetails, $hidedesc, $hideref;
 				$outputlangs = $langs;
 				$newlang = '';
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 					$newlang = GETPOST('lang_id', 'aZ09');
 				}
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang)) {
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang)) {
 					$newlang = $this->thirdparty->default_lang;
 				}
 				if (!empty($newlang)) {
@@ -1234,10 +1234,10 @@ class Asset extends CommonObject
 				global $hidedetails, $hidedesc, $hideref;
 				$outputlangs = $langs;
 				$newlang = '';
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 					$newlang = GETPOST('lang_id', 'aZ09');
 				}
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang)) {
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang)) {
 					$newlang = $this->thirdparty->default_lang;
 				}
 				if (!empty($newlang)) {
diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index a0b4d9c20c8..1d7901eca3f 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -384,7 +384,7 @@ class Categorie extends CommonObject
 				$this->db->free($resql);
 
 				// multilangs
-				if (!empty($conf->global->MAIN_MULTILANGS)) {
+				if (getDolGlobalInt('MAIN_MULTILANGS')) {
 					$this->getMultiLangs();
 				}
 
@@ -1000,7 +1000,7 @@ class Categorie extends CommonObject
 					$categories[$i]['array_options'] = $category_static->array_options;
 
 					// multilangs
-					if (!empty($conf->global->MAIN_MULTILANGS) && isset($category_static->multilangs)) {
+					if (getDolGlobalInt('MAIN_MULTILANGS') && isset($category_static->multilangs)) {
 						$categories[$i]['multilangs'] = $category_static->multilangs;
 					}
 				}
@@ -1128,11 +1128,11 @@ class Categorie extends CommonObject
 
 		// Init $this->cats array
 		$sql = "SELECT DISTINCT c.rowid, c.label, c.ref_ext, c.description, c.color, c.fk_parent, c.visible"; // Distinct reduce pb with old tables with duplicates
-		if (!empty($conf->global->MAIN_MULTILANGS)) {
+		if (getDolGlobalInt('MAIN_MULTILANGS')) {
 			$sql .= ", t.label as label_trans, t.description as description_trans";
 		}
 		$sql .= " FROM ".MAIN_DB_PREFIX."categorie as c";
-		if (!empty($conf->global->MAIN_MULTILANGS)) {
+		if (getDolGlobalInt('MAIN_MULTILANGS')) {
 			$sql .= " LEFT  JOIN ".MAIN_DB_PREFIX."categorie_lang as t ON t.fk_category=c.rowid AND t.lang='".$this->db->escape($current_lang)."'";
 		}
 		$sql .= " WHERE c.entity IN (".getEntity('category').")";
diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index 0f019c80f4b..5a92ff25695 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -256,7 +256,7 @@ if (empty($reshook)) {
 		if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 			// Define output language
 			$outputlangs = $langs;
-			if (!empty($conf->global->MAIN_MULTILANGS)) {
+			if (getDolGlobalInt('MAIN_MULTILANGS')) {
 				$outputlangs = new Translate("", $conf);
 				$newlang = (GETPOST('lang_id', 'aZ09') ? GETPOST('lang_id', 'aZ09') : $object->thirdparty->default_lang);
 				$outputlangs->setDefaultLang($newlang);
@@ -281,10 +281,10 @@ if (empty($reshook)) {
 			if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 				$outputlangs = $langs;
 				$newlang = '';
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 					$newlang = GETPOST('lang_id', 'aZ09');
 				}
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang)) {
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang)) {
 					$newlang = $object->thirdparty->default_lang;
 				}
 				if (!empty($newlang)) {
@@ -326,8 +326,8 @@ if (empty($reshook)) {
 			} elseif (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 				$outputlangs = $langs;
 				$newlang = '';
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) $newlang = GETPOST('lang_id', 'aZ09');
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang))	$newlang = $object->thirdparty->default_lang;
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) $newlang = GETPOST('lang_id', 'aZ09');
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang))	$newlang = $object->thirdparty->default_lang;
 				if (!empty($newlang)) {
 					$outputlangs = new Translate("", $conf);
 					$outputlangs->setDefaultLang($newlang);
@@ -347,8 +347,8 @@ if (empty($reshook)) {
 			if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 				$outputlangs = $langs;
 				$newlang = '';
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) $newlang = GETPOST('lang_id', 'aZ09');
-				if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang))	$newlang = $object->thirdparty->default_lang;
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) $newlang = GETPOST('lang_id', 'aZ09');
+				if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang))	$newlang = $object->thirdparty->default_lang;
 				if (!empty($newlang)) {
 					$outputlangs = new Translate("", $conf);
 					$outputlangs->setDefaultLang($newlang);
@@ -647,10 +647,10 @@ if (empty($reshook)) {
 						if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 							$outputlangs = $langs;
 							$newlang = '';
-							if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+							if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 								$newlang = GETPOST('lang_id', 'aZ09');
 							}
-							if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang)) {
+							if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang)) {
 								$newlang = $object->thirdparty->default_lang;
 							}
 							if (!empty($newlang)) {
@@ -746,7 +746,7 @@ if (empty($reshook)) {
 						$ret = $deposit->fetch($deposit->id); // Reload to get new records
 						$outputlangs = $langs;
 
-						if (!empty($conf->global->MAIN_MULTILANGS)) {
+						if (getDolGlobalInt('MAIN_MULTILANGS')) {
 							$outputlangs = new Translate('', $conf);
 							$outputlangs->setDefaultLang($deposit->thirdparty->default_lang);
 							$outputlangs->load('products');
@@ -877,7 +877,7 @@ if (empty($reshook)) {
 		if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 			// Define output language
 			$outputlangs = $langs;
-			if (!empty($conf->global->MAIN_MULTILANGS)) {
+			if (getDolGlobalInt('MAIN_MULTILANGS')) {
 				$outputlangs = new Translate("", $conf);
 				$newlang = (GETPOST('lang_id', 'aZ09') ? GETPOST('lang_id', 'aZ09') : $object->thirdparty->default_lang);
 				$outputlangs->setDefaultLang($newlang);
@@ -1133,7 +1133,7 @@ if (empty($reshook)) {
 				$desc = '';
 
 				// Define output language
-				if (!empty($conf->global->MAIN_MULTILANGS) && !empty($conf->global->PRODUIT_TEXTS_IN_THIRDPARTY_LANGUAGE)) {
+				if (getDolGlobalInt('MAIN_MULTILANGS') && !empty($conf->global->PRODUIT_TEXTS_IN_THIRDPARTY_LANGUAGE)) {
 					$outputlangs = $langs;
 					$newlang = '';
 					if (empty($newlang) && GETPOST('lang_id', 'aZ09')) {
@@ -1167,7 +1167,7 @@ if (empty($reshook)) {
 				if (empty($conf->global->MAIN_PRODUCT_DISABLE_CUSTOMCOUNTRYCODE) && (!empty($prod->customcode) || !empty($prod->country_code))) {
 					$tmptxt = '(';
 					// Define output language
-					if (!empty($conf->global->MAIN_MULTILANGS) && !empty($conf->global->PRODUIT_TEXTS_IN_THIRDPARTY_LANGUAGE)) {
+					if (getDolGlobalInt('MAIN_MULTILANGS') && !empty($conf->global->PRODUIT_TEXTS_IN_THIRDPARTY_LANGUAGE)) {
 						$outputlangs = $langs;
 						$newlang = '';
 						if (empty($newlang) && GETPOST('lang_id', 'alpha')) {
@@ -1268,7 +1268,7 @@ if (empty($reshook)) {
 					if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 						// Define output language
 						$outputlangs = $langs;
-						if (!empty($conf->global->MAIN_MULTILANGS)) {
+						if (getDolGlobalInt('MAIN_MULTILANGS')) {
 							$outputlangs = new Translate("", $conf);
 							$newlang = (GETPOST('lang_id', 'aZ09') ? GETPOST('lang_id', 'aZ09') : $object->thirdparty->default_lang);
 							$outputlangs->setDefaultLang($newlang);
@@ -1442,7 +1442,7 @@ if (empty($reshook)) {
 				if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 					// Define output language
 					$outputlangs = $langs;
-					if (!empty($conf->global->MAIN_MULTILANGS)) {
+					if (getDolGlobalInt('MAIN_MULTILANGS')) {
 						$outputlangs = new Translate("", $conf);
 						$newlang = (GETPOST('lang_id', 'aZ09') ? GETPOST('lang_id', 'aZ09') : $object->thirdparty->default_lang);
 						$outputlangs->setDefaultLang($newlang);