diff --git a/htdocs/contact/ldap.php b/htdocs/contact/ldap.php
index 92b9c1ad337..d7ddd520ac0 100644
--- a/htdocs/contact/ldap.php
+++ b/htdocs/contact/ldap.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2006-2010	Laurent Destailleur  <eldy@users.sourceforge.net>
- * Copyright (C) 2006-2017	Regis Houssin        <regis.houssin@inodbox.com>
+ * Copyright (C) 2006-2021	Regis Houssin        <regis.houssin@inodbox.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -114,15 +114,15 @@ print $object->getCivilityLabel();
 print '</td></tr>';
 
 // LDAP DN
-print '<tr><td>LDAP '.$langs->trans("LDAPContactDn").'</td><td class="valeur" colspan="3">'.$conf->global->LDAP_CONTACT_DN."</td></tr>\n";
+print '<tr><td>LDAP '.$langs->trans("LDAPContactDn").'</td><td class="valeur" colspan="3">'.getDolGlobalString('LDAP_CONTACT_DN')."</td></tr>\n";
 
 // LDAP Cle
-print '<tr><td>LDAP '.$langs->trans("LDAPNamingAttribute").'</td><td class="valeur" colspan="3">'.$conf->global->LDAP_KEY_CONTACTS."</td></tr>\n";
+print '<tr><td>LDAP '.$langs->trans("LDAPNamingAttribute").'</td><td class="valeur" colspan="3">'.getDolGlobalString('LDAP_KEY_CONTACTS')."</td></tr>\n";
 
 // LDAP Server
-print '<tr><td>LDAP '.$langs->trans("LDAPPrimaryServer").'</td><td class="valeur" colspan="3">'.$conf->global->LDAP_SERVER_HOST."</td></tr>\n";
-print '<tr><td>LDAP '.$langs->trans("LDAPSecondaryServer").'</td><td class="valeur" colspan="3">'.$conf->global->LDAP_SERVER_HOST_SLAVE."</td></tr>\n";
-print '<tr><td>LDAP '.$langs->trans("LDAPServerPort").'</td><td class="valeur" colspan="3">'.$conf->global->LDAP_SERVER_PORT."</td></tr>\n";
+print '<tr><td>LDAP '.$langs->trans("LDAPPrimaryServer").'</td><td class="valeur" colspan="3">'.getDolGlobalString('LDAP_SERVER_HOST')."</td></tr>\n";
+print '<tr><td>LDAP '.$langs->trans("LDAPSecondaryServer").'</td><td class="valeur" colspan="3">'.getDolGlobalString('LDAP_SERVER_HOST_SLAVE')."</td></tr>\n";
+print '<tr><td>LDAP '.$langs->trans("LDAPServerPort").'</td><td class="valeur" colspan="3">'.getDolGlobalString('LDAP_SERVER_PORT')."</td></tr>\n";
 
 print '</table>';
 
@@ -136,13 +136,13 @@ print dol_get_fiche_end();
  */
 print '<div class="tabsAction">';
 
-if (!empty($conf->global->LDAP_CONTACT_ACTIVE) && $conf->global->LDAP_CONTACT_ACTIVE != Ldap::SYNCHRO_LDAP_TO_DOLIBARR) {
+if (!empty($conf->global->LDAP_CONTACT_ACTIVE) && getDolGlobalInt('LDAP_CONTACT_ACTIVE') != Ldap::SYNCHRO_LDAP_TO_DOLIBARR) {
 	print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=dolibarr2ldap">'.$langs->trans("ForceSynchronize").'</a>';
 }
 
 print "</div>\n";
 
-if (!empty($conf->global->LDAP_CONTACT_ACTIVE) && $conf->global->LDAP_CONTACT_ACTIVE != Ldap::SYNCHRO_LDAP_TO_DOLIBARR) {
+if (!empty($conf->global->LDAP_CONTACT_ACTIVE) && getDolGlobalInt('LDAP_CONTACT_ACTIVE') != Ldap::SYNCHRO_LDAP_TO_DOLIBARR) {
 	print "<br>\n";
 }
 
diff --git a/htdocs/core/login/functions_ldap.php b/htdocs/core/login/functions_ldap.php
index 5ae3af3f008..1db98f5384e 100644
--- a/htdocs/core/login/functions_ldap.php
+++ b/htdocs/core/login/functions_ldap.php
@@ -1,5 +1,6 @@
 <?php
 /* Copyright (C) 2007-2011 Laurent Destailleur  <eldy@users.sourceforge.net>
+ * Copyright (C) 2008-2021 Regis Houssin        <regis.houssin@inodbox.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -156,7 +157,7 @@ function check_user_password_ldap($usertotest, $passwordtotest, $entitytotest)
 				// we need to get the real login to use in the ldap answer.
 				if (!empty($conf->global->LDAP_FIELD_LOGIN) && !empty($ldap->login)) {
 					$login = $ldap->login;
-					dol_syslog("functions_ldap::check_user_password_ldap login is now $login (LDAP_FIELD_LOGIN=".$conf->global->LDAP_FIELD_LOGIN.")");
+					dol_syslog("functions_ldap::check_user_password_ldap login is now $login (LDAP_FIELD_LOGIN=".getDolGlobalString('LDAP_FIELD_LOGIN').")");
 				}
 
 				require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
@@ -181,7 +182,7 @@ function check_user_password_ldap($usertotest, $passwordtotest, $entitytotest)
 				}
 
 				// ldap2dolibarr synchronisation
-				if ($login && !empty($conf->ldap->enabled) && $conf->global->LDAP_SYNCHRO_ACTIVE == Ldap::SYNCHRO_LDAP_TO_DOLIBARR) {	// ldap2dolibarr synchronization
+				if ($login && !empty($conf->ldap->enabled) && getDolGlobalInt('LDAP_SYNCHRO_ACTIVE') == Ldap::SYNCHRO_LDAP_TO_DOLIBARR) {	// ldap2dolibarr synchronization
 					dol_syslog("functions_ldap::check_user_password_ldap Sync ldap2dolibarr");
 
 					// On charge les attributs du user ldap
diff --git a/htdocs/core/triggers/interface_50_modLdap_Ldapsynchro.class.php b/htdocs/core/triggers/interface_50_modLdap_Ldapsynchro.class.php
index 24df646efd6..4e364a91a6a 100644
--- a/htdocs/core/triggers/interface_50_modLdap_Ldapsynchro.class.php
+++ b/htdocs/core/triggers/interface_50_modLdap_Ldapsynchro.class.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2005-2012	Laurent Destailleur	<eldy@users.sourceforge.net>
- * Copyright (C) 2005-2017	Regis Houssin		<regis.houssin@inodbox.com>
+ * Copyright (C) 2005-2021	Regis Houssin		<regis.houssin@inodbox.com>
  * Copyright (C) 2014		Marcos García		<marcosgdf@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -482,7 +482,7 @@ class InterfaceLdapsynchro extends DolibarrTriggers
 			}
 		} elseif ($action == 'MEMBER_VALIDATE') {
 			dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
-			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && (string) $conf->global->LDAP_MEMBER_ACTIVE == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
+			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && getDolGlobalInt('LDAP_MEMBER_ACTIVE') == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
 				// If status field is setup to be synchronized
 				if (!empty($conf->global->LDAP_FIELD_MEMBER_STATUS)) {
 					$ldap = new Ldap();
@@ -503,13 +503,13 @@ class InterfaceLdapsynchro extends DolibarrTriggers
 			}
 		} elseif ($action == 'MEMBER_SUBSCRIPTION') {
 			dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
-			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && (string) $conf->global->LDAP_MEMBER_ACTIVE == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
+			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && getDolGlobalInt('LDAP_MEMBER_ACTIVE') == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
 				// If subscriptions fields are setup to be synchronized
-				if ($conf->global->LDAP_FIELD_MEMBER_FIRSTSUBSCRIPTION_DATE
-					|| $conf->global->LDAP_FIELD_MEMBER_FIRSTSUBSCRIPTION_AMOUNT
-					|| $conf->global->LDAP_FIELD_MEMBER_LASTSUBSCRIPTION_DATE
-					|| $conf->global->LDAP_FIELD_MEMBER_LASTSUBSCRIPTION_AMOUNT
-					|| $conf->global->LDAP_FIELD_MEMBER_END_LASTSUBSCRIPTION) {
+				if (!empty($conf->global->LDAP_FIELD_MEMBER_FIRSTSUBSCRIPTION_DATE)
+					|| !empty($conf->global->LDAP_FIELD_MEMBER_FIRSTSUBSCRIPTION_AMOUNT)
+					|| !empty($conf->global->LDAP_FIELD_MEMBER_LASTSUBSCRIPTION_DATE)
+					|| !empty($conf->global->LDAP_FIELD_MEMBER_LASTSUBSCRIPTION_AMOUNT)
+					|| !empty($conf->global->LDAP_FIELD_MEMBER_END_LASTSUBSCRIPTION)) {
 					$ldap = new Ldap();
 					$result = $ldap->connect_bind();
 
@@ -528,7 +528,7 @@ class InterfaceLdapsynchro extends DolibarrTriggers
 			}
 		} elseif ($action == 'MEMBER_MODIFY') {
 			dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
-			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && (string) $conf->global->LDAP_MEMBER_ACTIVE == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
+			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && getDolGlobalInt('LDAP_MEMBER_ACTIVE') == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
 				$ldap = new Ldap();
 				$result = $ldap->connect_bind();
 
@@ -616,9 +616,9 @@ class InterfaceLdapsynchro extends DolibarrTriggers
 			}
 		} elseif ($action == 'MEMBER_NEW_PASSWORD') {
 			dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
-			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && (string) $conf->global->LDAP_MEMBER_ACTIVE == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
+			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && getDolGlobalInt('LDAP_MEMBER_ACTIVE') == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
 				// If password field is setup to be synchronized
-				if ($conf->global->LDAP_FIELD_PASSWORD || $conf->global->LDAP_FIELD_PASSWORD_CRYPTED) {
+				if (!empty($conf->global->LDAP_FIELD_PASSWORD) || !empty($conf->global->LDAP_FIELD_PASSWORD_CRYPTED)) {
 					$ldap = new Ldap();
 					$result = $ldap->connect_bind();
 
@@ -637,7 +637,7 @@ class InterfaceLdapsynchro extends DolibarrTriggers
 			}
 		} elseif ($action == 'MEMBER_RESILIATE') {
 			dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
-			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && (string) $conf->global->LDAP_MEMBER_ACTIVE == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
+			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && getDolGlobalInt('LDAP_MEMBER_ACTIVE') == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
 				// If status field is setup to be synchronized
 				if (!empty($conf->global->LDAP_FIELD_MEMBER_STATUS)) {
 					$ldap = new Ldap();
@@ -658,7 +658,7 @@ class InterfaceLdapsynchro extends DolibarrTriggers
 			}
 		} elseif ($action == 'MEMBER_DELETE') {
 			dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
-			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && (string) $conf->global->LDAP_MEMBER_ACTIVE == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
+			if (!empty($conf->global->LDAP_MEMBER_ACTIVE) && getDolGlobalInt('LDAP_MEMBER_ACTIVE') == Ldap::SYNCHRO_DOLIBARR_TO_LDAP) {
 				$ldap = new Ldap();
 				$result = $ldap->connect_bind();