diff --git a/htdocs/admin/eventorganization.php b/htdocs/admin/eventorganization.php
index c9991c07a38..7e1b74e336e 100644
--- a/htdocs/admin/eventorganization.php
+++ b/htdocs/admin/eventorganization.php
@@ -154,7 +154,7 @@ if ($action == 'updateMask') {
 		$tmpobjectkey = GETPOST('object');
 		if (!empty($tmpobjectkey)) {
 			$constforval = 'EVENTORGANIZATION_'.strtoupper($tmpobjectkey).'_ADDON_PDF';
-			if ($conf->global->$constforval == "$value") {
+			if (getDolGlobalString($constforval) == "$value") {
 				dolibarr_del_const($db, $constforval, $conf->entity);
 			}
 		}
@@ -279,7 +279,7 @@ if ($action == 'edit') {
 				print dolJSToSetRandomPassword($constname, 'generate_token'.$constname);
 			} elseif ($val['type'] == 'product') {
 				if (isModEnabled("product") || isModEnabled("service")) {
-					$selected = (empty($conf->global->$constname) ? '' : $conf->global->$constname);
+					$selected = getDolGlobalString($constname);
 					$form->select_produits($selected, $constname, '', 0);
 				}
 			} else {
diff --git a/htdocs/admin/fckeditor.php b/htdocs/admin/fckeditor.php
index 64dc930e5e9..92a235fc178 100644
--- a/htdocs/admin/fckeditor.php
+++ b/htdocs/admin/fckeditor.php
@@ -173,7 +173,7 @@ if (empty($conf->use_javascript_ajax)) {
 		}
 		print '</td>';
 		print '<td class="center centpercent width100">';
-		$value = (isset($conf->global->$constante) ? $conf->global->$constante : 0);
+		$value = getDolGlobalInt($constante, 0);
 		if ($value == 0) {
 			print '<a class="reposition" href="'.$_SERVER['PHP_SELF'].'?action=enable_'.strtolower($const).'&token='.newToken().'">'.img_picto($langs->trans("Disabled"), 'switch_off').'</a>';
 		} elseif ($value == 1) {
diff --git a/htdocs/admin/hrm.php b/htdocs/admin/hrm.php
index 423b78bc071..6b75e92bfca 100644
--- a/htdocs/admin/hrm.php
+++ b/htdocs/admin/hrm.php
@@ -159,7 +159,7 @@ if ($action == 'update') {
 		$tmpobjectkey = GETPOST('object');
 		if (!empty($tmpobjectkey)) {
 			$constforval = 'HRMTEST_'.strtoupper($tmpobjectkey).'_ADDON_PDF';
-			if ($conf->global->$constforval == "$value") {
+			if (getDolGlobalString($constforval) == "$value") {
 				dolibarr_del_const($db, $constforval, $conf->entity);
 			}
 		}
@@ -549,7 +549,7 @@ if ($action == 'edit') {
 				print dolJSToSetRandomPassword($constname, 'generate_token' . $constname);
 			} elseif ($val['type'] == 'product') {
 				if (isModEnabled('product') || isModEnabled('service')) {
-					$selected = (empty($conf->global->$constname) ? '' : $conf->global->$constname);
+					$selected = getDolGlobalString($constname);
 					$form->select_produits($selected, $constname, '', 0);
 				}
 			} else {
diff --git a/htdocs/admin/knowledgemanagement.php b/htdocs/admin/knowledgemanagement.php
index ed99e058328..40e92d8270a 100644
--- a/htdocs/admin/knowledgemanagement.php
+++ b/htdocs/admin/knowledgemanagement.php
@@ -137,7 +137,7 @@ if ($action == 'updateMask') {
 		$tmpobjectkey = GETPOST('object');
 		if (!empty($tmpobjectkey)) {
 			$constforval = 'KNOWLEDGEMANAGEMENT_'.strtoupper($tmpobjectkey).'_ADDON_PDF';
-			if ($conf->global->$constforval == "$value") {
+			if (getDolGlobalString($constforval) == "$value") {
 				dolibarr_del_const($db, $constforval, $conf->entity);
 			}
 		}
diff --git a/htdocs/admin/modules.php b/htdocs/admin/modules.php
index 78fed9249ea..eb3938ac088 100644
--- a/htdocs/admin/modules.php
+++ b/htdocs/admin/modules.php
@@ -851,7 +851,7 @@ if ($mode == 'common' || $mode == 'commonkanban') {
 		}
 
 		// Activate/Disable and Setup (2 columns)
-		if (!empty($conf->global->$const_name)) {	// If module is already activated
+		if (getDolGlobalString($const_name)) {	// If module is already activated
 			// Set $codeenabledisable
 			$disableSetup = 0;
 			if (!empty($arrayofwarnings[$modName])) {
diff --git a/htdocs/admin/webhook.php b/htdocs/admin/webhook.php
index 155606bc698..cc7527579aa 100644
--- a/htdocs/admin/webhook.php
+++ b/htdocs/admin/webhook.php
@@ -142,7 +142,7 @@ if ($action == 'updateMask') {
 		$tmpobjectkey = GETPOST('object');
 		if (!empty($tmpobjectkey)) {
 			$constforval = 'WEBHOOK_'.strtoupper($tmpobjectkey).'_ADDON_PDF';
-			if ($conf->global->$constforval == "$value") {
+			if (getDolGlobalString($constforval) == "$value") {
 				dolibarr_del_const($db, $constforval, $conf->entity);
 			}
 		}
@@ -270,7 +270,7 @@ if ($action == 'edit') {
 					print dolJSToSetRandomPassword($constname, 'generate_token'.$constname);
 				} elseif ($val['type'] == 'product') {
 					if (isModEnabled("product") || isModEnabled("service")) {
-						$selected = (empty($conf->global->$constname) ? '' : $conf->global->$constname);
+						$selected = getDolGlobalString($constname);
 						$form->select_produits($selected, $constname, '', 0);
 					}
 				} else {
@@ -447,7 +447,7 @@ foreach ($myTmpObjects as $myTmpObjectKey => $myTmpObjectArray) {
 
 								print '<td class="center">';
 								$constforvar = 'WEBHOOK_'.strtoupper($myTmpObjectKey).'_ADDON';
-								if ($conf->global->$constforvar == $file) {
+								if (getDolGlobalString($constforvar) == $file) {
 									print img_picto($langs->trans("Activated"), 'switch_on');
 								} else {
 									print '<a href="'.$_SERVER["PHP_SELF"].'?action=setmod&token='.newToken().'&object='.strtolower($myTmpObjectKey).'&value='.urlencode($file).'">';
@@ -589,7 +589,7 @@ foreach ($myTmpObjects as $myTmpObjectKey => $myTmpObjectArray) {
 										// Default
 										print '<td class="center">';
 										$constforvar = 'WEBHOOK_'.strtoupper($myTmpObjectKey).'_ADDON';
-										if ($conf->global->$constforvar == $name) {
+										if (getDolGlobalString($constforvar) == $name) {
 											//print img_picto($langs->trans("Default"), 'on');
 											// Even if choice is the default value, we allow to disable it. Replace this with previous line if you need to disable unset
 											print '<a href="'.$_SERVER["PHP_SELF"].'?action=unsetdoc&token='.newToken().'&object='.urlencode(strtolower($myTmpObjectKey)).'&value='.urlencode($name).'&scan_dir='.urlencode($module->scandir).'&label='.urlencode($module->name).'&amp;type='.urlencode($type).'" alt="'.$langs->trans("Disable").'">'.img_picto($langs->trans("Enabled"), 'on').'</a>';
diff --git a/htdocs/admin/workstation.php b/htdocs/admin/workstation.php
index e1a73810eb1..de2e7de2e74 100644
--- a/htdocs/admin/workstation.php
+++ b/htdocs/admin/workstation.php
@@ -120,7 +120,7 @@ if ($action == 'updateMask') {
 	$ret = delDocumentModel($value, $type);
 	if ($ret > 0) {
 		$constforval = strtoupper($tmpobjectkey).'_ADDON_PDF';
-		if ($conf->global->$constforval == "$value") {
+		if (getDolGlobalString($constforval) == "$value") {
 			dolibarr_del_const($db, $constforval, $conf->entity);
 		}
 	}
diff --git a/htdocs/api/class/api_setup.class.php b/htdocs/api/class/api_setup.class.php
index 292add085d2..370f407a1de 100644
--- a/htdocs/api/class/api_setup.class.php
+++ b/htdocs/api/class/api_setup.class.php
@@ -2098,7 +2098,7 @@ class Setup extends DolibarrApi
 					// Value found
 					$value = '';
 					if ($constname && getDolGlobalString($constname) != '') {
-						$value = $conf->global->$constname;
+						$value = getDolGlobalString($constname);
 					}
 					$valueforchecksum = (empty($value) ? '0' : $value);
 
diff --git a/htdocs/asset/admin/setup.php b/htdocs/asset/admin/setup.php
index a184f667b8e..4232e60e481 100644
--- a/htdocs/asset/admin/setup.php
+++ b/htdocs/asset/admin/setup.php
@@ -139,7 +139,7 @@ if ($action == 'updateMask') {
 		$tmpobjectkey = GETPOST('object');
 		if (!empty($tmpobjectkey)) {
 			$constforval = 'ASSET_'.strtoupper($tmpobjectkey).'_ADDON_PDF';
-			if ($conf->global->$constforval == "$value") {
+			if (getDolGlobalString($constforval) == "$value") {
 				dolibarr_del_const($db, $constforval, $conf->entity);
 			}
 		}
diff --git a/htdocs/bookcal/admin/setup.php b/htdocs/bookcal/admin/setup.php
index 5ddcffd25a7..7117deee8e1 100644
--- a/htdocs/bookcal/admin/setup.php
+++ b/htdocs/bookcal/admin/setup.php
@@ -188,7 +188,7 @@ if ($action == 'updateMask') {
 		$tmpobjectkey = GETPOST('object');
 		if (!empty($tmpobjectkey)) {
 			$constforval = 'BOOKCAL_'.strtoupper($tmpobjectkey).'_ADDON_PDF';
-			if ($conf->global->$constforval == "$value") {
+			if (getDolGlobalString($constforval) == "$value") {
 				dolibarr_del_const($db, $constforval, $conf->entity);
 			}
 		}
diff --git a/htdocs/core/lib/functions2.lib.php b/htdocs/core/lib/functions2.lib.php
index 3ff44d56866..906a658b445 100644
--- a/htdocs/core/lib/functions2.lib.php
+++ b/htdocs/core/lib/functions2.lib.php
@@ -1893,8 +1893,7 @@ function getListOfModels($db, $type, $maxfilenamelength = 0)
 				include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
 				$const = $obj->description;
-				//irtoscan.=($dirtoscan?',':'').preg_replace('/[\r\n]+/',',',trim($conf->global->$const));
-				$dirtoscan = preg_replace('/[\r\n]+/', ',', trim($conf->global->$const));
+				$dirtoscan = preg_replace('/[\r\n]+/', ',', trim(getDolGlobalString($const)));
 
 				$listoffiles = array();
 
diff --git a/htdocs/product/admin/product.php b/htdocs/product/admin/product.php
index 87fd2ce60ae..22e4294eead 100644
--- a/htdocs/product/admin/product.php
+++ b/htdocs/product/admin/product.php
@@ -765,7 +765,7 @@ if (getDolGlobalString('PRODUCT_CANVAS_ABILITY')) {
 
 						$const = "PRODUCT_SPECIAL_".strtoupper($file);
 
-						if ($conf->global->$const) {
+						if (getDolGlobalString($const)) {
 							print img_picto($langs->trans("Active"), 'tick');
 							print '</td><td class="right">';
 							print '<a href="'.$_SERVER["PHP_SELF"].'?action=set&token='.newToken().'&spe='.urlencode($file).'&value=0">'.$langs->trans("Disable").'</a>';
diff --git a/htdocs/recruitment/admin/setup.php b/htdocs/recruitment/admin/setup.php
index d3f56a73092..02c9ceeb336 100644
--- a/htdocs/recruitment/admin/setup.php
+++ b/htdocs/recruitment/admin/setup.php
@@ -153,7 +153,7 @@ if ($action == 'updateMask') {
 		$tmpobjectkey = GETPOST('object');
 		if (!empty($tmpobjectkey)) {
 			$constforval = 'RECRUITMENT_'.strtoupper($tmpobjectkey).'_ADDON_PDF';
-			if ($conf->global->$constforval == "$value") {
+			if (getDolGlobalString($constforval) == "$value") {
 				dolibarr_del_const($db, $constforval, $conf->entity);
 			}
 		}
diff --git a/htdocs/recruitment/admin/setup_candidatures.php b/htdocs/recruitment/admin/setup_candidatures.php
index 9d8e60e44c0..487f39dad84 100644
--- a/htdocs/recruitment/admin/setup_candidatures.php
+++ b/htdocs/recruitment/admin/setup_candidatures.php
@@ -153,7 +153,7 @@ if ($action == 'updateMask') {
 	$ret = delDocumentModel($value, $type);
 	if ($ret > 0) {
 		$constforval = 'RECRUITMENT_'.strtoupper($tmpobjectkey).'_ADDON_PDF';
-		if ($conf->global->$constforval == "$value") {
+		if (getDolGlobalString($constforval) == "$value") {
 			dolibarr_del_const($db, $constforval, $conf->entity);
 		}
 	}
diff --git a/htdocs/takepos/index.php b/htdocs/takepos/index.php
index b3abbe70756..1380c032c86 100644
--- a/htdocs/takepos/index.php
+++ b/htdocs/takepos/index.php
@@ -1223,7 +1223,7 @@ if (isset($_SESSION["takeposterminal"]) && $_SESSION["takeposterminal"]) {
 
 			$constantforkey = "CASHDESK_ID_BANKACCOUNT_" . $paycode . $_SESSION["takeposterminal"];
 			//var_dump($constantforkey.' '.getDolGlobalInt($constantforkey));
-			if (!empty($conf->global->$constantforkey) && getDolGlobalInt($constantforkey) > 0) {
+			if (getDolGlobalInt($constantforkey) > 0) {
 				array_push($paiementsModes, $obj);
 			}
 		}
diff --git a/htdocs/takepos/invoice.php b/htdocs/takepos/invoice.php
index 094c65fdf84..f76069a7d23 100644
--- a/htdocs/takepos/invoice.php
+++ b/htdocs/takepos/invoice.php
@@ -323,11 +323,11 @@ if (empty($reshook)) {
 					$prod_batch->find(0, '', '', $line->batch, $line->fk_warehouse);
 					$mouvP = new MouvementStock($db);
 					$mouvP->origin = $invoice;
-					$mouvP->livraison($user, $line->fk_product, $conf->global->$constantforkey, $line->qty, $line->price, 'TakePOS', '', '', '', $prod_batch->batch, $line->batch);
+					$mouvP->livraison($user, $line->fk_product, getDolGlobalString($constantforkey), $line->qty, $line->price, 'TakePOS', '', '', '', $prod_batch->batch, $line->batch);
 				} else {
 					$mouvP = new MouvementStock($db);
 					$mouvP->origin = $invoice;
-					$mouvP->livraison($user, $line->fk_product, $conf->global->$constantforkey, $line->qty, $line->price, 'TakePOS', '', '', '');
+					$mouvP->livraison($user, $line->fk_product, getDolGlobalString($constantforkey), $line->qty, $line->price, 'TakePOS', '', '', '');
 				}
 			}
 		}
@@ -534,6 +534,7 @@ if (empty($reshook)) {
 			if (!empty($batch)) {
 				$action="setbatch";
 			} else {
+				$nbofsuggested = 0;
 				$prod->load_stock('warehouseopen');
 				$constantforkey = 'CASHDESK_ID_WAREHOUSE'.$_SESSION["takeposterminal"];
 				if ($prod->stock_warehouse[getDolGlobalString($constantforkey)]->detail_batch!="") {
@@ -561,7 +562,7 @@ if (empty($reshook)) {
 						print '<td class="left">';
 						$staticwarehouse = new Entrepot($db);
 						if ($warehouse_id > 0) {
-							$staticwarehouse->fetch($conf->global->$constantforkey);
+							$staticwarehouse->fetch(getDolGlobalString($constantforkey));
 						}
 						$detail = '';
 						$detail .= $langs->trans("LotSerial").': '.$dbatch->batch;