diff --git a/htdocs/ecm/class/htmlecm.form.class.php b/htdocs/ecm/class/htmlecm.form.class.php
index db3355bce2b..b6000cad923 100644
--- a/htdocs/ecm/class/htmlecm.form.class.php
+++ b/htdocs/ecm/class/htmlecm.form.class.php
@@ -27,7 +27,10 @@ require_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmdirectory.class.php';
  */
 class FormEcm
 {
-	var $db;
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 	
 	/**
 	 * @var string Error code (or message)
diff --git a/htdocs/expedition/class/expedition.class.php b/htdocs/expedition/class/expedition.class.php
index 448b13f43fa..e9246cbe751 100644
--- a/htdocs/expedition/class/expedition.class.php
+++ b/htdocs/expedition/class/expedition.class.php
@@ -2278,7 +2278,10 @@ class ExpeditionLigne extends CommonObjectLine
 	 */
 	public $fk_expedition;
 
-	var $db;
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 
 	// From llx_expeditiondet
 	var $qty;
diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index 6271ef7ffdb..821590365d8 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -2378,7 +2378,10 @@ class ExpenseReport extends CommonObject
  */
 class ExpenseReportLine
 {
-    var $db;
+    /**
+     * @var DoliDB Database handler.
+     */
+    public $db;
     
     /**
 	 * @var string Error code (or message)
diff --git a/htdocs/exports/class/export.class.php b/htdocs/exports/class/export.class.php
index 050318944d6..4725ea758d5 100644
--- a/htdocs/exports/class/export.class.php
+++ b/htdocs/exports/class/export.class.php
@@ -30,7 +30,10 @@
  */
 class Export
 {
-	var $db;
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 
 	var $array_export_code=array();             // Tableau de "idmodule_numlot"
 	var $array_export_module=array();           // Tableau de "nom de modules"
diff --git a/htdocs/fichinter/class/fichinter.class.php b/htdocs/fichinter/class/fichinter.class.php
index d7c2d871824..2c6c8fef402 100644
--- a/htdocs/fichinter/class/fichinter.class.php
+++ b/htdocs/fichinter/class/fichinter.class.php
@@ -1309,7 +1309,10 @@ class Fichinter extends CommonObject
  */
 class FichinterLigne extends CommonObjectLine
 {
-	var $db;
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 	
 	/**
 	 * @var string Error code (or message)
diff --git a/htdocs/fourn/class/fournisseur.product.class.php b/htdocs/fourn/class/fournisseur.product.class.php
index 4180ecaf3d0..da9549bb4ce 100644
--- a/htdocs/fourn/class/fournisseur.product.class.php
+++ b/htdocs/fourn/class/fournisseur.product.class.php
@@ -37,7 +37,10 @@ require_once DOL_DOCUMENT_ROOT.'/product/dynamic_price/class/price_parser.class.
  */
 class ProductFournisseur extends Product
 {
-    var $db;
+    /**
+     * @var DoliDB Database handler.
+     */
+    public $db;
     
     /**
 	 * @var string Error code (or message)
diff --git a/htdocs/livraison/class/livraison.class.php b/htdocs/livraison/class/livraison.class.php
index 46b3c113ff2..bac832f013e 100644
--- a/htdocs/livraison/class/livraison.class.php
+++ b/htdocs/livraison/class/livraison.class.php
@@ -1057,7 +1057,10 @@ class Livraison extends CommonObject
  */
 class LivraisonLigne extends CommonObjectLine
 {
-	var $db;
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 
 	// From llx_expeditiondet
 	var $qty;
diff --git a/htdocs/mailmanspip/class/mailmanspip.class.php b/htdocs/mailmanspip/class/mailmanspip.class.php
index 1630e61ce33..683e8c25414 100644
--- a/htdocs/mailmanspip/class/mailmanspip.class.php
+++ b/htdocs/mailmanspip/class/mailmanspip.class.php
@@ -38,7 +38,10 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
  */
 class MailmanSpip
 {
-    var $db;
+    /**
+     * @var DoliDB Database handler.
+     */
+    public $db;
     
     /**
 	 * @var string Error code (or message)
diff --git a/htdocs/modulebuilder/template/core/modules/mailings/mailinglist_mymodule_myobject.modules.php b/htdocs/modulebuilder/template/core/modules/mailings/mailinglist_mymodule_myobject.modules.php
index cd8612cb7d1..533f07b3ba2 100644
--- a/htdocs/modulebuilder/template/core/modules/mailings/mailinglist_mymodule_myobject.modules.php
+++ b/htdocs/modulebuilder/template/core/modules/mailings/mailinglist_mymodule_myobject.modules.php
@@ -27,7 +27,11 @@ class mailing_mailinglist_mymodule_myobject extends MailingTargets
 	var $enabled=0;
 	var $require_module=array();
 	var $picto='mymodule@mymodule';
-	var $db;
+	
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 
 
 	/**
diff --git a/htdocs/product/class/html.formproduct.class.php b/htdocs/product/class/html.formproduct.class.php
index 53368c0a114..9161581eaae 100644
--- a/htdocs/product/class/html.formproduct.class.php
+++ b/htdocs/product/class/html.formproduct.class.php
@@ -29,7 +29,10 @@ require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
  */
 class FormProduct
 {
-	var $db;
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 	
 	/**
 	 * @var string Error code (or message)
diff --git a/htdocs/product/dynamic_price/class/price_expression.class.php b/htdocs/product/dynamic_price/class/price_expression.class.php
index 958647da0a6..282c1eadf45 100644
--- a/htdocs/product/dynamic_price/class/price_expression.class.php
+++ b/htdocs/product/dynamic_price/class/price_expression.class.php
@@ -29,7 +29,10 @@
  */
 class PriceExpression
 {
-	var $db;							//!< To store db handler
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 	
 	/**
 	 * @var string Error code (or message)
diff --git a/htdocs/product/dynamic_price/class/price_global_variable.class.php b/htdocs/product/dynamic_price/class/price_global_variable.class.php
index f09fbd2643f..923c957f051 100644
--- a/htdocs/product/dynamic_price/class/price_global_variable.class.php
+++ b/htdocs/product/dynamic_price/class/price_global_variable.class.php
@@ -29,7 +29,10 @@
  */
 class PriceGlobalVariable
 {
-    var $db;							//!< To store db handler
+    /**
+     * @var DoliDB Database handler.
+     */
+    public $db;
    
     /**
 	 * @var string Error code (or message)
diff --git a/htdocs/product/dynamic_price/class/price_global_variable_updater.class.php b/htdocs/product/dynamic_price/class/price_global_variable_updater.class.php
index 1cd6318494b..b4fa966119b 100644
--- a/htdocs/product/dynamic_price/class/price_global_variable_updater.class.php
+++ b/htdocs/product/dynamic_price/class/price_global_variable_updater.class.php
@@ -29,7 +29,10 @@
  */
 class PriceGlobalVariableUpdater
 {
-    var $db;							//!< To store db handler
+    /**
+     * @var DoliDB Database handler.
+     */
+    public $db;
     
     /**
 	 * @var string Error code (or message)
diff --git a/htdocs/resource/class/html.formresource.class.php b/htdocs/resource/class/html.formresource.class.php
index 8a6f9d96c28..2aa19ac66b5 100644
--- a/htdocs/resource/class/html.formresource.class.php
+++ b/htdocs/resource/class/html.formresource.class.php
@@ -33,7 +33,10 @@ require_once DOL_DOCUMENT_ROOT ."/resource/class/dolresource.class.php";
  */
 class FormResource
 {
-    var $db;
+    /**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 
     var $substit=array();
     var $param=array();
diff --git a/htdocs/societe/canvas/actions_card_common.class.php b/htdocs/societe/canvas/actions_card_common.class.php
index 0243bc7d719..61e0a09f556 100644
--- a/htdocs/societe/canvas/actions_card_common.class.php
+++ b/htdocs/societe/canvas/actions_card_common.class.php
@@ -27,7 +27,11 @@
  */
 abstract class ActionsCardCommon
 {
-    var $db;
+    /**
+     * @var DoliDB Database handler.
+     */
+    public $db;
+    
     var $dirmodule;
     var $targetmodule;
     var $canvas;
diff --git a/htdocs/stripe/class/actions_stripe.class.php b/htdocs/stripe/class/actions_stripe.class.php
index 141efcf7a47..4fa83f5fe0e 100644
--- a/htdocs/stripe/class/actions_stripe.class.php
+++ b/htdocs/stripe/class/actions_stripe.class.php
@@ -36,8 +36,10 @@ $langs->load("stripe@stripe");
  */
 class ActionsStripeconnect
 {
-	/** @var DoliDB */
-	var $db;
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
 
 	private $config=array();
 
diff --git a/htdocs/supplier_proposal/class/supplier_proposal.class.php b/htdocs/supplier_proposal/class/supplier_proposal.class.php
index 1ffe4465d86..16aad03cee3 100644
--- a/htdocs/supplier_proposal/class/supplier_proposal.class.php
+++ b/htdocs/supplier_proposal/class/supplier_proposal.class.php
@@ -2636,7 +2636,10 @@ class SupplierProposal extends CommonObject
  */
 class SupplierProposalLine extends CommonObjectLine
 {
-    var $db;
+    /**
+     * @var DoliDB Database handler.
+     */
+    public $db;
     
     /**
 	 * @var string Error code (or message)