diff --git a/htdocs/adherents/canvas/actions_adherentcard_common.class.php b/htdocs/adherents/canvas/actions_adherentcard_common.class.php
index 9987f9bc530..6a8660c7f46 100644
--- a/htdocs/adherents/canvas/actions_adherentcard_common.class.php
+++ b/htdocs/adherents/canvas/actions_adherentcard_common.class.php
@@ -55,6 +55,8 @@ abstract class ActionsAdherentCardCommon
 	 */
 	private function getInstanceDao()
 	{
+		dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 		if (! is_object($this->object))
 		{
 			$modelclassfile = dol_buildpath('/'.$this->dirmodule.'/canvas/'.$this->canvas.'/dao_'.$this->targetmodule.'_'.$this->canvas.'.class.php');
diff --git a/htdocs/adherents/class/adherent_type.class.php b/htdocs/adherents/class/adherent_type.class.php
index ee15a261820..23ecfd6ea03 100644
--- a/htdocs/adherents/class/adherent_type.class.php
+++ b/htdocs/adherents/class/adherent_type.class.php
@@ -39,7 +39,6 @@ class AdherentType extends CommonObject
 
     /**
      * @var int
-     * @deprecated Use rowid
      */
     public $ref;
 
diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index 222ec7ca713..36251073028 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -1228,6 +1228,11 @@ class Categorie extends CommonObject
 	 */
 	function containing($id,$type,$mode='object')
 	{
+		// Deprecation warning
+		if (is_numeric($type)) {
+			dol_syslog(__METHOD__ . ': using numeric types is deprecated.', LOG_WARNING);
+		}
+
 		$cats = array();
 
 		// For backward compatibility
@@ -1284,6 +1289,11 @@ class Categorie extends CommonObject
 	 */
 	function rechercher($id, $nom, $type, $exact = false, $case = false)
 	{
+		// Deprecation warning
+		if (is_numeric($type)) {
+			dol_syslog(__METHOD__ . ': using numeric types is deprecated.', LOG_WARNING);
+		}
+
 		$cats = array();
 
 		// For backward compatibility
diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index fcb3444be10..0b75ea73e98 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -96,7 +96,7 @@ if (GETPOST('removedassigned') || GETPOST('removedassigned') == '0')
 {
 	$idtoremove=GETPOST('removedassigned');
 
-	if (! empty($_SESSION['assignedtouser'])) $tmpassigneduserids=dol_json_decode($_SESSION['assignedtouser'],1);
+	if (! empty($_SESSION['assignedtouser'])) $tmpassigneduserids=json_decode($_SESSION['assignedtouser'],1);
 	else $tmpassigneduserids=array();
 
 	foreach ($tmpassigneduserids as $key => $val)
@@ -104,7 +104,7 @@ if (GETPOST('removedassigned') || GETPOST('removedassigned') == '0')
 		if ($val['id'] == $idtoremove || $val['id'] == -1) unset($tmpassigneduserids[$key]);
 	}
 	//var_dump($_POST['removedassigned']);exit;
-	$_SESSION['assignedtouser']=dol_json_encode($tmpassigneduserids);
+	$_SESSION['assignedtouser']=json_encode($tmpassigneduserids);
 	$donotclearsession=1;
 	if ($action == 'add') $action = 'create';
 	if ($action == 'update') $action = 'edit';
@@ -119,10 +119,10 @@ if (GETPOST('addassignedtouser') || GETPOST('updateassignedtouser'))
 		$assignedtouser=array();
 		if (! empty($_SESSION['assignedtouser']))
 		{
-			$assignedtouser=dol_json_decode($_SESSION['assignedtouser'], true);
+			$assignedtouser=json_decode($_SESSION['assignedtouser'], true);
 		}
 		$assignedtouser[GETPOST('assignedtouser')]=array('id'=>GETPOST('assignedtouser'), 'transparency'=>GETPOST('transparency'),'mandatory'=>1);
-		$_SESSION['assignedtouser']=dol_json_encode($assignedtouser);
+		$_SESSION['assignedtouser']=json_encode($assignedtouser);
 	}
 	$donotclearsession=1;
 	if ($action == 'add') $action = 'create';
@@ -215,7 +215,7 @@ if ($action == 'add')
 		$object->duree=((float) (GETPOST('dureehour') * 60) + (float) GETPOST('dureemin')) * 60;
 
 		$listofuserid=array();
-		if (! empty($_SESSION['assignedtouser'])) $listofuserid=dol_json_decode($_SESSION['assignedtouser']);
+		if (! empty($_SESSION['assignedtouser'])) $listofuserid=json_decode($_SESSION['assignedtouser']);
 		$i=0;
 		foreach($listofuserid as $key => $value)
 		{
@@ -387,7 +387,7 @@ if ($action == 'update')
 		if (! empty($_SESSION['assignedtouser']))	// Now concat assigned users
 		{
 			// Restore array with key with same value than param 'id'
-			$tmplist1=dol_json_decode($_SESSION['assignedtouser'], true); $tmplist2=array();
+			$tmplist1=json_decode($_SESSION['assignedtouser'], true); $tmplist2=array();
 			foreach($tmplist1 as $key => $val)
 			{
 				if ($val['id'] > 0 && $val['id'] != $assignedtouser) $listofuserid[$val['id']]=$val;
@@ -677,13 +677,13 @@ if ($action == 'create')
 	{
 		$assignedtouser=GETPOST("assignedtouser")?GETPOST("assignedtouser"):(! empty($object->userownerid) && $object->userownerid > 0 ? $object->userownerid : $user->id);
 		if ($assignedtouser) $listofuserid[$assignedtouser]=array('id'=>$assignedtouser,'mandatory'=>0,'transparency'=>$object->transparency);	// Owner first
-		$_SESSION['assignedtouser']=dol_json_encode($listofuserid);
+		$_SESSION['assignedtouser']=json_encode($listofuserid);
 	}
 	else
 	{
 		if (!empty($_SESSION['assignedtouser']))
 		{
-			$listofuserid=dol_json_decode($_SESSION['assignedtouser'], true);
+			$listofuserid=json_decode($_SESSION['assignedtouser'], true);
 		}
 	}
 	print $form->select_dolusers_forevent(($action=='create'?'add':'update'), 'assignedtouser', 1, '', 0, '', '', 0, 0, 0, 'AND u.statut != 0');
@@ -929,13 +929,13 @@ if ($id > 0)
 					if ($val['id'] && $val['id'] != $object->userownerid) $listofuserid[$val['id']]=$val;
 				}
 			}
-			$_SESSION['assignedtouser']=dol_json_encode($listofuserid);
+			$_SESSION['assignedtouser']=json_encode($listofuserid);
 		}
 		else
 		{
 			if (!empty($_SESSION['assignedtouser']))
 			{
-				$listofuserid=dol_json_decode($_SESSION['assignedtouser'], true);
+				$listofuserid=json_decode($_SESSION['assignedtouser'], true);
 			}
 		}
 		print $form->select_dolusers_forevent(($action=='create'?'add':'update'), 'assignedtouser', 1, '', 0, '', '', 0, 0, 0, 'AND u.statut != 0');
@@ -1101,13 +1101,13 @@ if ($id > 0)
 					if ($val['id'] && $val['id'] != $object->userownerid) $listofuserid[$val['id']]=$val;
 				}
 			}
-			$_SESSION['assignedtouser']=dol_json_encode($listofuserid);
+			$_SESSION['assignedtouser']=json_encode($listofuserid);
 		}
 		else
 		{
 			if (!empty($_SESSION['assignedtouser']))
 			{
-				$listofuserid=dol_json_decode($_SESSION['assignedtouser'], true);
+				$listofuserid=json_decode($_SESSION['assignedtouser'], true);
 			}
 		}
 		print $form->select_dolusers_forevent('view','assignedtouser',1);
diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index fb4c6f45d84..530083fb30a 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -61,6 +61,7 @@ class ActionComm extends CommonObject
     /**
      * @var string
      * @deprecated Use $label
+     * @see label
      */
     public $libelle;
 
@@ -71,6 +72,7 @@ class ActionComm extends CommonObject
      * Object user that create action
      * @var User
      * @deprecated
+     * @see authorid
      */
     var $author;
 
@@ -78,6 +80,7 @@ class ActionComm extends CommonObject
      * Object user that modified action
      * @var User
      * @deprecated
+     * @see usermodid
      */
     var $usermod;
     var $authorid;		// Id user that create action
@@ -114,6 +117,7 @@ class ActionComm extends CommonObject
      * Object user of owner
      * @var User
      * @deprecated
+     * @see userownerid
      */
     var $usertodo;
 
@@ -121,6 +125,7 @@ class ActionComm extends CommonObject
      * Object user that did action
      * @var User
      * @deprecated
+     * @see userdoneid
      */
     var $userdone;
 
@@ -130,12 +135,16 @@ class ActionComm extends CommonObject
     /**
      * Company linked to action (optional)
      * @var Societe|null
+     * @deprecated
+     * @see socid
      */
     var $societe;
 
     /**
      * Contact linked to action (optional)
      * @var Contact|null
+     * @deprecated
+     * @see contactid
      */
     var $contact;
 
@@ -468,7 +477,7 @@ class ActionComm extends CommonObject
                 $this->fulldayevent			= $obj->fulldayevent;
                 $this->location				= $obj->location;
                 $this->transparency			= $obj->transparency;
-                $this->punctual				= $obj->punctual;
+                $this->punctual				= $obj->punctual;       // deprecated
 
                 $this->socid				= $obj->fk_soc;			// To have fetch_thirdparty method working
                 $this->contactid			= $obj->fk_contact;		// To have fetch_contact method working
diff --git a/htdocs/comm/action/document.php b/htdocs/comm/action/document.php
index 598b02ef0b8..d45a18e3e8c 100644
--- a/htdocs/comm/action/document.php
+++ b/htdocs/comm/action/document.php
@@ -186,13 +186,13 @@ if ($object->id > 0)
 				if ($val['id'] && $val['id'] != $object->userownerid) $listofuserid[$val['id']]=$val;
 			}
 		}
-		$_SESSION['assignedtouser']=dol_json_encode($listofuserid);
+		$_SESSION['assignedtouser']=json_encode($listofuserid);
 	}
 	else
 	{
 		if (!empty($_SESSION['assignedtouser']))
 		{
-			$listofuserid=dol_json_decode($_SESSION['assignedtouser'], true);
+			$listofuserid=json_decode($_SESSION['assignedtouser'], true);
 		}
 	}
 	print $form->select_dolusers_forevent('view','assignedtouser',1);
diff --git a/htdocs/comm/askpricesupplier/class/askpricesupplier.class.php b/htdocs/comm/askpricesupplier/class/askpricesupplier.class.php
index 2e39d8592cf..2854a0a0d4b 100644
--- a/htdocs/comm/askpricesupplier/class/askpricesupplier.class.php
+++ b/htdocs/comm/askpricesupplier/class/askpricesupplier.class.php
@@ -59,14 +59,42 @@ class AskPriceSupplier extends CommonObject
     var $client;		// Objet societe client (a charger par fetch_client)
 
     var $fk_project;
+	/**
+	 * @deprecated
+	 * @see user_author_id
+	 */
     var $author;
     var $ref;
 	var $ref_fourn;  //Reference saisie lors de l'ajout d'une ligne à la demande
     var $statut;					// 0 (draft), 1 (validated), 2 (signed), 3 (not signed), 4 (billed)
-    var $datec;						// Date of creation
     var $date;						// Date of proposal
     var $date_livraison;
 
+	/**
+	 * @deprecated
+	 * @see date_creation
+	 */
+	var $datec;
+
+	/**
+	 * Creation date
+	 * @var int
+	 */
+	public $date_creation;
+
+	/**
+	 * @deprecated
+	 * @see date_validation
+	 */
+	var $datev;
+
+	/**
+	 * Validation date
+	 * @var int
+	 */
+	public $date_validation;
+
+
     var $user_author_id;
     var $user_valid_id;
     var $user_close_id;
@@ -76,9 +104,22 @@ class AskPriceSupplier extends CommonObject
     var $total_localtax1;			// Total Local Taxes 1
     var $total_localtax2;			// Total Local Taxes 2
     var $total_ttc;					// Total with tax
-    var $price;						// deprecated (for compatibility)
-    var $tva;						// deprecated (for compatibility)
-    var $total;						// deprecated (for compatibility)
+
+	/**
+	 * @deprecated
+	 * @see price_ht
+	 */
+    var $price;
+	/**
+	 * @deprecated
+	 * @see total_tva
+	 */
+    var $tva;
+	/**
+	 * @deprecated
+	 * @see total_ttc
+	 */
+    var $total;
 
     var $cond_reglement_id;
     var $cond_reglement_code;
@@ -88,7 +129,11 @@ class AskPriceSupplier extends CommonObject
     var $remise;
     var $remise_percent;
     var $remise_absolue;
-    var $note;						// deprecated (for compatibility)
+	/**
+	 * @deprecated
+	 * @see note_public, note_private
+	 */
+    var $note;
     var $note_private;
     var $note_public;
     var $shipping_method_id;
@@ -1031,7 +1076,7 @@ class AskPriceSupplier extends CommonObject
                 $this->remise               = $obj->remise;
                 $this->remise_percent       = $obj->remise_percent;
                 $this->remise_absolue       = $obj->remise_absolue;
-                $this->total                = $obj->total; // TODO obsolete
+                $this->total                = $obj->total; // TODO deprecated
                 $this->total_ht             = $obj->total_ht;
                 $this->total_tva            = $obj->tva;
                 $this->total_localtax1		= $obj->localtax1;
@@ -1040,14 +1085,14 @@ class AskPriceSupplier extends CommonObject
                 $this->socid                = $obj->fk_soc;
                 $this->fk_project           = $obj->fk_projet;
                 $this->modelpdf             = $obj->model_pdf;
-                $this->note                 = $obj->note_private; // TODO obsolete
+                $this->note                 = $obj->note_private; // TODO deprecated
                 $this->note_private         = $obj->note_private;
                 $this->note_public          = $obj->note_public;
                 $this->statut               = $obj->fk_statut;
                 $this->statut_libelle       = $obj->statut_label;
 
-                $this->datec                = $this->db->jdate($obj->datec); // TODO obsolete
-                $this->datev                = $this->db->jdate($obj->datev); // TODO obsolete
+                $this->datec                = $this->db->jdate($obj->datec); // TODO deprecated
+                $this->datev                = $this->db->jdate($obj->datev); // TODO deprecated
                 $this->date_creation		= $this->db->jdate($obj->datec); //Creation date
                 $this->date_validation		= $this->db->jdate($obj->datev); //Validation date
                 $this->date_livraison       = $this->db->jdate($obj->date_livraison);
@@ -2431,7 +2476,17 @@ class AskPriceSupplierLine  extends CommonObject
     var $fk_parent_line;
     var $desc;          	// Description ligne
     var $fk_product;		// Id produit predefini
-    var $product_type = 0;	// Type 0 = product, 1 = Service
+	/**
+	 * @deprecated
+	 * @see product_type
+	 */
+	var $fk_product_type;
+	/**
+	 * Product type
+	 * @var int
+	 * @see Product::TYPE_PRODUCT, Product::TYPE_SERVICE
+	 */
+    public $product_type = Product::TYPE_PRODUCT;
 
     var $qty;
     var $tva_tx;
@@ -2459,14 +2514,43 @@ class AskPriceSupplierLine  extends CommonObject
     var $total_tva;			// Total TVA  de la ligne toute quantite et incluant la remise ligne
     var $total_ttc;			// Total TTC de la ligne toute quantite et incluant la remise ligne
 
-    // Ne plus utiliser
+	/**
+	 * @deprecated
+	 * @see remise_percent, fk_remise_except
+	 */
     var $remise;
+	/**
+	 * @deprecated
+	 * @see subprice
+	 */
     var $price;
 
     // From llx_product
-    var $ref;						// Reference produit
-    var $libelle;       // Label produit
-    var $product_desc;  // Description produit
+	/**
+	 * @deprecated
+	 * @see product_ref
+	 */
+	var $ref;
+	/**
+	 * Product reference
+	 * @var string
+	 */
+	public $product_ref;
+	/**
+	 * @deprecated
+	 * @see product_label
+	 */
+	var $libelle;
+	/**
+	 *  Product label
+	 * @var string
+	 */
+	public $product_label;
+	/**
+	 * Product description
+	 * @var string
+	 */
+	public $product_desc;
 
     var $localtax1_tx;		// Local tax 1
     var $localtax2_tx;		// Local tax 2
diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index af46db14d9a..9e0d6c49b84 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -75,26 +75,35 @@ class Propal extends CommonObject
 
 	/**
 	 * Status of the quote
-	 * Check the following constants:
-	 * - STATUS_DRAFT
-	 * - STATUS_VALIDATED
-	 * - STATUS_SIGNED
-	 * - STATUS_NOTSIGNED
-	 * - STATUS_BILLED
 	 * @var int
+	 * @see Propal::STATUS_DRAFT, Propal::STATUS_VALIDATED, Propal::STATUS_SIGNED, Propal::STATUS_NOTSIGNED, Propal::STATUS_BILLED
 	 */
     var $statut;
 
 	/**
-	 * Date of creation
-	 * @var
+	 * @deprecated
+	 * @see date_creation
 	 */
     var $datec;
+
 	/**
-	 * Date of validation
-	 * @var
+	 * Creation date
+	 * @var int
+	 */
+	public $date_creation;
+
+	/**
+	 * @deprecated
+	 * @see date_validation
 	 */
     var $datev;
+
+	/**
+	 * Validation date
+	 * @var int
+	 */
+	public $date_validation;
+
 	/**
 	 * Date of the quote
 	 * @var
@@ -102,8 +111,8 @@ class Propal extends CommonObject
     var $date;
 
 	/**
-	 * Same than date ¿?
-	 * @var
+	 * @deprecated
+	 * @see date
 	 */
     var $datep;
     var $date_livraison;
@@ -121,14 +130,17 @@ class Propal extends CommonObject
 
 	/**
 	 * @deprecated
+	 * @see total_ht
 	 */
     var $price;
 	/**
 	 * @deprecated
+	 * @see total_tva
 	 */
     var $tva;
 	/**
 	 * @deprecated
+	 * @see total_ttc
 	 */
     var $total;
 
@@ -142,6 +154,7 @@ class Propal extends CommonObject
     var $remise_absolue;
 	/**
 	 * @deprecated
+	 * @see note_private, note_public
 	 */
     var $note;
     var $note_private;
@@ -1222,7 +1235,7 @@ class Propal extends CommonObject
                 $this->remise               = $obj->remise;
                 $this->remise_percent       = $obj->remise_percent;
                 $this->remise_absolue       = $obj->remise_absolue;
-                $this->total                = $obj->total; // TODO obsolete
+                $this->total                = $obj->total; // TODO deprecated
                 $this->total_ht             = $obj->total_ht;
                 $this->total_tva            = $obj->tva;
                 $this->total_localtax1		= $obj->localtax1;
@@ -1231,14 +1244,14 @@ class Propal extends CommonObject
                 $this->socid                = $obj->fk_soc;
                 $this->fk_project           = $obj->fk_projet;
                 $this->modelpdf             = $obj->model_pdf;
-                $this->note                 = $obj->note_private; // TODO obsolete
+                $this->note                 = $obj->note_private; // TODO deprecated
                 $this->note_private         = $obj->note_private;
                 $this->note_public          = $obj->note_public;
                 $this->statut               = $obj->fk_statut;
                 $this->statut_libelle       = $obj->statut_label;
 
-                $this->datec                = $this->db->jdate($obj->datec); // TODO obsolete
-                $this->datev                = $this->db->jdate($obj->datev); // TODO obsolete
+                $this->datec                = $this->db->jdate($obj->datec); // TODO deprecated
+                $this->datev                = $this->db->jdate($obj->datev); // TODO deprecated
                 $this->date_creation		= $this->db->jdate($obj->datec); //Creation date
                 $this->date_validation		= $this->db->jdate($obj->datev); //Validation date
                 $this->date                 = $this->db->jdate($obj->dp);	// Proposal date
@@ -1967,9 +1980,12 @@ class Propal extends CommonObject
      *
      *	@return     int     	<0 si ko, >0 si ok
      *  @deprecated
+     * @see classifyBilled()
      */
     function classer_facturee()
     {
+		dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
     	return $this->classifyBilled();
     }
 
@@ -2724,7 +2740,7 @@ class Propal extends CommonObject
      *	Return clicable link of object (with eventually picto)
      *
      *	@param      int		$withpicto		Add picto into link
-     *	@param      string	$option			Where point the link ('compta', 'expedition', 'document', ...)
+     *	@param      string	$option			Where point the link ('expedition', 'document', ...)
      *	@param      string	$get_params    	Parametres added to url
      *	@return     string          		String with URL
      */
@@ -2912,17 +2928,19 @@ class PropaleLigne  extends CommonObjectLine
     var $oldline;
 
     // From llx_propaldet
-    var $rowid;
     var $fk_propal;
     var $fk_parent_line;
     var $desc;          	// Description ligne
     var $fk_product;		// Id produit predefini
+	/**
+	 * @deprecated
+	 * @see product_type
+	 */
+	var $fk_product_type;
 	/**
 	 * Product type.
-	 * Use the following constants:
-	 * - Product::TYPE_PRODUCT
-	 * - Product::TYPE_SERVICE
 	 * @var int
+	 * @see Product::TYPE_PRODUCT, Product::TYPE_SERVICE
 	 */
     var $product_type = Product::TYPE_PRODUCT;
 
@@ -2952,14 +2970,43 @@ class PropaleLigne  extends CommonObjectLine
     var $total_tva;			// Total TVA  de la ligne toute quantite et incluant la remise ligne
     var $total_ttc;			// Total TTC de la ligne toute quantite et incluant la remise ligne
 
-    // Ne plus utiliser
+	/**
+	 * @deprecated
+	 * @see $remise_percent, $fk_remise_except
+	 */
     var $remise;
+	/**
+	 * @deprecated
+	 * @see subprice
+	 */
     var $price;
 
     // From llx_product
-    var $ref;						// Reference produit
-    var $libelle;       // Label produit
-    var $product_desc;  // Description produit
+	/**
+	 * @deprecated
+	 * @see product_ref
+	 */
+    var $ref;
+	/**
+	 * Product reference
+	 * @var string
+	 */
+	public $product_ref;
+	/**
+	 * @deprecated
+	 * @see product_label
+	 */
+    var $libelle;
+	/**
+	 *  Product label
+	 * @var string
+	 */
+	public $product_label;
+	/**
+	 * Product description
+	 * @var string
+	 */
+    public $product_desc;
 
     var $localtax1_tx;		// Local tax 1
     var $localtax2_tx;		// Local tax 2
@@ -3007,7 +3054,8 @@ class PropaleLigne  extends CommonObjectLine
 		{
 			$objp = $this->db->fetch_object($result);
 
-			$this->rowid			= $objp->rowid;
+			$this->id               = $objp->rowid;
+			$this->rowid			= $objp->rowid;     // deprecated
 			$this->fk_propal		= $objp->fk_propal;
 			$this->fk_parent_line	= $objp->fk_parent_line;
 			$this->label			= $objp->custom_label;
@@ -3016,7 +3064,7 @@ class PropaleLigne  extends CommonObjectLine
 			$this->price			= $objp->price;		// deprecated
 			$this->subprice			= $objp->subprice;
 			$this->tva_tx			= $objp->tva_tx;
-			$this->remise			= $objp->remise;
+			$this->remise			= $objp->remise;    // deprecated
 			$this->remise_percent	= $objp->remise_percent;
 			$this->fk_remise_except = $objp->fk_remise_except;
 			$this->fk_product		= $objp->fk_product;
diff --git a/htdocs/commande/apercu.php b/htdocs/commande/apercu.php
index e6878eef179..f3d83b837dd 100644
--- a/htdocs/commande/apercu.php
+++ b/htdocs/commande/apercu.php
@@ -129,7 +129,7 @@ if ($id > 0 || ! empty($ref))
 			print '</tr>';
 
 			// Si fichier detail PDF existe
-			// TODO obsolete ?
+			// TODO deprecated ?
 			if (file_exists($filedetail))
 			{
 				print "<tr ".$bc[$var]."><td>Commande detaillee</td>";
diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 18c8b554637..5fec34ecfd4 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -74,17 +74,15 @@ class Commande extends CommonOrder
 
 	/**
 	 * Status of the order. Check the following constants:
-	 * - STATUS_CANCELED
-	 * - STATUS_DRAFT
-	 * - STATUS_ACCEPTED
-	 * - STATUS_CLOSED
 	 * @var int
+	 * @see Commande::STATUS_CANCELED, Commande::STATUS_DRAFT, Commande::STATUS_ACCEPTED, Commande::STATUS_CLOSED
 	 */
     var $statut;
 	/**
 	 * @deprecated
+	 * @see billed
 	 */
-    var $facturee;		// deprecated
+    var $facturee;
     var $billed;		// billed or not
 
     var $brouillon;
@@ -100,7 +98,11 @@ class Commande extends CommonOrder
     var $fk_delivery_address;
     var $address;
     var $date;				// Date commande
-    var $date_commande;		// Date commande (deprecated)
+	/**
+	 * @deprecated
+	 * @see date
+	 */
+    var $date_commande;
     var $date_livraison;	// Date livraison souhaitee
     var $shipping_method_id;
     var $fk_remise_except;
@@ -116,7 +118,11 @@ class Commande extends CommonOrder
     var $rang;
     var $special_code;
     var $source;			// Origin of order
-    var $note;				// deprecated
+	/**
+	 * @deprecated
+	 * @see note_private, note_public
+	 */
+    var $note;
     var $note_private;
     var $note_public;
     var $extraparams=array();
@@ -1776,7 +1782,7 @@ class Commande extends CommonOrder
      *	@param      int		$filtre_statut      Filter on status
      * 	@return     int                			<0 if KO, Nb of lines found if OK
      *
-     *	TODO deprecated, move to Shipping class
+     *	TODO deprecate, move to Shipping class
      */
     function loadExpeditions($filtre_statut=-1)
     {
@@ -1823,7 +1829,7 @@ class Commande extends CommonOrder
      *
      * @return	int		Nb of shipments
      *
-     * TODO deprecated, move to Shipping class
+     * TODO deprecate, move to Shipping class
      */
     function nb_expedition()
     {
@@ -1849,7 +1855,7 @@ class Commande extends CommonOrder
      *	@param      int		$filtre_statut      Filtre sur statut
      *	@return     int                 		0 si OK, <0 si KO
      *
-     *	TODO  deprecated, move to Shipping class
+     *	TODO  deprecate, move to Shipping class
      */
     function livraison_array($filtre_statut=self::STATUS_CANCELED)
     {
@@ -2399,9 +2405,12 @@ class Commande extends CommonOrder
 	 *
 	 * @return     int     <0 if ko, >0 if ok
 	 * @deprecated
+	 * @see classifyBilled()
 	 */
 	function classer_facturee()
 	{
+		dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 		return $this->classifyBilled();
 	}
 
@@ -3346,6 +3355,7 @@ class OrderLine extends CommonOrderLine
 	 * Id of parent order
 	 * @var int
 	 * @deprecated Use fk_commande
+	 * @see fk_commande
 	 */
 	public $commande_id;
 
@@ -3367,6 +3377,7 @@ class OrderLine extends CommonOrderLine
 
 	/**
 	 * @deprecated
+	 * @see remise_percent, fk_remise_except
 	 */
 	var $remise;
 
diff --git a/htdocs/compta/bank/class/account.class.php b/htdocs/compta/bank/class/account.class.php
index c8badb1a880..f336cefda98 100644
--- a/htdocs/compta/bank/class/account.class.php
+++ b/htdocs/compta/bank/class/account.class.php
@@ -41,6 +41,7 @@ class Account extends CommonObject
     /**
      * @var	int		Use id instead of rowid
      * @deprecated
+     * @see id
      */
     var $rowid;
     var $id;
@@ -240,6 +241,11 @@ class Account extends CommonObject
      */
     function addline($date, $oper, $label, $amount, $num_chq, $categorie, $user, $emetteur='',$banque='')
     {
+	    // Deprecatîon warning
+	    if (is_numeric($oper)) {
+		    dol_syslog(__METHOD__ . ": using numeric operations is deprecated", LOG_WARNING);
+	    }
+
         // Clean parameters
         $emetteur=trim($emetteur);
         $banque=trim($banque);
diff --git a/htdocs/compta/deplacement/class/deplacement.class.php b/htdocs/compta/deplacement/class/deplacement.class.php
index dc2d281e2a1..f09875456c2 100644
--- a/htdocs/compta/deplacement/class/deplacement.class.php
+++ b/htdocs/compta/deplacement/class/deplacement.class.php
@@ -44,7 +44,11 @@ class Deplacement extends CommonObject
 	var $fk_user_author;
 	var $fk_user;
 	var $km;
-	var $note;			// TODO obsolete
+	/**
+	 * @deprecated
+	 * @see note_private, note_public
+	 */
+	var $note;			// TODO deprecated
 	var $note_private;
 	var $note_public;
 	var $socid;
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 075173d31c9..fc3d8936edf 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -92,18 +92,16 @@ class Facture extends CommonInvoice
 	var $revenuestamp;
 	/**
 	 * @deprecated
+	 * @see note_private, note_public
 	 */
 	var $note;
 	var $note_private;
 	var $note_public;
 
 	/**
-	 * Check constants for more info:
-	 * - STATUS_DRAFT
-	 * - STATUS_VALIDATED
-	 * - STATUS_PAID
-	 * - STATUS_ABANDONED
+	 * Invoice status
 	 * @var int
+	 * @see Facture::STATUS_DRAFT, Facture::STATUS_VALIDATED, Facture::STATUS_PAID, Facture::STATUS_ABANDONED
 	 */
 	var $statut;
 	//! Fermeture apres paiement partiel: discount_vat, badcustomer, abandon
@@ -131,6 +129,9 @@ class Facture extends CommonInvoice
 	 * @deprecated
 	 */
 	var $products=array();
+	/**
+	 * @var FactureLigne[]
+	 */
 	var $lines=array();
 	var $line;
 	var $extraparams=array();
@@ -1119,7 +1120,8 @@ class Facture extends CommonInvoice
 				$objp = $this->db->fetch_object($result);
 				$line = new FactureLigne($this->db);
 
-				$line->rowid	        = $objp->rowid;
+				$line->id               = $objp->rowid;
+				$line->rowid	        = $objp->rowid;             // deprecated
 				$line->label            = $objp->custom_label;		// deprecated
 				$line->desc             = $objp->description;		// Description line
 				$line->product_type     = $objp->product_type;		// Type of line
@@ -2105,6 +2107,11 @@ class Facture extends CommonInvoice
 	 */
 	function addline($desc, $pu_ht, $qty, $txtva, $txlocaltax1=0, $txlocaltax2=0, $fk_product=0, $remise_percent=0, $date_start='', $date_end='', $ventil=0, $info_bits=0, $fk_remise_except='', $price_base_type='HT', $pu_ttc=0, $type=self::TYPE_STANDARD, $rang=-1, $special_code=0, $origin='', $origin_id=0, $fk_parent_line=0, $fk_fournprice=null, $pa_ht=0, $label='', $array_options=0, $situation_percent=100, $fk_prev_id='', $fk_unit = null)
 	{
+		// Deprecation warning
+		if ($label) {
+			dol_syslog(__METHOD__ . ": using line label is deprecated", LOG_WARNING);
+		}
+
 		global $mysoc, $conf, $langs;
 
 		dol_syslog(get_class($this)."::addline facid=$this->id,desc=$desc,pu_ht=$pu_ht,qty=$qty,txtva=$txtva, txlocaltax1=$txlocaltax1, txlocaltax2=$txlocaltax2, fk_product=$fk_product,remise_percent=$remise_percent,date_start=$date_start,date_end=$date_end,ventil=$ventil,info_bits=$info_bits,fk_remise_except=$fk_remise_except,price_base_type=$price_base_type,pu_ttc=$pu_ttc,type=$type, fk_unit=$fk_unit", LOG_DEBUG);
@@ -2289,6 +2296,11 @@ class Facture extends CommonInvoice
 	 */
 	function updateline($rowid, $desc, $pu, $qty, $remise_percent, $date_start, $date_end, $txtva, $txlocaltax1=0, $txlocaltax2=0, $price_base_type='HT', $info_bits=0, $type= self::TYPE_STANDARD, $fk_parent_line=0, $skip_update_total=0, $fk_fournprice=null, $pa_ht=0, $label='', $special_code=0, $array_options=0, $situation_percent=0, $fk_unit = null)
 	{
+		// Deprecation warning
+		if ($label) {
+			dol_syslog(__METHOD__ . ": using line label is deprecated", LOG_WARNING);
+		}
+
 		include_once DOL_DOCUMENT_ROOT.'/core/lib/price.lib.php';
 
 		global $mysoc;
@@ -3685,7 +3697,10 @@ class FactureLigne extends CommonInvoiceLine
 	var $fk_facture;
 	//! Id parent line
 	var $fk_parent_line;
-	var $label;				// deprecated
+	/**
+	 * @deprecated
+	 */
+	var $label;
 	//! Description ligne
 	var $desc;
 
@@ -3717,8 +3732,16 @@ class FactureLigne extends CommonInvoiceLine
 	//var $remise;			// Montant calcule de la remise % sur PU HT (exemple 20)
 
 	// From llx_product
+	/**
+	 * @deprecated
+	 * @see product_ref
+	 */
 	var $ref;				// Product ref (deprecated)
 	var $product_ref;       // Product ref
+	/**
+	 * @deprecated
+	 * @see product_label
+	 */
 	var $libelle;      		// Product label (deprecated)
 	var $product_label;     // Product label
 	var $product_desc;  	// Description produit
diff --git a/htdocs/compta/paiement/class/paiement.class.php b/htdocs/compta/paiement/class/paiement.class.php
index 077bbde2420..60d669fcacf 100644
--- a/htdocs/compta/paiement/class/paiement.class.php
+++ b/htdocs/compta/paiement/class/paiement.class.php
@@ -40,7 +40,16 @@ class Paiement extends CommonObject
 	var $ref;
 	var $facid;
 	var $datepaye;
-    var $total;             // deprecated
+	/**
+	 * @deprecated
+	 * @see amount, amounts
+	 */
+    var $total;
+	/**
+	 * @deprecated
+	 * @see amount, amounts
+	 */
+	var $montant;
 	var $amount;            // Total amount of payment
 	var $amounts=array();   // Array of amounts
 	var $author;
diff --git a/htdocs/compta/sociales/class/paymentsocialcontribution.class.php b/htdocs/compta/sociales/class/paymentsocialcontribution.class.php
index d58e0add8ab..45b2c51acfa 100644
--- a/htdocs/compta/sociales/class/paymentsocialcontribution.class.php
+++ b/htdocs/compta/sociales/class/paymentsocialcontribution.class.php
@@ -40,6 +40,11 @@ class PaymentSocialContribution extends CommonObject
 	var $datec='';
 	var $tms='';
 	var $datep='';
+	/**
+	 * @deprecated
+	 * @see amount
+	 */
+	var $total;
     var $amount;            // Total amount of payment
     var $amounts=array();   // Array of amounts
 	var $fk_typepaiement;
diff --git a/htdocs/contact/canvas/actions_contactcard_common.class.php b/htdocs/contact/canvas/actions_contactcard_common.class.php
index 9e6624dda72..ad628fd6574 100644
--- a/htdocs/contact/canvas/actions_contactcard_common.class.php
+++ b/htdocs/contact/canvas/actions_contactcard_common.class.php
@@ -51,6 +51,8 @@ abstract class ActionsContactCardCommon
 	 */
 	private function getInstanceDao()
 	{
+		dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 		if (! is_object($this->object))
 		{
 			$modelclassfile = dol_buildpath('/'.$this->dirmodule.'/canvas/'.$this->canvas.'/dao_'.$this->targetmodule.'_'.$this->canvas.'.class.php');
diff --git a/htdocs/contact/class/contact.class.php b/htdocs/contact/class/contact.class.php
index ca85995a7d3..0e3c4b0a2bc 100644
--- a/htdocs/contact/class/contact.class.php
+++ b/htdocs/contact/class/contact.class.php
@@ -50,9 +50,21 @@ class Contact extends CommonObject
 	var $zip;
 	var $town;
 
-	var $fk_departement;		// deprecated
-	var $departement_code;		// deprecated
-	var $departement;			// deprecated
+	/**
+	 * @deprecated
+	 * @see state_id
+	 */
+	var $fk_departement;
+	/**
+	 * @deprecated
+	 * @see state_code
+	 */
+	var $departement_code;
+	/**
+	 * @deprecated
+	 * @see state
+	 */
+	var $departement;
 	var $state_id;	        	// Id of department
 	var $state_code;		    // Code of department
 	var $state;			        // Label of department
@@ -80,7 +92,11 @@ class Contact extends CommonObject
 	var $birthday;
 	var $default_lang;
     var $note_public;           // Public note
-	var $note;                  // deprecated
+	/**
+	 * @deprecated
+	 * @see note_public, note_private
+	 */
+	var $note;
 	var $note_private;			// Private note
     var $no_email;				// 1=Don't send e-mail to this contact, 0=do
 
diff --git a/htdocs/contrat/class/contrat.class.php b/htdocs/contrat/class/contrat.class.php
index 08bc8387387..fb0038b509f 100644
--- a/htdocs/contrat/class/contrat.class.php
+++ b/htdocs/contrat/class/contrat.class.php
@@ -154,6 +154,7 @@ class Contrat extends CommonObject
 
 	/**
 	 * @deprecated Use fk_project instead
+	 * @see fk_project
 	 */
 	var $fk_projet;
 
@@ -1642,6 +1643,8 @@ class Contrat extends CommonObject
 	 */
 	function update_statut($user)
 	{
+		dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 		// If draft, we keep it (should not happen)
 		if ($this->statut == 0) return 1;
 
@@ -2165,6 +2168,7 @@ class ContratLigne extends CommonObjectLine
 	/**
 	 * @var string
 	 * @deprecated Use $label instead
+	 * @see label
 	 */
 	public $libelle;
 
@@ -2189,6 +2193,7 @@ class ContratLigne extends CommonObjectLine
 	/**
 	 * @var float
 	 * @deprecated Use $price_ht instead
+	 * @see price_ht
 	 */
 	public $price;
 
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index c747f008d8b..9520425b6be 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -7,7 +7,7 @@
  * Copyright (C) 2012-2013 Christophe Battarel  <christophe.battarel@altairis.fr>
  * Copyright (C) 2011-2014 Philippe Grand	    <philippe.grand@atoo-net.com>
  * Copyright (C) 2012-2015 Marcos García        <marcosgdf@gmail.com>
- * Copyright (C) 2012-2014 Raphaël Doursenaud   <rdoursenaud@gpcsolutions.fr>
+ * Copyright (C) 2012-2015 Raphaël Doursenaud   <rdoursenaud@gpcsolutions.fr>
  * Copyright (C) 2012      Cedric Salvador      <csalvador@gpcsolutions.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -44,6 +44,7 @@ abstract class CommonObject
     /**
      * @var string 		Error string
      * @deprecated		Use instead the array of error strings
+     * @see             errors
      */
     public $error;
 
@@ -82,7 +83,7 @@ abstract class CommonObject
     public $errors=array();
 
     /**
-     * @var string		Can be used to pass information when only object is provided to method
+     * @var string[]	Can be used to pass information when only object is provided to method
      */
     public $context=array();
 
@@ -96,7 +97,24 @@ abstract class CommonObject
     public $lastname;
     public $firstname;
     public $civility_id;
+	/**
+	 * @deprecated
+	 * @see thirdparty
+	 */
+	public $client;
+	/**
+	 * @var Societe
+	 */
     public $thirdparty;
+	/**
+	 * @deprecated
+	 * @see project
+	 */
+	public $projet;
+	/**
+	 * @var Project
+	 */
+	public $project;
 
     // No constructor as it is an abstract class
 
@@ -1643,9 +1661,10 @@ abstract class CommonObject
     /**
      * 	Update public note (kept for backward compatibility)
      *
-     *  @param      string		$note		New value for note
-     *  @return     int      		   		<0 if KO, >0 if OK
-     *  @deprecated
+     * @param      string		$note		New value for note
+     * @return     int      		   		<0 if KO, >0 if OK
+     * @deprecated
+     * @see update_note()
      */
     function update_note_public($note)
     {
diff --git a/htdocs/core/class/commonobjectline.class.php b/htdocs/core/class/commonobjectline.class.php
index 07019a0fa1d..ef854a2452e 100644
--- a/htdocs/core/class/commonobjectline.class.php
+++ b/htdocs/core/class/commonobjectline.class.php
@@ -39,6 +39,7 @@ abstract class CommonObjectLine extends CommonObject
 	 * Id of the line
 	 * @var int
 	 * @deprecated Try to use id property as possible (even if field into database is still rowid)
+	 * @see id
 	 */
 	public $rowid;
 
diff --git a/htdocs/core/class/commonorder.class.php b/htdocs/core/class/commonorder.class.php
index b4882af8a58..5309b5524ee 100644
--- a/htdocs/core/class/commonorder.class.php
+++ b/htdocs/core/class/commonorder.class.php
@@ -43,6 +43,7 @@ abstract class CommonOrderLine extends CommonObjectLine
 	 * Product ref
 	 * @var string
 	 * @deprecated Use product_ref
+	 * @see product_ref
 	 */
 	public $ref;
 
@@ -56,6 +57,7 @@ abstract class CommonOrderLine extends CommonObjectLine
 	 * Product label
 	 * @var string
 	 * @deprecated Use product_label
+	 * @see product_label
 	 */
 	public $libelle;
 
@@ -78,7 +80,9 @@ abstract class CommonOrderLine extends CommonObjectLine
 	public $qty;
 
 	/**
+	 * Unit price
 	 * @deprecated
+	 * @see subprice
 	 */
 	var $price;
 
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 57d28784f66..bdb4f57a4cc 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -859,6 +859,7 @@ class Form
      *	@param	int		$limit			Maximum number of elements
      * 	@return	string					HTML string with
 	 *  @deprecated						Use select_thirdparty instead
+     *  @see select_thirdparty()
      */
     function select_company($selected='', $htmlname='socid', $filter='', $showempty=0, $showtype=0, $forcecombo=0, $events=array(), $limit=0)
     {
@@ -1228,6 +1229,7 @@ class Form
      *  @param	int		$force_entity	0 or Id of environment to force
      * 	@return	void
      *  @deprecated
+     *  @see select_dolusers()
      */
     function select_users($selected='',$htmlname='userid',$show_empty=0,$exclude='',$disabled=0,$include='',$enableonly='',$force_entity=0)
     {
@@ -1466,7 +1468,7 @@ class Form
 		$assignedtouser=array();
 		if (!empty($_SESSION['assignedtouser']))
 		{
-			$assignedtouser=dol_json_decode($_SESSION['assignedtouser'], true);
+			$assignedtouser=json_decode($_SESSION['assignedtouser'], true);
 		}
 		$nbassignetouser=count($assignedtouser);
 
@@ -3035,6 +3037,7 @@ class Form
      *     @param	int			$width				Force width of box
      *     @return 	void
      *     @deprecated
+     *     @see formconfirm()
      */
     function form_confirm($page, $title, $question, $action, $formquestion='', $selectedchoice="", $useajax=0, $height=170, $width=500)
     {
diff --git a/htdocs/core/class/html.formcompany.class.php b/htdocs/core/class/html.formcompany.class.php
index 19685bd950f..a005fb2b228 100644
--- a/htdocs/core/class/html.formcompany.class.php
+++ b/htdocs/core/class/html.formcompany.class.php
@@ -423,6 +423,7 @@ class FormCompany
 	 *    @param    string		$filter          	Add a SQL filter on list
 	 *    @return	void
 	 *    @deprecated Use print xxx->select_juridicalstatus instead
+	 *    @see select_juridicalstatus()
 	 */
 	function select_forme_juridique($selected='', $country_codeid=0, $filter='')
 	{
diff --git a/htdocs/core/class/html.formfile.class.php b/htdocs/core/class/html.formfile.class.php
index 926ee8a337a..2fea621626e 100644
--- a/htdocs/core/class/html.formfile.class.php
+++ b/htdocs/core/class/html.formfile.class.php
@@ -249,7 +249,7 @@ class FormFile
      *      @param      string				$modelselected      Model to preselect by default
      *      @param      string				$allowgenifempty	Allow generation even if list of template ($genallowed) is empty (show however a warning)
      *      @param      string				$forcenomultilang	Do not show language option (even if MAIN_MULTILANGS defined)
-     *      @param      int					$iconPDF            Obsolete, see getDocumentsLink
+     *      @param      int					$iconPDF            Deprecated, see getDocumentsLink
      * 		@param		int					$maxfilenamelength	Max length for filename shown
      * 		@param		string				$noform				Do not output html form tags
      * 		@param		string				$param				More param on http links
@@ -261,6 +261,11 @@ class FormFile
      */
     function showdocuments($modulepart,$modulesubdir,$filedir,$urlsource,$genallowed,$delallowed=0,$modelselected='',$allowgenifempty=1,$forcenomultilang=0,$iconPDF=0,$maxfilenamelength=28,$noform=0,$param='',$title='',$buttonlabel='',$codelang='',$morepicto='')
     {
+		// Deprecation warning
+		if (0 !== $iconPDF) {
+			dol_syslog(__METHOD__ . ": passing iconPDF parameter is deprecated", LOG_WARNING);
+		}
+
         global $langs, $conf, $user, $hookmanager;
         global $form, $bc;
 
diff --git a/htdocs/core/class/html.formmail.class.php b/htdocs/core/class/html.formmail.class.php
index 74fed3416e2..4e1a8ffc0c5 100644
--- a/htdocs/core/class/html.formmail.class.php
+++ b/htdocs/core/class/html.formmail.class.php
@@ -48,7 +48,16 @@ class FormMail extends Form
 
     var $withsubstit;			// Show substitution array
     var $withfrom;
-    var $withto;				// Show recipient emails
+	/**
+	 * @var int
+	 * @deprecated Fill withto with array before calling method.
+	 * @see withto
+	 */
+	public $withtosocid;
+	/**
+	 * @var int|int[]
+	 */
+    public $withto;				// Show recipient emails
     var $withtofree;			// Show free text for recipient emails
     var $withtocc;
     var $withtoccc;
diff --git a/htdocs/core/class/html.formother.class.php b/htdocs/core/class/html.formother.class.php
index 08c19463d27..5c2a3bc9274 100644
--- a/htdocs/core/class/html.formother.class.php
+++ b/htdocs/core/class/html.formother.class.php
@@ -592,6 +592,7 @@ class FormOther
      * 		@param 	array		$arrayofcolors	Array of colors. Example: array('29527A','5229A3','A32929','7A367A','B1365F','0D7813')
      * 		@return	void
      * 		@deprecated
+     *      @see selectColor()
      */
     function select_color($set_color='', $prefix='f_color', $form_name='', $showcolorbox=1, $arrayofcolors='')
     {
@@ -611,6 +612,11 @@ class FormOther
      */
     function selectColor($set_color='', $prefix='f_color', $form_name='', $showcolorbox=1, $arrayofcolors='', $morecss='')
     {
+	    // Deprecation warning
+	    if ($form_name) {
+		    dol_syslog(__METHOD__ . ": form_name parameter is deprecated", LOG_WARNING);
+	    }
+
         global $langs,$conf;
 
         $out='';
diff --git a/htdocs/core/class/translate.class.php b/htdocs/core/class/translate.class.php
index 0e55da2769a..9b4987ddb56 100644
--- a/htdocs/core/class/translate.class.php
+++ b/htdocs/core/class/translate.class.php
@@ -707,6 +707,7 @@ class Translate
 	 *  @param	string	$amount				If not '', show currency + amount according to langs ($10, 10€).
 	 *  @return	string						Amount + Currency symbol encoded into UTF8
 	 *  @deprecated							Use method price to output a price
+	 *  @see price()
 	 */
 	function getCurrencyAmount($currency_code, $amount)
 	{
diff --git a/htdocs/core/lib/date.lib.php b/htdocs/core/lib/date.lib.php
index 44507bbb919..088c36e06df 100644
--- a/htdocs/core/lib/date.lib.php
+++ b/htdocs/core/lib/date.lib.php
@@ -278,8 +278,8 @@ function convertSecondToTime($iSecond, $format='all', $lengthOfDay=86400, $lengt
  *	                 			YYYYMMDDHHMMSS
  *								YYYYMMDDTHHMMSSZ
  *								YYYY-MM-DDTHH:MM:SSZ (RFC3339)
- *		                		DD/MM/YY or DD/MM/YYYY (this format should not be used anymore)
- *		                		DD/MM/YY HH:MM:SS or DD/MM/YYYY HH:MM:SS (this format should not be used anymore)
+ *		                		DD/MM/YY or DD/MM/YYYY (deprecated)
+ *		                		DD/MM/YY HH:MM:SS or DD/MM/YYYY HH:MM:SS (deprecated)
  *  @param	int		$gm         1 =Input date is GM date,
  *                              0 =Input date is local date using PHP server timezone
  *  @return	int					Date as a timestamp
@@ -292,7 +292,7 @@ function dol_stringtotime($string, $gm=1)
     // Convert date with format DD/MM/YYY HH:MM:SS. This part of code should not be used.
     if (preg_match('/^([0-9]+)\/([0-9]+)\/([0-9]+)\s?([0-9]+)?:?([0-9]+)?:?([0-9]+)?/i',$string,$reg))
     {
-        dol_syslog("dol_stringtotime call to function with deprecated parameter", LOG_WARNING);
+        dol_syslog("dol_stringtotime call to function with deprecated parameter format", LOG_WARNING);
         // Date est au format 'DD/MM/YY' ou 'DD/MM/YY HH:MM:SS'
         // Date est au format 'DD/MM/YYYY' ou 'DD/MM/YYYY HH:MM:SS'
         $sday = $reg[1];
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 5ceb7dfa94b..b164636ceb7 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -45,10 +45,13 @@ include_once DOL_DOCUMENT_ROOT .'/core/lib/json.lib.php';
  * @param	string 	$class		Class name
  * @param 	string 	$member		Name of property
  * @return 	mixed				Return value of static property
- * @deprecated Dolibarr now requires 5.3.0+
+ * @deprecated Dolibarr now requires 5.3.0+, use $class::$property syntax
+ * @see https://php.net/manual/language.oop5.static.php
  */
 function getStaticMember($class, $member)
 {
+	dol_syslog(__FUNCTION__ . " is deprecated", LOG_WARNING);
+
 	// This part is deprecated. Uncomment if for php 5.2.*, and comment next isset class::member
 	/*if (version_compare(phpversion(), '5.3.0', '<'))
 	{
@@ -387,11 +390,12 @@ function dol_buildpath($path, $type=0)
  *
  * 	@param	object	$object		Object to clone
  *	@return object				Object clone
- *  @deprecated Dolibarr no longer supports PHP4, you can now use native function
+ *  @deprecated Dolibarr no longer supports PHP4, use PHP5 native clone construct
+ *  @see https://php.net/manual/language.oop5.cloning.php
  */
 function dol_clone($object)
 {
-	dol_syslog("Functions.lib::dol_clone Clone object");
+	dol_syslog(__FUNCTION__ . " is deprecated", LOG_WARNING);
 
 	$myclone=clone($object);
 	return $myclone;
@@ -1721,11 +1725,15 @@ function dol_substr($string,$start,$length,$stringencoding='')
  *  @param		string	$url			Param to add an url to click values
  *  @return		void
  *  @deprecated
+ *  @see DolGraph
  */
 function dol_print_graph($htmlid,$width,$height,$data,$showlegend=0,$type='pie',$showpercent=0,$url='')
 {
+	dol_syslog(__FUNCTION__ . " is deprecated", LOG_WARNING);
+
 	global $conf,$langs;
 	global $theme_datacolor;    // To have var kept when function is called several times
+
 	if (empty($conf->use_javascript_ajax)) return;
 	$jsgraphlib='flot';
 	$datacolor=array();
@@ -2399,9 +2407,12 @@ function img_mime($file, $titlealt = '')
  *	@param  int		$option		Option
  *	@return string      		Return img tag
  *  @deprecated
+ *  @see img_picto
  */
 function img_phone($titlealt = 'default', $option = 0)
 {
+	dol_syslog(__FUNCTION__ . " is deprecated", LOG_WARNING);
+
 	global $conf,$langs;
 
 	if ($titlealt == 'default') $titlealt = $langs->trans('Call');
@@ -2721,9 +2732,12 @@ function getTitleFieldOfList($name, $thead=0, $file="", $field="", $begin="", $m
  *	@param	string	$title			Title to show
  *	@return	string					Title to show
  *  @deprecated						Use print_fiche_titre instead
+ *  @see print_fiche_titre
  */
 function print_titre($title)
 {
+	dol_syslog(__FUNCTION__ . " is deprecated", LOG_WARNING);
+
 	print '<div class="titre">'.$title.'</div>';
 }
 
@@ -4079,9 +4093,12 @@ function dol_nboflines_bis($text,$maxlinesize=0,$charset='UTF-8')
  *
  * @return		float		Time (millisecondes) with microsecondes in decimal part
  * @deprecated Dolibarr does not support PHP4, you should use native function
+ * @see microtime()
  */
 function dol_microtime_float()
 {
+	dol_syslog(__FUNCTION__ . " is deprecated", LOG_WARNING);
+
 	return microtime(true);
 }
 
@@ -4301,6 +4318,8 @@ function dolGetFirstLastname($firstname,$lastname,$nameorder=-1)
  */
 function setEventMessage($mesgs, $style='mesgs')
 {
+	dol_syslog(__FUNCTION__ . " is deprecated", LOG_WARNING);
+
 	if (! is_array($mesgs))		// If mesgs is a string
 	{
 		if ($mesgs) $_SESSION['dol_events'][$style][] = $mesgs;
diff --git a/htdocs/core/lib/json.lib.php b/htdocs/core/lib/json.lib.php
index 121e719bb6f..e3f00a064e5 100644
--- a/htdocs/core/lib/json.lib.php
+++ b/htdocs/core/lib/json.lib.php
@@ -42,6 +42,7 @@ if (! function_exists('json_encode'))
  *
  * @param	mixed	$elements		PHP Object to json encode
  * @return 	string					Json encoded string
+ * @deprecated PHP >= 5.3 supports native json_encode
  */
 function dol_json_encode($elements)
 {
@@ -219,6 +220,7 @@ if (! function_exists('json_decode'))
  * @param	string	$json		Json encoded to PHP Object or Array
  * @param	bool	$assoc		False return an object, true return an array. Try to always use it with true !
  * @return 	mixed				Object or Array or false on error
+ * @deprecated PHP >= 5.3 supports native json_decode
  */
 function dol_json_decode($json, $assoc=false)
 {
diff --git a/htdocs/core/modules/DolibarrModules.class.php b/htdocs/core/modules/DolibarrModules.class.php
index 3a7da8b8941..472e260cfa6 100644
--- a/htdocs/core/modules/DolibarrModules.class.php
+++ b/htdocs/core/modules/DolibarrModules.class.php
@@ -42,6 +42,7 @@ abstract class DolibarrModules
     /**
      * @var string Relative path to module style sheet
      * @deprecated
+     * @see module_parts
      */
     public $style_sheet = '';
 
diff --git a/htdocs/core/modules/askpricesupplier/modules_askpricesupplier.php b/htdocs/core/modules/askpricesupplier/modules_askpricesupplier.php
index 4014452d8c2..4bff78bff54 100644
--- a/htdocs/core/modules/askpricesupplier/modules_askpricesupplier.php
+++ b/htdocs/core/modules/askpricesupplier/modules_askpricesupplier.php
@@ -156,10 +156,13 @@ abstract class ModeleNumRefAskPriceSupplier
  *  @param      int			$hidedesc       Hide description
  *  @param      int			$hideref        Hide ref
  * 	@return     int         				0 if KO, 1 if OK
- * @deprecated Use the new function generateDocument of Propal class
+ * @deprecated Use the new function generateDocument of AskPriceSupplier class
+ * @see AskPriceSupplier::generateDocument()
  */
 function askpricesupplier_pdf_create(DoliDB $db, AskPriceSupplier $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0)
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs, $hidedetails, $hidedesc, $hideref);
 }
 
diff --git a/htdocs/core/modules/commande/modules_commande.php b/htdocs/core/modules/commande/modules_commande.php
index 9253f4dc650..10ab1a2300f 100644
--- a/htdocs/core/modules/commande/modules_commande.php
+++ b/htdocs/core/modules/commande/modules_commande.php
@@ -161,8 +161,11 @@ abstract class ModeleNumRefCommandes
  *  @param      int			$hideref        Hide ref
  *  @return     int         				0 if KO, 1 if OK
  *  @deprecated Use the new function generateDocument of Commande class
+ *  @see Commande::generateDocument()
  */
 function commande_pdf_create(DoliDB $db, Commande $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0)
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs, $hidedetails, $hidedesc, $hideref);
 }
diff --git a/htdocs/core/modules/contract/modules_contract.php b/htdocs/core/modules/contract/modules_contract.php
index d4311bf3028..1efeaef3466 100644
--- a/htdocs/core/modules/contract/modules_contract.php
+++ b/htdocs/core/modules/contract/modules_contract.php
@@ -156,8 +156,11 @@ class ModelNumRefContracts
  *  @param  int			$hideref        Hide ref
  *  @return int         				0 if KO, 1 if OK
  * @deprecated Use the new function generateDocument of Contrat class
+ * @see Contrat::generateDocument()
  */
 function contract_pdf_create(DoliDB $db, Contrat $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0)
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs, $hidedetails, $hidedesc, $hideref);
 }
diff --git a/htdocs/core/modules/expedition/modules_expedition.php b/htdocs/core/modules/expedition/modules_expedition.php
index 0300d380fe8..0cc89498dae 100644
--- a/htdocs/core/modules/expedition/modules_expedition.php
+++ b/htdocs/core/modules/expedition/modules_expedition.php
@@ -154,8 +154,11 @@ abstract class ModelNumRefExpedition
  *  @param      int			$hideref        Hide ref
  * 	@return 	int 						1 if OK -1 if KO
  * 	@deprecated Use the new function generateDocument of Expedition class
+ * @see Expedition::generateDocument()
  */
 function expedition_pdf_create(DoliDB $db, Expedition $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0)
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs, $hidedetails, $hidedesc, $hideref);
 }
diff --git a/htdocs/core/modules/facture/modules_facture.php b/htdocs/core/modules/facture/modules_facture.php
index 2bf03edf557..afae663b02b 100644
--- a/htdocs/core/modules/facture/modules_facture.php
+++ b/htdocs/core/modules/facture/modules_facture.php
@@ -156,9 +156,12 @@ abstract class ModeleNumRefFactures
  *  @param  int			$hideref        Hide ref
  *	@return int        					<0 if KO, >0 if OK
  * @deprecated Use the new function generateDocument of Facture class
+ * @see Facture::generateDocument()
  */
 function facture_pdf_create(DoliDB $db, Facture $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0)
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs, $hidedetails, $hidedesc, $hideref);
 }
 
diff --git a/htdocs/core/modules/livraison/modules_livraison.php b/htdocs/core/modules/livraison/modules_livraison.php
index 0a439ed8fe7..c3c762cbed1 100644
--- a/htdocs/core/modules/livraison/modules_livraison.php
+++ b/htdocs/core/modules/livraison/modules_livraison.php
@@ -156,9 +156,12 @@ abstract class ModeleNumRefDeliveryOrder
  *	@param	Translate	$outputlangs	objet lang a utiliser pour traduction
  *  @return int         				0 if KO, 1 if OK
  * @deprecated Use the new function generateDocument of Livraison class
+ * @see Livraison::generateDocument()
  */
 function delivery_order_pdf_create(DoliDB $db, Livraison $object, $modele, $outputlangs='')
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs);
 }
 
diff --git a/htdocs/core/modules/mailings/fraise.modules.php b/htdocs/core/modules/mailings/fraise.modules.php
index 963e8ef0c28..2716bdc1e4c 100644
--- a/htdocs/core/modules/mailings/fraise.modules.php
+++ b/htdocs/core/modules/mailings/fraise.modules.php
@@ -153,6 +153,11 @@ class mailing_fraise extends MailingTargets
      */
     function add_to_target($mailing_id,$filtersarray=array())
     {
+	    // Deprecation warning
+	    if ($filtersarray) {
+		    dol_syslog(__METHOD__ . ": filtersarray parameter is deprecated", LOG_WARNING);
+	    }
+
     	global $langs,$_POST;
 		$langs->load("members");
         $langs->load("companies");
diff --git a/htdocs/core/modules/project/modules_project.php b/htdocs/core/modules/project/modules_project.php
index f79de708164..acc1c2738f4 100644
--- a/htdocs/core/modules/project/modules_project.php
+++ b/htdocs/core/modules/project/modules_project.php
@@ -153,9 +153,12 @@ abstract class ModeleNumRefProjects
  *  @param  int			$hideref        Hide ref
  *  @return int         				0 if KO, 1 if OK
  * @deprecated Use the new function generateDocument of Project class
+ * @see Project::generateDocument()
  */
 function project_pdf_create(DoliDB $db, Project $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0)
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs, $hidedetails, $hidedesc, $hideref);
 }
 
diff --git a/htdocs/core/modules/project/task/modules_task.php b/htdocs/core/modules/project/task/modules_task.php
index 9f9cb5041c8..bea4d342e29 100644
--- a/htdocs/core/modules/project/task/modules_task.php
+++ b/htdocs/core/modules/project/task/modules_task.php
@@ -154,9 +154,12 @@ abstract class ModeleNumRefTask
  *  @param  HookManager	$hookmanager	Hook manager instance
  *  @return int         				0 if KO, 1 if OK
  * @deprecated Use the new function generateDocument of Task class
+ * @see Task::generateDocument()
  */
 function task_pdf_create(DoliDB $db, Task $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0, $hookmanager=false)
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs, $hidedetails, $hidedesc, $hideref, $hookmanager);
 }
 
diff --git a/htdocs/core/modules/propale/modules_propale.php b/htdocs/core/modules/propale/modules_propale.php
index 9ad90e9e3b5..6c0be15f0df 100644
--- a/htdocs/core/modules/propale/modules_propale.php
+++ b/htdocs/core/modules/propale/modules_propale.php
@@ -157,9 +157,12 @@ abstract class ModeleNumRefPropales
  *  @param      int			$hideref        Hide ref
  * 	@return     int         				0 if KO, 1 if OK
  * @deprecated Use the new function generateDocument of Propal class
+ * @see Propal::generateDocument()
  */
 function propale_pdf_create(DoliDB $db, Propal $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0)
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs, $hidedetails, $hidedesc, $hideref);
 }
 
diff --git a/htdocs/core/modules/supplier_order/modules_commandefournisseur.php b/htdocs/core/modules/supplier_order/modules_commandefournisseur.php
index a968955ea73..c14c2607795 100644
--- a/htdocs/core/modules/supplier_order/modules_commandefournisseur.php
+++ b/htdocs/core/modules/supplier_order/modules_commandefournisseur.php
@@ -151,9 +151,12 @@ abstract class ModeleNumRefSuppliersOrders
  *  @param      int			$hideref        Hide ref
  *  @return     int          				0 if KO, 1 if OK
  * @deprecated Use the new function generateDocument of CommandeFournisseur class
+ * @see CommandeFournisseur::generateDocument()
  */
 function supplier_order_pdf_create(DoliDB $db, CommandeFournisseur $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0)
 {
+	dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 	return $object->generateDocument($modele, $outputlangs, $hidedetails, $hidedesc, $hideref);
 }
 
diff --git a/htdocs/core/triggers/dolibarrtriggers.class.php b/htdocs/core/triggers/dolibarrtriggers.class.php
index 0682bb76a71..d4cffc24a01 100644
--- a/htdocs/core/triggers/dolibarrtriggers.class.php
+++ b/htdocs/core/triggers/dolibarrtriggers.class.php
@@ -61,6 +61,7 @@ abstract class DolibarrTriggers
 	 * Error reported by the trigger
 	 * @var string
 	 * @deprecated Use $this->errors
+	 * @see errors
 	 */
 	public $error = '';
 
@@ -145,4 +146,4 @@ abstract class DolibarrTriggers
 	 */
 	abstract function runTrigger($action, $object, User $user, Translate $langs, Conf $conf);
 
-}
\ No newline at end of file
+}
diff --git a/htdocs/don/class/don.class.php b/htdocs/don/class/don.class.php
index 77722af6006..fa7bc6dffd8 100644
--- a/htdocs/don/class/don.class.php
+++ b/htdocs/don/class/don.class.php
@@ -63,6 +63,11 @@ class Don extends CommonObject
 	var $modelpdf;
     var $projet;
 
+	/**
+	 * @deprecated
+	 * @see note_private, note_public
+	 */
+	var $commentaire;
 
     /**
      *  Constructor
diff --git a/htdocs/don/class/paymentdonation.class.php b/htdocs/don/class/paymentdonation.class.php
index a6c56f9f235..2d75cd392fc 100644
--- a/htdocs/don/class/paymentdonation.class.php
+++ b/htdocs/don/class/paymentdonation.class.php
@@ -49,6 +49,12 @@ class PaymentDonation extends CommonObject
 	var $fk_user_creat;
 	var $fk_user_modif;
 
+	/**
+	 * @deprecated
+	 * @see amount, amounts
+	 */
+	var $total;
+
 	/**
 	 *	Constructor
 	 *
@@ -590,4 +596,4 @@ class PaymentDonation extends CommonObject
 
 		return $result;
 	}
-}
\ No newline at end of file
+}
diff --git a/htdocs/expedition/class/expedition.class.php b/htdocs/expedition/class/expedition.class.php
index e0b5b791ada..17dc2bc963a 100644
--- a/htdocs/expedition/class/expedition.class.php
+++ b/htdocs/expedition/class/expedition.class.php
@@ -77,7 +77,21 @@ class Expedition extends CommonObject
 	var $trueSize;
 
 	var $date_delivery;		// Date delivery planed
-	var $date_expedition;	// Date delivery real
+	/**
+	 * @deprecated
+	 * @see date_shipping
+	 */
+	var $date;
+	/**
+	 * @deprecated
+	 * @see date_shipping
+	 */
+	var $date_expedition;
+	/**
+	 * Effective delivery date
+	 * @var int
+	 */
+	public $date_shipping;
 	var $date_creation;
 	var $date_valid;
 
@@ -459,8 +473,8 @@ class Expedition extends CommonObject
 				$this->statut               = $obj->fk_statut;
 				$this->user_author_id       = $obj->fk_user_author;
 				$this->date_creation        = $this->db->jdate($obj->date_creation);
-				$this->date                 = $this->db->jdate($obj->date_expedition);	// TODO obsolete
-				$this->date_expedition      = $this->db->jdate($obj->date_expedition);	// TODO obsolete
+				$this->date                 = $this->db->jdate($obj->date_expedition);	// TODO deprecated
+				$this->date_expedition      = $this->db->jdate($obj->date_expedition);	// TODO deprecated
 				$this->date_shipping        = $this->db->jdate($obj->date_expedition);	// Date real
 				$this->date_delivery        = $this->db->jdate($obj->date_delivery);	// Date planed
 				$this->fk_delivery_address  = $obj->fk_address;
@@ -1708,9 +1722,10 @@ class ExpeditionLigne
 
 	// From llx_commandedet or llx_propaldet
 	var $qty_asked;
-	var $libelle;       // Label produit
-	var $product_desc;  // Description produit
-	var $ref;
+	public $product_ref;
+	public $product_label;
+	public $product_desc;
+
 
 	// Invoicing
 	var $remise_percent;
@@ -1720,6 +1735,24 @@ class ExpeditionLigne
 	var $total_localtax1;   // Total Local tax 1
 	var $total_localtax2;   // Total Local tax 2
 
+	public $fk_origin_line;
+
+	// Deprecated
+	/**
+	 * @deprecated
+	 * @see fk_origin_line
+	 */
+	var $origin_line_id;
+	/**
+	 * @deprecated
+	 * @see product_ref
+	 */
+	var $ref;
+	/**
+	 * @deprecated
+	 * @see product_label
+	 */
+	var $libelle;
 
     /**
      *	Constructor
diff --git a/htdocs/filefunc.inc.php b/htdocs/filefunc.inc.php
index 7c0e9f14a0b..45ba2b24f8c 100644
--- a/htdocs/filefunc.inc.php
+++ b/htdocs/filefunc.inc.php
@@ -37,22 +37,17 @@ if (! defined('EURO')) define('EURO',chr(128));
 // Define syslog constants
 if (! defined('LOG_DEBUG'))
 {
-    if (function_exists("define_syslog_variables"))
-    {
-    	define_syslog_variables(); // Deprecated since php 5.3.0, syslog variables no longer need to be initialized
-    }
-    else
-    {
-    	// Pour PHP sans syslog (comme sous Windows)
-    	define('LOG_EMERG',0);
-    	define('LOG_ALERT',1);
-    	define('LOG_CRIT',2);
-    	define('LOG_ERR',3);
-    	define('LOG_WARNING',4);
-    	define('LOG_NOTICE',5);
-    	define('LOG_INFO',6);
-    	define('LOG_DEBUG',7);
-    }
+	if (! function_exists("syslog")) {
+		// For PHP versions without syslog (like running on Windows OS)
+		define('LOG_EMERG',0);
+		define('LOG_ALERT',1);
+		define('LOG_CRIT',2);
+		define('LOG_ERR',3);
+		define('LOG_WARNING',4);
+		define('LOG_NOTICE',5);
+		define('LOG_INFO',6);
+		define('LOG_DEBUG',7);
+	}
 }
 
 // End of common declaration part
diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index ccd17a2f97b..6628aeb19d7 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -55,6 +55,7 @@ class CommandeFournisseur extends CommonOrder
 	/**
 	 * TODO: Remove
 	 * @deprecated
+	 * @see product_ref
 	 */
     var $ref;
     var $product_ref;
@@ -78,8 +79,13 @@ class CommandeFournisseur extends CommonOrder
     var $total_localtax2;   // Total Local tax 2
     var $total_ttc;
     var $source;
+	/**
+	 * @deprecated
+	 * @see note_private, note_public
+	 */
     var $note;
-    var $note_public;
+	public $note_private;
+    public $note_public;
     var $model_pdf;
     var $fk_project;
     var $cond_reglement_id;
@@ -2465,6 +2471,7 @@ class CommandeFournisseurLigne extends CommonOrderLine
 	 * Supplier ref
 	 * @var string
 	 * @deprecated Use ref_supplier
+	 * @see ref_supplier
 	 */
 	public $ref_fourn;
 
diff --git a/htdocs/fourn/class/fournisseur.facture.class.php b/htdocs/fourn/class/fournisseur.facture.class.php
index 1cfbe941d9a..03ff0ff1eb2 100644
--- a/htdocs/fourn/class/fournisseur.facture.class.php
+++ b/htdocs/fourn/class/fournisseur.facture.class.php
@@ -58,12 +58,9 @@ class FactureFournisseur extends CommonInvoice
     var $type = self::TYPE_STANDARD;
 
 	/**
-	 * Check constants for more info:
-	 * - STATUS_DRAFT
-	 * - STATUS_VALIDATED
-	 * - STATUS_PAID
-	 * - STATUS_ABANDONED
+	 * Supplier invoice status
 	 * @var int
+	 * @see FactureFournisseur::STATUS_DRAFT, FactureFournisseur::STATUS_VALIDATED, FactureFournisseur::STATUS_PAID, FactureFournisseur::STATUS_ABANDONED
 	 */
     var $statut;
     //! 1 si facture payee COMPLETEMENT, 0 sinon (ce champ ne devrait plus servir car insuffisant)
@@ -85,7 +82,11 @@ class FactureFournisseur extends CommonInvoice
     var $total_localtax1;
     var $total_localtax2;
     var $total_ttc;
-    var $note;			// deprecated
+	/**
+	 * @deprecated
+	 * @see note_private, note_public
+	 */
+    var $note;
     var $note_private;
     var $note_public;
     var $propalid;
@@ -100,7 +101,10 @@ class FactureFournisseur extends CommonInvoice
 	 * @var SupplierInvoiceLine[]
 	 */
     public $lines = array();
-    var $fournisseur;	// deprecated
+	/**
+	 * @deprecated
+	 */
+    var $fournisseur;
 
 	//Incorterms
 	var $fk_incoterms;
@@ -1896,9 +1900,17 @@ class SupplierInvoiceLine extends CommonObjectLine
 
 	var $oldline;
 
+	/**
+	 * @deprecated
+	 * @see product_ref
+	 */
 	public $ref;
 	public $product_ref;
 	public $ref_supplier;
+	/**
+	 * @deprecated
+	 * @see label
+	 */
 	public $libelle;
 	public $product_desc;
 
@@ -1906,8 +1918,10 @@ class SupplierInvoiceLine extends CommonObjectLine
 	 * Unit price before taxes
 	 * @var float
 	 * @deprecated Use $subprice
+	 * @see subprice
 	 */
 	public $pu_ht;
+	public $subprice;
 
 	/**
 	 * Unit price included taxes
@@ -1919,8 +1933,10 @@ class SupplierInvoiceLine extends CommonObjectLine
 	 * Total VAT amount
 	 * @var float
 	 * @deprecated Use $total_tva instead
+	 * @see total_tva
 	 */
 	public $tva;
+	public $total_tva;
 
 	/**
 	 * Id of the corresponding supplier invoice
@@ -1932,7 +1948,7 @@ class SupplierInvoiceLine extends CommonObjectLine
 	 * Product label
 	 * @var string
 	 */
-	var $label;				// deprecated
+	var $label;
 
 	/**
 	 * Description of the line
diff --git a/htdocs/fourn/class/fournisseur.product.class.php b/htdocs/fourn/class/fournisseur.product.class.php
index 48c238d60be..b7246d8ac7a 100644
--- a/htdocs/fourn/class/fournisseur.product.class.php
+++ b/htdocs/fourn/class/fournisseur.product.class.php
@@ -42,7 +42,11 @@ class ProductFournisseur extends Product
     var $product_fourn_price_id;  // id of ligne product-supplier
 
     var $id;                      // product id
-    var $fourn_ref;               // deprecated
+	/**
+	 * @deprecated
+	 * @see ref_supplier
+	 */
+    var $fourn_ref;
     var $delivery_time_days;
     var $ref_supplier;			  // ref supplier (can be set by get_buyprice)
     var $vatrate_supplier;		  // default vat rate for this supplier/qty/product (can be set by get_buyprice)
@@ -348,7 +352,8 @@ class ProductFournisseur extends Product
             if ($obj)
             {
             	$this->product_fourn_price_id	= $rowid;
-            	$this->fourn_ref				= $obj->ref_fourn;
+            	$this->fourn_ref				= $obj->ref_fourn; // deprecated
+	            $this->ref_supplier             = $obj->ref_fourn;
             	$this->fourn_price				= $obj->price;
             	$this->fourn_charges            = $obj->charges;
             	$this->fourn_qty                = $obj->quantity;
diff --git a/htdocs/holiday/class/holiday.class.php b/htdocs/holiday/class/holiday.class.php
index 90492fa16f1..f76d9843e02 100644
--- a/htdocs/holiday/class/holiday.class.php
+++ b/htdocs/holiday/class/holiday.class.php
@@ -38,6 +38,10 @@ class Holiday extends CommonObject
     var $error;
     var $errors=array();
 
+	/**
+	 * @deprecated
+	 * @see id
+	 */
     var $rowid;
     var $ref;
 
diff --git a/htdocs/livraison/class/livraison.class.php b/htdocs/livraison/class/livraison.class.php
index 52db876fbf0..3a1704f8d8d 100644
--- a/htdocs/livraison/class/livraison.class.php
+++ b/htdocs/livraison/class/livraison.class.php
@@ -52,6 +52,11 @@ class Livraison extends CommonObject
 	var $ref_customer;
 	var $statut;
 
+	/**
+	 * @deprecated
+	 * @see note_public, note_private
+	 */
+	var $note;
 	var $note_public;
 	var $note_private;
 
@@ -1014,10 +1019,8 @@ class Livraison extends CommonObject
 /**
  *  Classe de gestion des lignes de bons de livraison
  */
-class LivraisonLigne
+class LivraisonLigne extends CommonObjectLine
 {
-	var $db;
-
 	// From llx_expeditiondet
 	var $qty;
 	var $qty_asked;
@@ -1027,7 +1030,19 @@ class LivraisonLigne
 	var $origin_id;
 	var $label;       // Label produit
 	var $description;  // Description produit
+	/**
+	 * @deprecated
+	 * @see product_ref
+	 */
 	var $ref;
+	/**
+	 * @deprecated
+	 * @see product_label;
+	 */
+	var $libelle;
+
+	public $product_ref;
+	public $product_label;
 
 	/**
 	 *	Constructor
diff --git a/htdocs/loan/class/paymentloan.class.php b/htdocs/loan/class/paymentloan.class.php
index 51961e37e6e..35ce4cbaaa0 100644
--- a/htdocs/loan/class/paymentloan.class.php
+++ b/htdocs/loan/class/paymentloan.class.php
@@ -52,6 +52,12 @@ class PaymentLoan extends CommonObject
 	var $fk_user_creat;
 	var $fk_user_modif;
 
+	/**
+	 * @deprecated
+	 * @see amount, amounts
+	 */
+	var $total;
+
 	/**
 	 *	Constructor
 	 *
diff --git a/htdocs/opensurvey/class/opensurveysondage.class.php b/htdocs/opensurvey/class/opensurveysondage.class.php
index b4c8570dec8..1ab2352395d 100644
--- a/htdocs/opensurvey/class/opensurveysondage.class.php
+++ b/htdocs/opensurvey/class/opensurveysondage.class.php
@@ -43,7 +43,12 @@ class Opensurveysondage extends CommonObject
     var $id;
 
 	var $id_sondage;
+	/**
+	 * @deprecated
+	 * @see description
+	 */
 	var $commentaires;
+	public $description;
 
 	var $mail_admin;
 	var $nom_admin;
diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index dbb42a4e5bc..079c0772d8b 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -59,10 +59,15 @@ class Product extends CommonObject
 	var $id ;
 	//! Ref
 	var $ref;
-    /**
-     * Product label
-     * @var string
-     */
+	/*
+	 * @deprecated
+	 * @see label
+	 */
+	var $libelle;
+	/**
+	 * Product label
+	 * @var string
+	 */
 	var $label;
     /**
      * Product descripion
@@ -183,6 +188,20 @@ class Product extends CommonObject
 
     var $fk_price_expression;
 
+	/**
+	 * @deprecated
+	 * @see fourn_pu
+	 */
+	var $buyprice;
+	public $fourn_pu;
+
+	/**
+	 * @deprecated
+	 * @see ref_supplier
+	 */
+	var $ref_fourn;
+	public $ref_supplier;
+
 	/**
 	 * Unit code ('km', 'm', 'l', 'p', ...)
 	 * @var string
@@ -817,6 +836,11 @@ class Product extends CommonObject
 	 */
 	function delete($id=0)
 	{
+		// Deprecation warning
+		if (0 == $id) {
+			dol_syslog(__METHOD__ . " with parameter is deprecated", LOG_WARNING);
+		}
+
 		global $conf,$user,$langs;
 		require_once DOL_DOCUMENT_ROOT . '/core/lib/files.lib.php';
 
@@ -1252,7 +1276,7 @@ class Product extends CommonObject
                     	$obj->price = $price_result;
                     }
                 }
-				$this->buyprice = $obj->price;                      // \deprecated
+				$this->buyprice = $obj->price;                      // deprecated
 				$this->fourn_pu = $obj->price / $obj->quantity;     // Prix unitaire du produit pour le fournisseur $fourn_id
 				$this->ref_fourn = $obj->ref_fourn;                 // Ref supplier
 				$this->vatrate_supplier = $obj->tva_tx;             // Vat ref supplier
diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index 157fd26829c..4e505eb0910 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -46,6 +46,12 @@ class Project extends CommonObject
     var $id;
     var $ref;
     var $description;
+	/**
+	 * @var string
+	 * @deprecated
+	 * @see title
+	 */
+	public $titre;
     var $title;
     var $date_start;
     var $date_end;
@@ -66,6 +72,27 @@ class Project extends CommonObject
     var $weekWorkLoad;			// Used to store workload details of a projet
     var $weekWorkLoadPerTask;	// Used to store workload details of tasks of a projet
 
+	/**
+	 * @var int Creation date
+	 * @deprecated
+	 * @see date_c
+	 */
+	public $datec;
+	/**
+	 * @var int Creation date
+	 */
+	public $date_c;
+	/**
+	 * @var int Modification date
+	 * @deprecated
+	 * @see date_m
+	 */
+	public $datem;
+	/**
+	 * @var int Modification date
+	 */
+	public $date_m;
+
 
     /**
      *  Constructor
diff --git a/htdocs/resource/class/resource.class.php b/htdocs/resource/class/resource.class.php
index 33df80fc095..cac917fa85b 100644
--- a/htdocs/resource/class/resource.class.php
+++ b/htdocs/resource/class/resource.class.php
@@ -606,9 +606,9 @@ class Resource extends CommonObject
      * Fetch all resources available, declared by modules
      * Load available resource in array $this->available_resources
      *
-     * note : deprecated, remplaced by hook getElementResources
-     *
      * @return int 	number of available resources declared by modules
+     * @deprecated, remplaced by hook getElementResources
+     * @see getElementResources()
      */
     function fetch_all_available() {
     	global $conf;
diff --git a/htdocs/societe/canvas/actions_card_common.class.php b/htdocs/societe/canvas/actions_card_common.class.php
index f1472dcb2d7..383ed9e8ff8 100644
--- a/htdocs/societe/canvas/actions_card_common.class.php
+++ b/htdocs/societe/canvas/actions_card_common.class.php
@@ -52,6 +52,8 @@ abstract class ActionsCardCommon
 	 */
 	private function getInstanceDao()
 	{
+		dol_syslog(__METHOD__ . " is deprecated", LOG_WARNING);
+
 		if (! is_object($this->object))
 		{
 			$modelclassfile = dol_buildpath('/'.$this->dirmodule.'/canvas/'.$this->canvas.'/dao_'.$this->targetmodule.'_'.$this->canvas.'.class.php');
diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index e4b6334690e..bce15b081bb 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -59,6 +59,7 @@ class Societe extends CommonObject
      * Thirdparty name
      * @var string
      * @deprecated Use $name instead
+     * @see name
      */
     public $nom;
 
@@ -88,18 +89,21 @@ class Societe extends CommonObject
      * State code
      * @var string
      * @deprecated Use state_code instead
+     * @see state_code
      */
     var $departement_code;
 
     /**
      * @var string
      * @deprecated Use state instead
+     * @see state
      */
     var $departement;
 
     /**
      * @var string
      * @deprecated Use country instead
+     * @see country
      */
     var $pays;
     var $country_id;
@@ -298,6 +302,7 @@ class Societe extends CommonObject
     /**
      * @var string
      * @deprecated Note is split in public and private notes
+     * @see note_public, note_private
      */
     var $note;
 
@@ -2804,7 +2809,7 @@ class Societe extends CommonObject
         if (empty($name)) $name=$member->getFullName($langs);
 
         // Positionne parametres
-        $this->nom=$name;				// TODO obsolete
+        $this->nom=$name;				// TODO deprecated
         $this->name=$name;
         $this->address=$member->address;
         $this->zip=$member->zip;
diff --git a/htdocs/user/class/user.class.php b/htdocs/user/class/user.class.php
index b255e3ffa68..4d7a3d18a5c 100644
--- a/htdocs/user/class/user.class.php
+++ b/htdocs/user/class/user.class.php
@@ -74,8 +74,16 @@ class User extends CommonObject
 	var $datem;
 
 	//! If this is defined, it is an external user
-	var $societe_id;	// deprecated
-	var $contact_id;	// deprecated
+	/**
+	 * @deprecated
+	 * @see socid
+	 */
+	var $societe_id;
+	/**
+	 * @deprecated
+	 * @see contactid
+	 */
+	var $contact_id;
 	var $socid;
 	var $contactid;
 
diff --git a/htdocs/user/class/usergroup.class.php b/htdocs/user/class/usergroup.class.php
index 35663f05978..687c2077760 100644
--- a/htdocs/user/class/usergroup.class.php
+++ b/htdocs/user/class/usergroup.class.php
@@ -40,8 +40,12 @@ class UserGroup extends CommonObject
 
 	var $id;			// Group id
 	var $entity;		// Entity of group
+	/**
+	 * @deprecated
+	 * @see name
+	 */
 	var $nom;			// Name of group
-	var $name;			// Name of group	// deprecated
+	var $name;			// Name of group
 	var $globalgroup;	// Global group
 	var $note;			// Note on group
 	var $datec;			// Creation date of group