add some comment

htdocs/emailcollector/class/emailcollector.class.php

@@ -151,7 +151,12 @@ class EmailCollector extends CommonObject
      */
     public $status;
 
+    /**
+     * @var int		Date of creation
+     */
     public $date_creation;
+    
+    
     public $tms;
 
     /**

htdocs/emailcollector/class/emailcollectoraction.class.php

@@ -98,7 +98,13 @@ class EmailCollectorAction extends CommonObject
     public $fk_emailcollector;
     public $type;
     public $actionparam;
+    
+    /**
+     * @var int		Date of creation
+     */
     public $date_creation;
+    
+    
     public $tms;
     public $fk_user_creat;
     public $fk_user_modif;

htdocs/emailcollector/class/emailcollectorfilter.class.php

@@ -97,7 +97,13 @@ class EmailCollectorFilter extends CommonObject
 	public $fk_emailcollector;
 	public $type;
 	public $rulevalue;
+	
+	/**
+	 * @var int		Date of creation
+	 */
 	public $date_creation;
+	
+	
 	public $tms;
 	public $fk_user_creat;
 	public $fk_user_modif;

htdocs/expedition/class/expedition.class.php

@@ -143,7 +143,12 @@ class Expedition extends CommonObject
 	 */
 	public $date_shipping;
 
+	/**
+	 * @var int		Date of creation
+	 */
 	public $date_creation;
+	
+	
 	public $date_valid;
 
 	public $meths;