public function GetAllUtilisateurByFiltres($donnees = NULL) {
            $where = "WHERE ";
            $array = array();
            foreach($donnees as $key => $value){
                if(!empty($value)){
                    $value = addslashes($value);
                    $where .= $key . " = ? AND ";
                    $array[] = "$value";
                }
            }
            $where = substr($where, 0, -5);
            $sql = "SELECT * FROM vls_users " . $where;
            $sth = $this->connexion->prepare($sql, array(PDO::ATTR_CURSOR => PDO::CURSOR_FWDONLY));
            $sth->execute($array);
            $tab = $sth->fetchAll(PDO::FETCH_OBJ);
            return $tab;
        }