public function ajouteArticle(Article $met)
 {
     $titre = $met->getLetitre();
     $slug = $met->getLeslug();
     $texte = $met->getLetexte();
     $date = $met->getLadate();
     $idutil = (int) $_SESSION['id'];
     $prepare = $this->db->prepare("INSERT INTO article VALUES (NULL,?,?,?,?,?);");
     $prepare->bindParam(1, $titre, PDO::PARAM_STR);
     $prepare->bindParam(2, $slug, PDO::PARAM_STR);
     $prepare->bindParam(3, $texte, PDO::PARAM_STR);
     $prepare->bindParam(4, $date, PDO::PARAM_STR);
     $prepare->bindParam(5, $idutil, PDO::PARAM_STR);
     return $prepare->execute();
 }