if(!empty($_SESSION['pseudo']))
	{
		$req = $bdd->prepare('SELECT COUNT(*) AS result_session FROM membres WHERE session = :session');
		$req->bindValue('session', $_SESSION['session']);
		$req->execute();
		$result_session = $req->fetch();
		$req->closeCursor();


		if($result_session['result_session'] == 0)
		{
			session_destroy();
		}
	}