nom= 'velo';
$a->descr= 'beau velo de course rouge';
$a->tarif= 59.95;
$a->id=9;
echo "DELETE : ";
$a->delete();
$b = new Article();
$b -> nom='velo';
$b -> descr='beau velo de course vert';
$b -> tarif=20.20;
$b -> id_categ=1;
echo "
INSERT : ";
$b->insert();
echo "
DB : ";
$pdo = ConnectionFactory::makeConnection();
var_dump($pdo);