public function deleteCategory($id)
 {
     $moviesBD = new MoviesBD();
     $resultats = $this->bdd->query("SELECT cat_id FROM category WHERE cat_default=1 ;");
     $resultats->setFetchMode(PDO::FETCH_OBJ);
     while ($result = $resultats->fetch()) {
         $default = $result->cat_id;
     }
     foreach ($moviesBD->getAllMovies() as $movie) {
         if ($movie->getCategory() == $id) {
             $movie->setCategory($default);
             $moviesBD->updateMovie($movie, null);
         }
     }
     $req = $this->bdd->prepare("DELETE FROM category WHERE cat_id = :id AND cat_default=0;");
     $result = $req->execute(array("id" => $id));
     return $result;
 }
$mycategories = $categories->getAllCategories();
foreach ($mycategories as $c) {
    echo "<li><a href=\"index.php?id=" . $c->getId() . "\">" . $c->getName() . "</a></li>";
}
?>
                    </ul>

                    <?php 
if (isset($_GET['id'])) {
    $cat = $categories->getCategory($_GET['id']);
}
if (isset($cat)) {
    $mymovies = $movies->getAllMoviesCategory($_GET['id']);
    print "<h4  style=\"display:inline; vertical-align:middle;\">" . $cat->getName() . "</h4>";
} else {
    $mymovies = $movies->getAllMovies();
    print "<h4  style=\"display:inline; vertical-align:middle;\"> Tous les films </h4>";
}
print "</div> <br>";
$i = 0;
foreach ($mymovies as $m) {
    if ($i == 0) {
        echo "<div class=\"row conteneur\">";
    }
    echo "<div class=\"col-md-4\">";
    echo "<div class=\"well well-lg\">";
    echo "<h3><span class=\"glyphicon glyphicon-film\"></span> " . escape($m->getTitle()) . "</h3>";
    echo "<p id=\"description\">" . escape($m->getDescriptionShort()) . " <a href=\"movie.php?id=" . $m->getId() . "\"><span class=\"glyphicon glyphicon-option-horizontal\"></span></a></p>";
    echo "</div>";
    echo "</div>";
    $i = $i + 1;