php Query posts and cache the query

php Query posts and cache the query

$bandeau_post = get_transient('top1_bandeau_post');
 
     
if (!is_array($bandeau_post) || count($bandeau_post)==0) {
         
    $args = array(
        'posts_per_page' => 5
        );
    $bandeau_post = array();
    $bandeau_post = query_posts($args);
         
    set_transient('top1_bandeau_post',$bandeau_post,60*60*$timeout);
}
     
foreach($bandeau_post as $post) :
        setup_postdata($post);
 
// the display code
 
endforeach;