$slider, 'post__in' => (array)$id, 'orderby' => 'post__in', 'posts_per_page' => $slider_num, 'ignore_sticky_posts' => true, ); $query = new WP_Query( $args ); $i = 1; if ( $query->have_posts() ) : while ( $query->have_posts() ) : $query->the_post(); ?>