WP_Query: query posts by ids from array?
You have to use post__in (double underscore) argument, instead of post_in: echo print_r($rel); // Array ( [0] => 63 [1] => 87 ) $args = array( ‘post_type’ => array( ‘post’ ), ‘orderby’ => ‘ASC’, ‘post__in’ => $rel ); $loop = new WP_Query( $args ); If you are unsure why an argument is not working, copy … Read more