'page', 'post__in' => $amusement_park_slide_pages, 'orderby' => 'post__in' ); $amusement_park_query = new WP_Query($amusement_park_args); if ($amusement_park_query->have_posts()) : while ($amusement_park_query->have_posts()) : $amusement_park_query->the_post(); ?>