get_theme_mod( 'amusement_park_related_post_per_page', 3 ), 'orderby' => 'rand', 'post__not_in' => array( get_the_ID() ), ); $related = wp_get_post_terms( get_the_ID(), 'category' ); $amusement_park_ids = array(); foreach( $related as $term ) { $amusement_park_ids[] = $term->term_id; } $amusement_park_post_args['category__in'] = $amusement_park_ids; $related_posts = new WP_Query( $amusement_park_post_args ); if ( $related_posts->have_posts() ) : ?>