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}$taxonomy_count = count( $taxonomy_query ); if ( $taxonomy_count > 0 ) { $args['tax_query'] = array( 'relation' => 'AND', $taxonomy_query ); }$metabox_count = count( $metabox_query ); if ( $metabox_count > 0 ) { $args['meta_query'] = array( 'relation' => 'AND', array( 'relation' => 'AND', $metabox_query ) ); }error_log('DEBUG engine_size filter: ' . print_r($metabox_query, true)); $query = new WP_Query( $args ); $total_post = $query->found_posts; ?>