Adds the current page template filename to the body classes #wordpress #php

add-page-template-as-body-class.php

<?php
/**
 * Function    : add_page_template_body_class
 * Description : Adds the current page template filename to the body classes.
 * Author      : Dan Walsh
 *
 * @param array $classes : The array of classes attached to the body element.
 */
function add_page_template_body_class( $classes ) {
	global $post;
	$classes[] = basename( get_page_template( $post->id ), '.php' );
	return $classes;
}
add_filter( 'body_class', 'add_page_template_body_class' );