WP - add post slug and post_type to page body classes

add-post-slug-and-post_type-to-page-body-classes.php

<?php

// add filter to body_class
add_filter( 'body_class', 'q_body_class', 1 );

/*
 * add extra classes to html body tag
 */
function q_body_class( $classes ) {

	// get $post object ##
	global $post; 
	
	if ( $post ) { 
		$classes[] = $post->post_type . '-' . $post->post_name; // posttype-slug ##
		$classes[] = $post->post_name; // post-slug ##
	}

	// return classes ##
	return $classes; 

}