Add page classes to body tag: wp_page wp_post singular is_has_child single_author

gistfile1.txt

//=========================================================== ADD PAGE BODY CLASS TO PAGES
function custom_page_bodyclass($classes) { 
	// add 'no-js' to body. Javascript in custom/js/script.js removes this when JS is active
	$classes[] = 'no-js'; 
	if ( is_page() ) { $classes[] = 'wp_page'; }
	if ( is_single() ) { $classes[] = 'wp_post'; }
	// is_singular is true for is_single(), is_page() or is_attachment()
	if ( is_singular() ) { $classes[] = 'singular'; }
	// is_has_child is true for a parent or a child page
	if ( function_exists( 'is_has_child' ) && is_has_child() ) { $classes[] = 'is_has_child'; }
	// is_multi_author is true when there's more than one author on the site
	if ( function_exists( 'is_multi_author' ) && ! is_multi_author() ) { $classes[] = 'single_author'; }
	return $classes; 
}