body_class │ filter-hook │ WP 2.8.0

Filters the list of CSS body class names for the current post or page.

Usage

add_filter( 'body_class', 'wp_kama_body_class_filter', 10, 2 );

/**
 * Function for `body_class` filter-hook.
 * 
 * @param string[] $classes   An array of body class names.
 * @param string[] $css_class An array of additional class names added to the body.
 *
 * @return string[]
 */
function wp_kama_body_class_filter( $classes, $css_class ){

	// filter...
	return $classes;
}

$classes(string[])

An array of body class names.

$css_class(string[])

An array of additional class names added to the body.

Changelog

Where the hook is called

$classes = apply_filters( 'body_class', $classes, $css_class );

Where the hook is used in WordPress