body_class

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

Description

apply_filters( 'body_class', (array) $classes, (array) $class ); 

Parameters (2)

0. $classes (array)
An array of body classes.
1. $class (array)
An array of additional classes added to the body.

Usage

To run the hook, copy the example below.
  1. $classes = apply_filters( 'body_class', $classes, $class ); 
  2.  
  3. if ( !empty( $classes ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the body_class callback 
  2. function filter_body_class( $classes, $class ) { 
  3. // make filter magic happen here... 
  4. return $classes
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'body_class', 'filter_body_class', 10, 2 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'body_class', 'filter_body_class', 10, 2 ); 

Defined (1)

The filter is defined in the following location(s).

/wp-includes/post-template.php  
  1. $classes = apply_filters( 'body_class', $classes, $class );