admin_head

The WordPress Core admin head hook.

Description

add_filter( 'admin_head', (string) $options_permalink_add_js ); 

Parameters (1)

0. $options_permalink_add_js (string) => 'options_permalink_add_js'
The options permalink add js.

Usage

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

Defined (1)

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

/wp-admin/options-permalink.php  
  1. add_filter('admin_head', 'options_permalink_add_js');