<hook>

Removed Filter Hooks.

Description

apply_filters( '<hook>', (string) $var ); 

Parameters (1)

0. $var (string) => ''
The var.

Usage

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

Defined (1)

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

/includes/deprecated.php  
  1. apply_filters( $hook, '' ); // add_action() is just a wrapper for add_filter(), so use add_filter() for both.