<filter>

The W3 Total Cache filter hook.

Description

apply_filters( '<filter>', (unknown) $v ); 

Parameters (1)

0. $v (unknown)
The v.

Usage

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

Defined (1)

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

/Extensions_Plugin_Admin.php  
  1. $v = apply_filters( $filter, $v );