manage_<id>_columns

The WordPress Core manage id columns hook.

Description

add_filter( 'manage_<id>_columns', (callback) $array, (int) $int ); 

Parameters (2)

0. $array (callback) => array( $this, 'get_columns' )
The array.
1. $int (int)
The int.

Usage

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

Defined (2)

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

/wp-admin/includes/class-wp-list-table-compat.php  
  1. add_filter( 'manage_' . $screen->id . '_columns', array( $this, 'get_columns' ), 0 ); 
/wp-admin/includes/screen.php  
  1. $column_headers[ $screen->id ] = apply_filters( "manage_{$screen->id}_columns", array() );