disable_categories_dropdown

Filters whether to remove the 'Categories' drop-down from the post list table.

Description

apply_filters( 'disable_categories_dropdown', (bool) $false, (string) $post_type ); 

Parameters (2)

0. $false (bool) => false
Whether to disable the categories drop-down. Default false.
1. $post_type (string)
Post type slug.

Usage

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

Defined (1)

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

/wp-admin/includes/class-wp-posts-list-table.php  
  1. if ( false !== apply_filters( 'disable_categories_dropdown', false, $post_type ) ) {