upload_per_page

Filters the number of items to list per page when listing media items.

Description

apply_filters( 'upload_per_page', (int) $media_per_page ); 

Parameters (1)

0. $media_per_page (int)
Number of media to list. Default 20.

Usage

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

Defined (1)

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

/wp-admin/includes/post.php  
  1. $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );