postmeta_form_limit

Filters the number of custom fields to retrieve for the drop-down in the Custom Fields meta box.

Description

apply_filters( 'postmeta_form_limit', (int) $int ); 

Parameters (1)

0. $int (int) => 30
Number of custom fields to retrieve. Default 30.

Usage

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

Defined (1)

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

/wp-admin/includes/template.php  
  1. $limit = apply_filters( 'postmeta_form_limit', 30 );