postmeta_form_limit filter
Filters the number of custom fields to retrieve for the drop-down in the Custom Fields meta box.
apply_filters( 'postmeta_form_limit', int $limit )
Description
This is filter hook , its filter the number of custom fields to retrieve for the drop-down in the Custom Fields meta box.
Its consists of one parameter, that is $limit Object.
Parameters
- $limit : (int) Number of custom fields to retrieve. Default 30.
Live Example
To run the hook, copy the example below.
$int = apply_filters( 'postmeta_form_limit', $int ); if ( !empty( $int ) ) { // everything has led up to this point... }
// define the postmeta_form_limit callback
function filter_postmeta_form_limit( $int ) { // make filter magic happen here... return $int; }; // add the filter add_filter( 'postmeta_form_limit', 'filter_postmeta_form_limit', 10, 1 );
To remove a hook callback, use the example below.
// remove the filter remove_filter( 'postmeta_form_limit', 'filter_postmeta_form_limit', 10, 1 );