postmeta_form_limit filter-hook . WP 2.1.0

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

Usage

add_filter( 'postmeta_form_limit', 'filter_function_name_5072' );
function filter_function_name_5072( $limit ){
	// filter...

	return $limit;
}

$limit(int)

Number of custom fields to retrieve.
Default: 30

Where the hook is called

$limit = apply_filters( 'postmeta_form_limit', 30 );

Where in WP core the hook is used WordPress