apply_filters( 'postmeta_form_keys', array|null $keys, WP_Post $post )

Filters values for the meta key dropdown in the Custom Fields meta box.


Description

Returning a non-null value will effectively short-circuit and avoid a potentially expensive query against postmeta.


Parameters

$keys

(array|null) Pre-defined meta keys to be used in place of a postmeta query. Default null.

$post

(WP_Post) The current post object.


Source

File: wp-admin/includes/template.php

View on GitHub



Changelog

Changelog
Version Description
WP-4.4.0 Introduced.