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 Trac

Used By

Used By Description
wp-admin/includes/template.php: meta_form()

Prints the form in the Custom Fields meta box.

Changelog

Version Description
4.4.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/postmeta_form_keys