Description
Filters values for the meta key dropdown in the Custom Fields meta box. Returning a non-null value will effectively short-circuit and avoid a potentially expensive query against postmeta.
Occurrences
| Filename | Line Number |
|---|---|
| wp-admin/includes/template.php | 707 |
Parameters
| Type | Name | Description |
|---|---|---|
| array|null | $keys | Pre-defined meta keys to be used in place of a postmeta query. Default null. |
| WP_Post | $post | The current post object. |
PHP Doc
/**
* Filters values for the meta key dropdown in the Custom Fields meta box.
*
* Returning a non-null value will effectively short-circuit and avoid a
* potentially expensive query against postmeta.
*
* @since 4.4.0
*
* @param array|null $keys Pre-defined meta keys to be used in place of a postmeta query. Default null.
* @param WP_Post $post The current post object.
*/