get_registered_meta_keys() WordPress Function
The get_registered_meta_keys() function retrieves all registered metadata keys for a given object type.
get_registered_meta_keys( string $object_type, string $object_subtype = '' ) #
Retrieves a list of registered meta keys for an object type.
Parameters
- $object_type
(string)(Required)Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', or any other object type with an associated meta table.
- $object_subtype
(string)(Optional) The subtype of the object type.
Default value: ''
Return
(string[]) List of registered meta keys.
Source
File: wp-includes/meta.php
function get_registered_meta_keys( $object_type, $object_subtype = '' ) {
global $wp_meta_keys;
if ( ! is_array( $wp_meta_keys ) || ! isset( $wp_meta_keys[ $object_type ] ) || ! isset( $wp_meta_keys[ $object_type ][ $object_subtype ] ) ) {
return array();
}
return $wp_meta_keys[ $object_type ][ $object_subtype ];
}
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Changelog
| Version | Description |
|---|---|
| 4.9.8 | The $object_subtype parameter was added. |
| 4.6.0 | Introduced. |