register_post_meta( string $post_type, string $meta_key, array $args )
Registers a meta key for posts.
Parameters
- $post_type
-
(Required) Post type to register a meta key for. Pass an empty string to register the meta key across all existing post types.
- $meta_key
-
(Required) The meta key to register.
- $args
-
(Required) Data used to describe the meta key when registered. See register_meta() for a list of supported arguments.
Return
(bool) True if the meta key was successfully registered, false if not.
Source
File: wp-includes/post.php
function register_post_meta( $post_type, $meta_key, array $args ) {
$args['object_subtype'] = $post_type;
return register_meta( 'post', $meta_key, $args );
}
Changelog
| Version | Description |
|---|---|
| WP-4.9.8 | Introduced. |