register_post_meta() WP 1.0
Registers a meta key for posts.
Works based on: register_meta()
1 time — 0.000126 sec (fast) | 50000 times — 0.27 sec (very fast) | PHP 7.1.11, WP 4.9.8
No Hooks.
Return
true|false. True if the meta key was successfully registered, false if not.
Usage
register_post_meta( $post_type, $meta_key, $args );
- $post_type(string) (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(string) (required)
- The meta key to register.
- $args(array) (required)
- Data used to describe the meta key when registered. See register_meta() for a list of supported arguments.
Changelog
| Since 4.9.8 | Introduced. |
Code of register_post_meta() register post meta WP 5.7.2
function register_post_meta( $post_type, $meta_key, array $args ) {
$args['object_subtype'] = $post_type;
return register_meta( 'post', $meta_key, $args );
}