Filters the registration arguments when registering meta.
$argsarray$defaultsarray$object_typestring$meta_keystringwp-includes/meta.php:1485register_meta() * @param array $args Array of meta registration arguments. * @param array $defaults Array of default arguments. * @param string $object_type Type of object metadata is for. Accepts 'blog', 'post', 'comment', 'term', * 'user', or any other object type with an associated meta table. * @param string $meta_key Meta key. */ $args = apply_filters( 'register_meta_args', $args, $defaults, $object_type, $meta_key ); unset( $defaults['default'] ); $args = wp_parse_args( $args, $defaults ); // Require an item schema when registering array meta. if ( false !== $args['show_in_rest'] && 'array' === $args['type'] ) { if ( ! is_array( $args['show_in_rest'] ) || ! isset( $args['show_in_rest']['schema']['items'] ) ) {Introduced in 4.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.