apply_filters( "default_{$meta_type}_metadata", mixed $value, int $object_id, string $meta_key, bool $single, string $meta_type )

741	 * @param int    $object_id ID of the object metadata is for.742	 * @param string $meta_key  Metadata key.743	 * @param bool   $single    Whether to return only the first value of the specified `$meta_key`.744	 * @param string $meta_type Type of object metadata is for. Accepts 'blog', 'post', 'comment', 'term',745	 *                          'user', or any other object type with an associated meta table.746	 */747	$value = apply_filters( "default_{$meta_type}_metadata", $value, $object_id, $meta_key, $single, $meta_type );748 749	if ( ! $single && ! wp_is_numeric_array( $value ) ) {750		$value = array( $value );751	}752 753	return $value;