update_metadata_by_mid( string $meta_type, int $meta_id, string $meta_value, string|false $meta_key = false ): bool

888function update_metadata_by_mid( $meta_type, $meta_id, $meta_value, $meta_key = false ) {889	global $wpdb;890 891	// Make sure everything is valid.892	if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {893		return false;894	}895 896	$meta_id = (int) $meta_id;897	if ( $meta_id <= 0 ) {898		return false;899	}900 901	$table = _get_meta_table( $meta_type );902	if ( ! $table ) {903		return false;904	}905 906	$column    = sanitize_key( $meta_type . '_id' );907	$id_column = ( 'user' === $meta_type ) ? 'umeta_id' : 'meta_id';908 909	/**910	 * Short-circuits updating metadata of a specific type by meta ID.911	 *912	 * The dynamic portion of the hook name, `$meta_type`, refers to the meta object type913	 * (blog, post, comment, term, user, or any other type with an associated meta table).914	 * Returning a non-null value will effectively short-circuit the function.915	 *916	 * Possible hook names include:917	 *918	 *  - `update_blog_metadata_by_mid`919	 *  - `update_post_metadata_by_mid`920	 *  - `update_comment_metadata_by_mid`921	 *  - `update_term_metadata_by_mid`922	 *  - `update_user_metadata_by_mid`923	 *924	 * @since 5.0.0925	 *926	 * @param null|bool    $check      Whether to allow updating metadata for the given type.927	 * @param int          $meta_id    Meta ID.928	 * @param mixed        $meta_value Meta value. Must be serializable if non-scalar.929	 * @param string|false $meta_key   Meta key, if provided.930	 */931	$check = apply_filters( "update_{$meta_type}_metadata_by_mid", null, $meta_id, $meta_value, $meta_key );932	if ( null !== $check ) {933		return (bool) $check;934	}935 936	// Fetch the meta and go on if it's found.937	$meta = get_metadata_by_mid( $meta_type, $meta_id );938	if ( $meta ) {939		$original_key = $meta->meta_key;940		$object_id    = $meta->{$column};941 942		/*943		 * If a new meta_key (last parameter) was specified, change the meta key,944		 * otherwise use the original key in the update statement.945		 */946		if ( false === $meta_key ) {947			$meta_key = $original_key;948		} elseif ( ! is_string( $meta_key ) ) {949			return false;950		}951 952		$meta_subtype = get_object_subtype( $meta_type, $object_id );953 954		// Sanitize the meta.955		$_meta_value = $meta_value;956		$meta_value  = sanitize_meta( $meta_key, $meta_value, $meta_type, $meta_subtype );957		$meta_value  = maybe_serialize( $meta_value );958 959		// Format the data query arguments.960		$data = array(961			'meta_key'   => $meta_key,962			'meta_value' => $meta_value,963		);964 965		// Format the where query arguments.966		$where               = array();967		$where[ $id_column ] = $meta_id;