*
* @param string $cookieValue The string in which to find the ID.
*
- * @return integer|null The block ID, or null if the HMAC is present and invalid.
+ * @return int|null The block ID, or null if the HMAC is present and invalid.
*/
public static function getIdFromCookieValue( $cookieValue ) {
// Extract the ID prefix from the cookie value (may be the whole value, if no bang found).