/**
* @param $fileName string
+ * @throws MWException
*/
function __construct( $fileName ) {
$this->fileName = $fileName;
/**
* Unpack an unsigned integer and throw an exception if it needs more than 31 bits
* @param $s
- * @return
+ * @throws MWException
+ * @return mixed
*/
protected function unpack31( $s ) {
$data = unpack( 'V', $s );