* @param string $mimeType the mime-type we want extensions for
* @return array
*/
- public static function getAcceptableExtensionsForMimeType($mimeType = NULL) {
+ public static function getAcceptableExtensionsForMimeType($mimeType = []) {
$mimeRepostory = new \MimeTyper\Repository\ExtendedRepository();
return $mimeRepostory->findExtensions($mimeType);
}