Esempio n. 1
0
 /**
  * @return string|null
  */
 public function restoreReferer()
 {
     self::$referer = null;
     if (isset($_SESSION[self::KEY_REFERER])) {
         self::$referer = $_SESSION[self::KEY_REFERER];
         unset($_SESSION[self::KEY_REFERER]);
     }
     return self::$referer;
 }