Image now a file

exam/config/Config.php

@@ -39,6 +39,11 @@ class Config
     return Config::getInstance()->app["basePath"];
   }
 
+  public static function getBaseFSPath()
+  {
+    return Config::getInstance()->app["baseFSPath"];
+  }
+
   public static function getDatabase()
   {
     return Config::getInstance()->database;