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exam/classes/Input/Input.php

@@ -31,6 +31,6 @@ class Input
   public static function file(string $index, $defaultValue = null)
   {
     $value = Request::request()->getInputHandler()->file($index, $defaultValue);
-    return !is_object($value) ? $value : $value->getValue();
+    return $value;
   }
 }