Dont allow unserializing classes with a destructor

Author: jderusse

Util/OrderedHashMapIterator.php

@@ -76,6 +76,16 @@ public function __construct(array &$elements, array &$orderedKeys, array &$manag
         $this->managedCursors[$this->cursorId] = &$this->cursor;
     }
 
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+    }
+
     /**
      * Removes the iterator's cursors from the managed cursors of the
      * corresponding {@link OrderedHashMap} instance.