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[ENXF NET]

I want to change thread titles in my overridden method, I have tried changing _POST and _REQUEST, I can see the global variables were changed successfully, but they are not used in the posted thread. How can I change it? Thanks!

PHP:

public function actionPostThread(ParameterBag $params)
{
       $_REQUEST['title'] = $title;
       $_POST['title'] = $title;
}

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