$this->request->getVar('foo'),
'$_GET' => (isset($_GET['foo']) ? $_GET['foo'] : null),
'getGet' => $this->request->getGet('foo'),
'getPost' => $this->request->getPost('foo'),
'getPostGet' => $this->request->getPostGet('foo'),
'getGetPost' => $this->request->getGetPost('foo'),
'getServer' => $this->request->getServer('HTTP_REFERER'),
'getCookie' => $this->request->getCookie('foo'),
]);
}
}