각 변수명으로 변경하기 - extract

  if($_GET) {
	foreach ($_GET as $key => $value) {
		$data[$key] = $this->input->get($key);
	}
}

if($_POST) {
	foreach ($_POST as $key => $value) {
		$data[$key] = $this->input->post($key);
	}
}

if($_COOKIE) {
	foreach ($_COOKIE as $key => $value) {
		$data[$key] = $this->input->cookie($key);
	}
}

if($_SERVER) {
	foreach ($_SERVER as $key => $value) {
		$data[$key] = $this->input->server($key);
	}
}