system/HTTP/IncomingRequest.php
public function getGet($index = null, $filter = null, $flags = null)
	{
		return $this->fetchGlobal('get', $index, $filter, $flags);
	}
public function getGet($index = null, $filter = null, $flags = null)
	{
		return $this->fetchGlobal('get', $index, $filter, $flags);
	}
Fetch an item from GET data.

@param string|array|null $index  Index for item to fetch from $_GET.
@param integer|null      $filter A filter name to apply.
@param mixed|null        $flags

@return mixed