system/HTTP/IncomingRequest.php
public function getCookie($index = null, $filter = null, $flags = null)
	{
		return $this->fetchGlobal('cookie', $index, $filter, $flags);
	}
public function getCookie($index = null, $filter = null, $flags = null)
	{
		return $this->fetchGlobal('cookie', $index, $filter, $flags);
	}
Fetch an item from the COOKIE array.

@param string|array|null $index  Index for item to be fetched from $_COOKIE
@param integer|null      $filter A filter name to be applied
@param mixed             $flags

@return mixed