Tracking::readFromRequest

static function readFromRequest()
{
	$request = MainContext::getCurrent()->getRequest();
	$tag = $request->get('tag');
	if (!$tag)
	{
		return false;
	}

	try
	{
		$data = static::parseTag($tag);
		$data['FIELDS']['IP'] = $request->getRemoteAddress();
		return static::read($data);
	}
	catch (SystemException $exception)
	{
		return false;
	}
}