CWizardBase::GetVar

function GetVar($varName, $useDefault = false)
{
	$varName = str_replace("[]", "", $varName);
	$trueName = $this->GetRealName($varName);

	if (array_key_exists($trueName, $_REQUEST))
		return $_REQUEST[$trueName];
	elseif(mb_strpos($trueName, '['))
	{
		$varValue = $this->__GetComplexVar($trueName, $_REQUEST);
		if($varValue !== null)
		{
			return $varValue;
		}
		elseif($useDefault)
		{
			return $this->GetDefaultVar($varName);
		}
	}
	elseif ($useDefault)
		return $this->GetDefaultVar($varName);

	return null;
}