Feature::isFeatureEnabled

static function isFeatureEnabled($featureId)
{
	$featureId = (string)$featureId;
	if ($featureId === '')
		return false;
	if (!isset(self::$featureList[$featureId]))
	{
		if (self::isBitrix24())
		{
			if (isset(self::$bitrix24exist[$featureId]))
				self::$featureList[$featureId] = Bitrix24Feature::isFeatureEnabled($featureId);
			else
				self::$featureList[$featureId] = true;
		}
		else
		{
			if (isset(self::$retailExist[$featureId]))
				self::$featureList[$featureId] = CBXFeatures::IsFeatureEnabled(self::$tranferList[$featureId]);
			else
				self::$featureList[$featureId] = true;
		}
	}
	return self::$featureList[$featureId];
}