Ids::getFormCache

static function getFormCache(string $id)
{
	$cacheId = implode('_', [self::$cacheId, $id]);

	if (self::getCacheObject()->InitCache(self::$cacheTtl, $cacheId, self::$cacheDir)
		&& ($tmpVal = self::getCacheObject()->GetVars())
	)
	{
		return $tmpVal;
	}
	return null;
}