Tester::cutCodes

protected function cutCodes(array $codes, $isRemoveLast = false)
{
	$length = (int) Option::get('sender', 'max_last_codes', 0);
	$length = $length > 0 ? $length : self::MAX_LAST_CODES;
	if ($isRemoveLast)
	{
		$length -= 1;
	}
	return array_slice($codes, 0, $length);
}