Name	Size	Mode	Actions
Address.php	6341	0644	editdlrm
check_digit.php	958	0644	editdlrm
Company.php	933	0644	editdlrm
Internet.php	322	0644	editdlrm
Payment.php	4437	0644	editdlrm
Person.php	10477	0644	editdlrm
PhoneNumber.php	4698	0644	editdlrm

= 12; $verifier = 0; for ($i = 1; $i <= $length; $i++) { if (!$second_algorithm) { $multiplier = $i + 1; } else { $multiplier = ($i >= 9) ? $i - 7 : $i + 1; } $verifier += $numbers[$length - $i] * $multiplier; } $verifier = 11 - ($verifier % 11); if ($verifier >= 10) { $verifier = 0; } return $verifier; }