Name	Size	Mode	Actions
Address.php	6422	0644	editdlrm
check_digit.php	923	0644	editdlrm
Company.php	942	0644	editdlrm
Internet.php	332	0644	editdlrm
Payment.php	4496	0644	editdlrm
Person.php	7349	0644	editdlrm
PhoneNumber.php	4746	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; }