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Hi,
suche dringend ein aktuelles script zur validierung von Kreditkarten-nummern. Meins scheint valide Nummern als nicht valide auszuwerfen.
Danke der Trallala
suche dringend ein aktuelles script zur validierung von Kreditkarten-nummern. Meins scheint valide Nummern als nicht valide auszuwerfen.
PHP-Code:
<?php
class CCVAL
{
var $ccExpM = 0;
var $ccExpY = 0;
function _checkSum($ccnum)
{
$checksum=0;
for ($i=(2 - (strlen($ccnum) % 2)); $i <= strlen($ccnum); $i+=2)
{
$checksum+=(int)($ccnum{$i - 1});
}
// Analyze odd digits in even length strings or even digits in odd length strings.
for ($i=(strlen($ccnum) % 2) + 1; $i < strlen($ccnum); $i+=2)
{
$digit = (int)($ccnum{$i - 1}) * 2;
if ($digit < 10)
{
$checksum+=$digit;
}
else
{
$checksum+=($digit - 9);
}
}
if (($checksum % 10) == 0)
return true;
else
return false;
}
function isVAlidCreditCard($ccnum, $type = "", $returnobj = false)
{
/*American Express=1, Diners Club=2, Japan Credit Bureau=3, MasterCard=4, Visacard=5
passing the Mod 10 algorithm, a credit card number must also pass several different formatting rules
-> American Express: Must have a prefix of 34 or 37, and must be 15 digits in length
-> Diners Club: Must have a prefix of 300 to 305, 36, or 38, and must be 14 digits in length
-> JCB: Must have a prefix of 3, 1800, or 2131, and must be either 15 or 16 digits in length
-> Mastercard: Must have a prefix of 51 to 55, and must be 16 digits in length
-> Visa: Must have a prefix of 4, and must be either 13 or 16 digits in length
^
*/
$creditcard=array
(
"1" => "/^3[47][0-9]{13}$/",
"2" => "/^3(0[0-5]|[68][0-9])[0-9]{11}$/",
"3" => "/^(3[0-9]{4}|2131|1800)[0-9]{11}/",
"4" => "/^5[1-5][0-9]{14}$/",
"5" => "/^4[0-9]{12}([0-9]{3})?$/"
);
if (empty($type))
{
$match=false;
foreach ($creditcard as $type => $pattern)
if (preg_match($pattern, $ccnum) == 1)
{
$match=true;
break;
}
if (!$match)
return false;
else
{
if ($returnobj)
{
$return =new stdclass;
$return->valid=$this->_checkSum($ccnum);
$return->ccnum=$ccnum;
$return->type =$type;
return $return;
}
else
return $this->_checkSum($ccnum);
}
}
else
{
if (@preg_match($creditcard[strtolower(trim($type))], $ccnum) == 0)
return false;
else
{
if ($returnobj)
{
$return =new stdclass;
$return->valid=$this->_checkSum($ccnum);
$return->ccnum=$ccnum;
$return->type =$type;
return $return;
}
else
return $this->_checkSum($ccnum);
}
}
}
function checkExpired($ccExpM, $ccExpY)
{
// Get the current year
$currentYear=date('Y');
settype($currentYear, 'integer');
// Get the current year
$currentMonth=date('m');
settype($currentMonth, 'integer');
if (($ccExpY < $currentYear) || ($ccExpM < $currentMonth))
return FALSE;
else
return TRUE;
}
}
$cc=new CCVAL;
?>
Moderator
ENDE MIT OT!
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