bljeko

<html>
<head>
<title>Online PHP Script Execution</title>
</head>
<body>
<?php
   $banka = '100100';
   $banka_backup = $banka;
   $racun = '170003600';
   $racun_backup = $racun;

   $kontrolna_banka = 10;

   while ($banka != "")
   {
     $kontrolna_banka = ((($banka[0] + $kontrolna_banka)%10)*2)%11;
     $banka = substr($banka,1);
   }
   $kontrolna_banka = 11 - $kontrolna_banka;


   $kontrolna_racun = 10;

   while ($racun != "")
   {
     $kontrolna_racun = ((($racun[0] + $kontrolna_racun)%10)*2)%11;
     $racun = substr($racun,1);
   }

   $kontrolna_racun = 11 - $kontrolna_racun;

   echo $banka_backup . '<font color="red">' . $kontrolna_banka . '</font>' . $racun_backup . '<font color="red">' . $kontrolna_racun . '</font>';

?>


<?php


?>

</body>
</html>