Hi there,
I'm trying to calculate check digits for a payment system, using the ISO
7064 (MOD 97-10) algorithm, wich is, already translated to PHP:
$check=98-fmod(($num*100),97);
Where $num is a huge number...
Example: 90150123123400043211 should have check digit 51
In windows calculator: 98 - ( (90150123123400043211 * 100) mod 97) works OK
and I get 51 as result
In PHP I get 13...
Any problems with the number beeing this huge?
Notice that I tried to "echo number_format(90150123123400043211+1);", in
order to test some math on this number, and got "90,150,123,123,400,040,000"
wich is strange...
If possible, please reply to [EMAIL PROTECTED]
Thanks in advance.
Marco Almeida
Project Manager
WEBDADOS
Tecnologias de Informação
Telef.: +351 21 466 93 00
Fax: +351 21 466 42 81
Móvel: +351 96 324 43 44
Email: [EMAIL PROTECTED]
www: http://www.webdados.pt
Morada: R. 9 de Abril, 3-3A, Sala 4
2765-545 S. Pedro do Estoril
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