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Bug #29822 Modulo ( % ) return a bad result
Submitted: 2004-08-24 19:42 UTC Modified: 2004-08-24 19:58 UTC
From: simon dot vandaele at wanadoo dot fr Assigned:
Status: Not a bug Package: *Math Functions
PHP Version: 5.0.1 OS: Windows Xp Family Edition
Private report: No CVE-ID: None
 [2004-08-24 19:42 UTC] simon dot vandaele at wanadoo dot fr
Script with problem :

$a = 1095976800000;
$b = 1072147440000;

print ($a-$b)%2551443000;


It return -196919480, the correct value is 866373000.

Configure line :
 	cscript /nologo configure.js "--with-gd=shared" "--enable-snapshot-build"


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 [2004-08-24 19:59 UTC]
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at and the instructions on how to report
a bug at

Those numbers are too large for php and they are converted to float. And you can\'t do a % on floating point numbers.
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