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Bug #32448 Modulo problem
Submitted: 2005-03-24 22:48 UTC Modified: 2005-03-25 01:04 UTC
Avg. Score:5.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: pmorissette at serviceoptimal dot com Assigned:
Status: Not a bug Package: *Math Functions
PHP Version: 4.3.9 OS: win 2000
Private report: No CVE-ID: None
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From: pmorissette at serviceoptimal dot com
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 [2005-03-24 22:48 UTC] pmorissette at serviceoptimal dot com
I have to use modulo fonction. There is a big problem, some time the fucntion did't give me the good value
I try whit fmod() function with %. I send you the test code for this fonction.

It Very important.

I use php on win 2000 french staion
Tanks for your time 

Philippe Morissette 

Reproduce code:

$temp=fmod(76.55 , 15.31);
$temp2= 76.55 % 15.31;
print $temp;
print '<br>';
print $temp2


Expected result:
$temp = 0;
$temp2 = 0;

Actual result:
$temp = 15.31;
$temp2 = 1;


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 [2005-03-25 01:04 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

In 2nd case the values get converted to ints before modulus is applied and in the 1st instance floats are used.
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