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Bug #11435 Floats are not handled correctly by printf?
Submitted: 2001-06-12 09:23 UTC Modified: 2001-06-12 13:23 UTC
From: tem at iocus dot com Assigned:
Status: Not a bug Package: Variables related
PHP Version: 4.0 Latest CVS (2001-06-12) OS: Linux (Mandrake & Redhat)
Private report: No CVE-ID: None
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From: tem at iocus dot com
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 [2001-06-12 09:23 UTC] tem at iocus dot com 
<?php
$test="2.03";
$amount=($test*100);
echo $amount . "\n";
printf("%06d\n",$amount);
$amount=(2.03*100);
printf("%06d\n",$amount);
?>


Produces the following output:

203
000202
000202

My math is a little fuzzy but I think 2.03 * 100 = 203. This
used to work in php 3.x but seems to be broken since the 4.x
beta.

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 [2001-06-12 13:23 UTC] sniper@php.net 
The famous rounding issue.
By using 'f' (float) would give you correct result.
Not a bug.

--Jani
 
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