#45897 [NEW]: Invalid valid return for modulus
| From: | hengkhee at gmail dot com | Date: | Sat, 23 Aug 2008 13:09:02 +0000 |
| Subject: | #45897 [NEW]: Invalid valid return for modulus | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-128339@lists.php.net to get a copy of this message | ||
From: hengkhee at gmail dot com
Operating system: UBuntu 8.04, CentOS 5.0
PHP version: 5.2.6
PHP Bug Type: Math related
Bug description: Invalid valid return for modulus
Description:
------------
- Modulus error, please refer to code.
- Using default package/installation from Ubuntu 8.04 Server/Desktop and
CentOS 5.0
- Using default php.ini from distro.
Reproduce code:
---------------
$var1 = 0.15 * 3 * 100;
echo ($var1 % 5); # Output "4", unexpected result
echo ((0.15 * 3 * 100) % 5); # Output "4", unexpected result
echo (45.00 % 5); # Output "0", correct result
echo (45 % 5); # Output "0", correct result
echo (($var1."") % 5); # Output "0", correct result
Expected result:
----------------
Correct result = "0" for all above sample.
Actual result:
--------------
Please refer to above sample code.
--
Edit bug report at http://bugs.php.net/?id=45897&edit=1
--
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=45897&r=trysnapshot52
Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=45897&r=trysnapshot53
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=45897&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=45897&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=45897&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=45897&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=45897&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=45897&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=45897&r=support
Expected behavior: http://bugs.php.net/fix.php?id=45897&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=45897&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=45897&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=45897&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=45897&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=45897&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=45897&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=45897&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=45897&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=45897&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=45897&r=mysqlcfg