#50630 [NEW]: Modulo on strings/floats won't work on huge numbers

From: bananen-joe at bananen-joe dot de Operating system: Windows XP SP3 PHP version: 5.3.1 PHP Bug Type: Scripting Engine problem Bug description: Modulo on strings/floats won't work on huge numbers Description: ------------ If you use the modulo operator on huge numbers (which cannot be converted into integers) you get a strange result. Even not error is reported. Reproduce code: --------------- error_reporting(E_ALL); $number = '9999999990'; echo "$number % 10 = ", $number % 10, "<br>"; $number = 9999999990; echo "$number % 10 = ", $number % 10, "<br>"; $number = '99990'; echo "$number % 10 = ", $number % 10, "<br>"; $number = (float) 99990; echo "$number % 10 = ", $number % 10, "<br>"; Expected result: ---------------- 9999999990 % 10 = 0 (or even an error notice/warning) 9999999990 % 10 = 0 (or even an error notice/warning) 99990 % 10 = 0 99990 % 10 = 0 Actual result: -------------- 9999999990 % 10 = 7 9999999990 % 10 = 8 99990 % 10 = 0 99990 % 10 = 0 -- Edit bug report at http://bugs.php.net/?id=50630&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=50630&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=50630&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=50630&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=50630&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=50630&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=50630&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=50630&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=50630&r=needscript Try newer version: http://bugs.php.net/fix.php?id=50630&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=50630&r=support Expected behavior: http://bugs.php.net/fix.php?id=50630&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=50630&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=50630&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=50630&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=50630&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=50630&r=dst IIS Stability: http://bugs.php.net/fix.php?id=50630&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=50630&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=50630&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=50630&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=50630&r=mysqlcfg