#44204 [NEW]: intval makes very big mistakes

From: bugs at kathaus dot nl Operating system: Linux PHP version: 5.2.5 PHP Bug Type: Variables related Bug description: intval makes very big mistakes Description: ------------ see a page I created to show this bug: http://www.budgetdedicated.com/phpbug.php Reproduce code: --------------- for quick reproduction: $v=18.82; $v=$v*100; $v=intval($v); echo $v."\n"; // 1820 = OK $v=18.81; $v=$v*100; $v=intval($v); echo $v."\n"; // 1800 = BAD Expected result: ---------------- intval (18.81*100) == 1881 Actual result: -------------- 1880 -- Edit bug report at http://bugs.php.net/?id=44204&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=44204&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=44204&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=44204&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=44204&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=44204&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=44204&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=44204&r=needscript Try newer version: http://bugs.php.net/fix.php?id=44204&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=44204&r=support Expected behavior: http://bugs.php.net/fix.php?id=44204&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=44204&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=44204&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=44204&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=44204&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=44204&r=dst IIS Stability: http://bugs.php.net/fix.php?id=44204&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=44204&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=44204&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=44204&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=44204&r=mysqlcfg