From: hsunke at muenster dot de Operating system: Debian Linux PHP version: 5.1.4 PHP Bug Type: Math related Bug description: strange behavior of intval()
Description: ------------ I know about "unpredictable" issues with floatingpoint calculations, but this one is quite funny: ... echo intval(100*(27/100)); //output: 27 echo intval(100*(28/100)); //output: 28 echo intval(100*(29/100)); //output: 28 echo intval(100*(30/100)); //output: 30 echo intval(100*(31/100)); //output: 31 ... Reproduce code: --------------- echo intval(100*(29/100)); Expected result: ---------------- 29 Actual result: -------------- 28 -- Edit bug report at http://bugs.php.net/?id=37554&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=37554&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=37554&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=37554&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=37554&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=37554&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=37554&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=37554&r=needscript Try newer version: http://bugs.php.net/fix.php?id=37554&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=37554&r=support Expected behavior: http://bugs.php.net/fix.php?id=37554&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=37554&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=37554&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=37554&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=37554&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=37554&r=dst IIS Stability: http://bugs.php.net/fix.php?id=37554&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=37554&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=37554&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=37554&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=37554&r=mysqlcfg