Bug #68330 [NEW]: Problem with range function and float

From: gcrispyn at assessfirst dot com Operating system: Linux PHP version: 5.5.18 Package: PHP Language Specification Bug Type: Bug Bug description:Problem with range function and float Description: ------------ When you want to know if (float)7.8 value is in the range between 7 and 10 with a step of 0.1, the result is false. But, when you use the same function with a range between 6 and 10, the result is true. Expected result: ---------------- var_dump(in_array(7.8, range(6, 10, .1))); --> true var_dump(in_array(7.8, range(7, 10, .1))); --> true Actual result: -------------- var_dump(in_array(7.8, range(6, 10, .1))); --> true var_dump(in_array(7.8, range(7, 10, .1))); --> false -- Edit bug report at https://bugs.php.net/bug.php?id=68330&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68330&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68330&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68330&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68330&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68330&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68330&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68330&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68330&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68330&r=support Expected behavior: https://bugs.php.net/fix.php?id=68330&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68330&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68330&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68330&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68330&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68330&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68330&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68330&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68330&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68330&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68330&r=mysqlcfg