Bug #70598 [NEW]: Comparison fails for array values of type float

From: mv dot pestov at gmail dot com Operating system: Debian Wheezy PHP version: 5.6.13 Package: Arrays related Bug Type: Bug Bug description:Comparison fails for array values of type float Description: ------------ When populating an array with values of type float from loop and then the comparison (==) fails. If create an array using array() this bug not reproduces. Test script: --------------- <?php $array = array(); for($i = 1.4; $i <= 2; $i += 0.2) { $array[] = $i; } if($array[3] == 2) echo 'true'; else echo 'false'; Expected result: ---------------- true Actual result: -------------- false -- Edit bug report at https://bugs.php.net/bug.php?id=70598&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70598&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70598&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70598&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70598&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70598&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70598&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70598&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70598&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70598&r=support Expected behavior: https://bugs.php.net/fix.php?id=70598&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70598&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70598&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70598&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70598&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70598&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70598&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70598&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70598&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70598&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70598&r=mysqlcfg