Bug #68830 [NEW]: in_array() always returns true when associative array contains 0 as the value

From: christopher dot r dot haley at gmail dot com Operating system: PHP version: 5.5.20 Package: Scripting Engine problem Bug Type: Bug Bug description:in_array() always returns true when associative array contains 0 as the value Description: ------------ --- From manual page: http://www.php.net/function.in-array --- From phpinfo(), the version is: 5.5.9-1ubuntu4.5 but that was not a choice in the drop down. It seems to span over other versions as well. Test script: --------------- $arr = array("a" => 0); echo intval(in_array("b", $arr)); Expected result: ---------------- Expected output is 0 (false) when the first argument is not present in second argument. Actual result: -------------- Output is 1 (true) regardless of the first argument. -- Edit bug report at https://bugs.php.net/bug.php?id=68830&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68830&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68830&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68830&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68830&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68830&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68830&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68830&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68830&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68830&r=support Expected behavior: https://bugs.php.net/fix.php?id=68830&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68830&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68830&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68830&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68830&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68830&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68830&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68830&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68830&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68830&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68830&r=mysqlcfg