Bug #72348 [NEW]: Ignored variable value in if-request when switching the var type

From: toastboot at gmx dot de Operating system: Win 7 PHP version: 5.6.22 Package: *General Issues Bug Type: Bug Bug description:Ignored variable value in if-request when switching the var type Description: ------------ In advance I have to say, that it is not version 5.6.22 but 5.6.3 (german XAMPP installation) where I found the issue. I can't find this version in your list. Maybe you can change your list and then refer it correctly?!? Normally I like the variable handling in PHP, that includes the possibility to be able to switch between var types but there is an issue with the var types. It can occur that an if-request will ignore the variable value... See more in the test script / example as follows... Additional warning: I have not made any deeper checks but maybe it can cause security issues. In a simple check I saw, that it seems not to be possible to cause this issue via GET. There it works correctly (in my test scenario) but maybe there are other possibilities... Test script: --------------- $the_variable = 0; /* make sth */ if($the_variable == "stop") { # 'the_variable' is still set to 0 echo "hello"; } # This will cause the wrong behaviour that the code within the if-request will be executed / 'hello' is displayed. # now try it vice versa: $the_variable = "stop"; if($the_variable == 0) { echo "hello"; } # The second if-request works as expected. ## Workaround ## # use '===' instead of '==' -- Edit bug report at https://bugs.php.net/bug.php?id=72348&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=72348&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=72348&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=72348&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=72348&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=72348&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=72348&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=72348&r=needscript Try newer version: https://bugs.php.net/fix.php?id=72348&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=72348&r=support Expected behavior: https://bugs.php.net/fix.php?id=72348&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=72348&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=72348&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=72348&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72348&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=72348&r=dst IIS Stability: https://bugs.php.net/fix.php?id=72348&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=72348&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=72348&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=72348&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=72348&r=mysqlcfg