Bug #78271 [NEW]: Invalid result of if-else

From: marekc at softel dot com dot pl Operating system: Linux Debian 8.11 64bit PHP version: 7.3.7 Package: *Programming Data Structures Bug Type: Bug Bug description:Invalid result of if-else Description: ------------ The test script should print "block1" but on 7.3.7 prints "none1". Also tested on 7.2 and 7.1, it's "block1" there. Test script: --------------- <? function test($a, $b){ if($a==10){$w="x";}else{$w="y";} if($b){$d1="none";$d2="block";}else{$d1="block";$d2="none";} echo $d2.$b; } test(1,1); ?> Expected result: ---------------- block1 Actual result: -------------- none1 -- Edit bug report at https://bugs.php.net/bug.php?id=78271&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78271&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78271&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78271&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78271&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78271&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78271&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78271&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78271&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78271&r=support Expected behavior: https://bugs.php.net/fix.php?id=78271&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78271&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78271&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78271&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78271&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78271&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78271&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78271&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78271&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78271&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78271&r=mysqlcfg