Bug #78017 [NEW]: Null coalesce operator in if paranthesis causes unexpected behaviour

From: dorndorf at featdd dot de Operating system: macOS 10.14.4 PHP version: 7.2.18 Package: PHP Language Specification Bug Type: Bug Bug description:Null coalesce operator in if paranthesis causes unexpected behaviour Description: ------------ Using the null coalesce operator inside an if paranthesis using and resulting in false will match the condition anyway when the returned value is true. Test script: --------------- if (true ?? false && 0 > 0) { echo 'Should not be true'; } -- Edit bug report at https://bugs.php.net/bug.php?id=78017&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78017&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78017&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78017&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78017&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78017&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78017&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78017&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78017&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78017&r=support Expected behavior: https://bugs.php.net/fix.php?id=78017&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78017&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78017&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78017&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78017&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78017&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78017&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78017&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78017&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78017&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78017&r=mysqlcfg