Bug #69889 [NEW]: Null coalesce operator doesn't work for string offsets

From: me at kelunik dot com Operating system: PHP version: 7.0.0alpha1 Package: *General Issues Bug Type: Bug Bug description:Null coalesce operator doesn't work for string offsets Description: ------------ http://3v4l.org/lsoFA Test script: --------------- <?php $foo = "test"; var_dump($foo[0] ?? "default"); var_dump($foo[5] ?? "default"); var_dump(isset($foo[5]) ? $foo[5] : "default"); Expected result: ---------------- string(1) "t" string(7) "default" string(7) "default" Actual result: -------------- string(1) "t" string(0) "" string(7) "default" -- Edit bug report at https://bugs.php.net/bug.php?id=69889&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=69889&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=69889&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=69889&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=69889&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=69889&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=69889&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=69889&r=needscript Try newer version: https://bugs.php.net/fix.php?id=69889&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=69889&r=support Expected behavior: https://bugs.php.net/fix.php?id=69889&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=69889&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=69889&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=69889&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=69889&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=69889&r=dst IIS Stability: https://bugs.php.net/fix.php?id=69889&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=69889&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=69889&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=69889&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=69889&r=mysqlcfg