Bug #78223 [NEW]: DirectoryIterator entries invalidated after its destruction

From: zerkms at zerkms dot ru Operating system: linux PHP version: 7.3.6 Package: SPL related Bug Type: Bug Bug description:DirectoryIterator entries invalidated after its destruction Description: ------------ It's reproducible on all php >= 7 versions (including 7.4-rc) I probably am missing something, but I cannot find it documented anywhere, hence the behaviour surprises me. Test script: --------------- <?php $files = iterator_to_array(new DirectoryIterator(__DIR__)); var_dump($files[0]->getRealPath()); foreach (new DirectoryIterator(__DIR__) as $f) { var_dump($f->getRealPath()); break; } Expected result: ---------------- string(4) "/app" string(4) "/app" Actual result: -------------- bool(false) string(4) "/app" -- Edit bug report at https://bugs.php.net/bug.php?id=78223&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78223&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78223&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78223&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78223&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78223&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78223&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78223&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78223&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78223&r=support Expected behavior: https://bugs.php.net/fix.php?id=78223&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78223&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78223&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78223&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78223&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78223&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78223&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78223&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78223&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78223&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78223&r=mysqlcfg