Bug #78077 [NEW]: move_uploaded_file ignores stream_flush return value of reg. streamWrapper

From: daniel dot pernold at gmail dot com Operating system: Ubuntu 18.04 PHP version: 7.2.18 Package: Streams related Bug Type: Bug Bug description:move_uploaded_file ignores stream_flush return value of reg. streamWrapper Description: ------------ PHP 7.2.17-0ubuntu0.18.04.1 (cli) (built: Apr 18 2019 14:12:38) ( NTS ) When using move_uploaded_file with a stream wrapper url as destination, the return value of the method stream_flush is ignored. The function move_uploaded_file always returns true, even if stream_flush returns false. Test script: --------------- class MyStreamWrapper { ... public function stream_write($data) { return 1; } public function stream_flush() { return false; } ... } stream_wrapper_register('my-wrapper', \MyStreamWrapper::class, 0); $res = move_uploaded_file($_FILES['uploaded_file']['tmp_name'], 'my-wrapper://' . basename($_FILES['uploaded_file']['name'])); stream_wrapper_unregister('my-wrapper'); echo $res ? 'true' : 'false'; Expected result: ---------------- false Actual result: -------------- true -- Edit bug report at https://bugs.php.net/bug.php?id=78077&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78077&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78077&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78077&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78077&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78077&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78077&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78077&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78077&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78077&r=support Expected behavior: https://bugs.php.net/fix.php?id=78077&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78077&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78077&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78077&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78077&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78077&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78077&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78077&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78077&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78077&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78077&r=mysqlcfg