Bug #75173 [NEW]: AppendIterator: Changes within foreach ignored

From: gharlan at web dot de Operating system: PHP version: 7.1.9 Package: SPL related Bug Type: Bug Bug description:AppendIterator: Changes within foreach ignored Description: ------------ https://3v4l.org/itLi1 I guess the change was introduced by https://github.com/php/php-src/pull/2499 Test script: --------------- <?php $it = new \AppendIterator(); $it->append(new ArrayIterator(['foo'])); foreach ($it as $item) { echo $item; if ('foo' === $item) { $it->append(new ArrayIterator(['bar'])); } } Expected result: ---------------- foobar Actual result: -------------- foo -- Edit bug report at https://bugs.php.net/bug.php?id=75173&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75173&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75173&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75173&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75173&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75173&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75173&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75173&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75173&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75173&r=support Expected behavior: https://bugs.php.net/fix.php?id=75173&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75173&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75173&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75173&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75173&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75173&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75173&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75173&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75173&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75173&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75173&r=mysqlcfg