Bug #75155 [NEW]: AppendIterator::append() is broken when appending another AppendIterator

From: bschussek at gmail dot com Operating system: ubuntu 16.04 LTS PHP version: 7.1.9 Package: SPL related Bug Type: Bug Bug description:AppendIterator::append() is broken when appending another AppendIterator Description: ------------ When passing another AppendIterator to AppendIterator::append(), the entire AppendIterator is returned during iteration instead of the individual entries. Test script: --------------- <?php $array_a = new ArrayIterator(array('a', 'b', 'c')); $array_b = new ArrayIterator(array('d', 'e', 'f')); $iterator = new AppendIterator; $iterator->append($array_a); $iterator2 = new AppendIterator; $iterator2->append($iterator); $iterator2->append($array_b); foreach ($iterator2 as $current) { echo $current; } Expected result: ---------------- abcdef Actual result: -------------- PHP Catchable fatal error: Object of class ArrayIterator could not be converted to string -- Edit bug report at https://bugs.php.net/bug.php?id=75155&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75155&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75155&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75155&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75155&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75155&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75155&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75155&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75155&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75155&r=support Expected behavior: https://bugs.php.net/fix.php?id=75155&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75155&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75155&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75155&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75155&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75155&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75155&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75155&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75155&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75155&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75155&r=mysqlcfg