Bug #77433 [NEW]: iterator_to_array incorrect result when using yield from

From: jwurtz at jolicode dot com Operating system: PHP version: 7.1.25 Package: Arrays related Bug Type: Bug Bug description:iterator_to_array incorrect result when using yield from Description: ------------ When using iterator_to_array on a function that return a \Generator, if this function use both yield and yield from it will only put values of the yield from expression. Test script: --------------- <?php function yield1() { yield 'foo'; } function yield2() { yield 'bar'; yield from yield1(); } // Will only display foo var_dump(iterator_to_array(yield2())); // will correctly display each value foreach (yield2() as $data) { var_dump($data); } Expected result: ---------------- It should create an array with all values and not only the one from the yield from expression. Actual result: -------------- Create an array only on the yield from expression -- Edit bug report at https://bugs.php.net/bug.php?id=77433&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77433&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77433&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77433&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=77433&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=77433&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=77433&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=77433&r=needscript Try newer version: https://bugs.php.net/fix.php?id=77433&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=77433&r=support Expected behavior: https://bugs.php.net/fix.php?id=77433&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=77433&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=77433&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=77433&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77433&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=77433&r=dst IIS Stability: https://bugs.php.net/fix.php?id=77433&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=77433&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=77433&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=77433&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=77433&r=mysqlcfg