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<?php // $gen = (function () { yield from range('a', 'z'); })(); function xrange() { foreach (range('a','z') as $l) yield $l; } $gen = xrange(); $c = 0; foreach ($gen as $k => $v) { echo $v . PHP_EOL; if ($c++ > 2) { break; } } foreach ($gen as $k => $v) { echo $v . PHP_EOL; break; }
Output for git.master, git.master_jit, rfc.property-hooks
a b c d Fatal error: Uncaught Exception: Cannot rewind a generator that was already run in /in/Zs7Hi:17 Stack trace: #0 {main} thrown in /in/Zs7Hi on line 17
Process exited with code 255.

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