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<?php $it = new NoRewindIterator(new EmptyIterator); var_dump($it->valid()); foreach ($it as $k => $v) { var_dump($k, $v); }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.26, 8.0.0 - 8.0.13, 8.1rc1 - rc3
bool(false)

preferences:
22.26 ms | 460 KiB | 5 Q