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run code in 300+ PHP versions simultaneously
<?php $array = ['Hello', 'World']; $innerIterator = (new ArrayObject($array))->getIterator(); var_dump($innerIterator->valid()); $iteratorIterator = new IteratorIterator($innerIterator); var_dump($iteratorIterator->valid());
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(true) bool(false)
preferences:
141.55 ms | 407 KiB | 5 Q