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run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3,4,5,6,7,8,9]; foreach ($a as $key => &$value) { if ($key === 400000) { unset($a[$key]); // var_dump(key($a)); // break; } var_dump(current($a)); } // var_dump(key($a));

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60.74 ms | 402 KiB | 5 Q