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run code in 300+ PHP versions simultaneously
<?php $items = array(); for($i = 0; $i < 1000; $i++) { $items[] = true; } unset($items[508]); for($i = 0; $i < 1000; $i++) { $x = $items; sort($x); }

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53.6 ms | 402 KiB | 5 Q