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run code in 300+ PHP versions simultaneously
<?php $matchVal = array(); $nowScore = 1; $matchVal[$nowScore] = array(); $nowScore = 4; $matchVal[$nowScore] = array(); ksort($matchVal); foreach($matchVal as $key => $val) { print($key." --> ".$val); } php?>

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42.55 ms | 402 KiB | 5 Q