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run code in 300+ PHP versions simultaneously
<?php $txt = "nmzdmfn,456,789~012,345~678!!!901~234!!!567~890!!!1234~5678, hbkj,m,"; foreach(explode(",",$txt) AS $key => $subarray) { $array[$key] = explode("\n",$subarray); } print_r($array);

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37.34 ms | 402 KiB | 5 Q