- print_r: documentation ( source)
- explode: documentation ( source)
<?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);