<?php $A = "µPhysik I~1µ"; $Ar = explode("µµ", trim(substr($A, 1, -1))); print_r($Ar); $A = count($Ar) > 0 ? "µ".implode("µµ", $Ar)."µ" : ""; print_r($A); $Ar = explode("µµ", substr($A, 1, -1)); print_r($Ar); print_r(explode("~", $Ar[0]));
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