Online PHP editor | output for Wtr0A

<?php $map = ' \\ / / / / / \\ \\ \\ / \\ /\\ \\/ \\ / \\ \\ \\ \\ \\ \\ / /'; var_dump( r($map)); function r($m){ $z=strpos($m,"/\\"); $z-=strrpos(substr($m,0,$z),"\n"); $ls=explode("\n",$m);$i=0; $a=[1=>0,2=>0,3=>0,4=>0]; foreach($ls as $l){ $y=$i<count($ls)/2?0:1;echo $y+1+$y?2:1; // $s = substr($l,0,$z-1); // $a[$y+0+$y?2:1]++;//[] = strpos($s,"/")?"/":(strpos($s,"\\")?"\\":""); // $s = substr($l,$z); // $a[$y+1+$y?2:1]++;//[] = strpos($s,"/")?"/":(strpos($s,"\\")?"\\":"");; $i++; } return $a; }