<?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 $y+0+($y?2:1);
$s = substr($l,0,$z-1);
$a[$y+0+($y?2:1)][] = strpos($s,"/")?"1":(strpos($s,"\\")?"2":"3");
$s = substr($l,$z);
$a[$y+1+($y?2:1)][] = strpos($s,"/")?"1":(strpos($s,"\\")?"2":"3");
$i++;
}
return $a;
}
preferences:
45.52 ms | 402 KiB | 5 Q