Online PHP editor | output for HbW3W

@ 2015-10-06T22:22:12Z

<?php
$map = '                  \\
      /          /
       /        /
        /      \\
         \\    \\
          /  \\
           /\\
           \\/
          \\  /
         \\    \\
        \\      \\
       \\        \\
      /          /';
echo( r($map)['s']);

function r($m){
    $z=strpos($m,"/\\");
    $z-=strrpos(substr($m,0,$z),"\n");
    $ls=explode("\n",$m);$i=0;
    foreach($ls as $l){
        $y=$i<count($ls)/2?0:1;
        foreach([0,1] as $x){
            $s = substr($l,$x?($z-1):0,$x?$z*$z:$z);
            $a[$y+$x+($y?2:1)][] = strpos($s,"/")?"/":(strpos($s,"\\")?"\\":"");
        }
        $i++;
    }
    $n=1;
    foreach($a as $k=>$p){
        $t=$p[$k<3?count($p)-1:0];
        $s=0;$x=0;$b[$k]['s']='';
        for($j=count($p)-1;$j>=0;$j--){
            if($p[$j]){
                $b[$k]['s'] .= strpad("",$j," ").($p[$j] === $t ? '/' : '_')."\n";
                $s+=$p[$j]==$t?1:0;
                $x++;
            }
        }
        $b[$k]['t']=$s/$x;
        $n=$b[$k]['t']<$b[$n]['t']?$k:$n;
    }
    return $b[$n];
}

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Fatal error: Uncaught Error: Call to undefined function strpad() in /in/HbW3W:35 Stack trace: #0 /in/HbW3W(15): r(' ...') #1 {main} thrown in /in/HbW3W on line 35
Process exited with code 255.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Call to undefined function strpad() in /in/HbW3W:35 Stack trace: #0 /in/HbW3W(15): r(' ...') #1 {main} thrown in /in/HbW3W on line 35
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Call to undefined function strpad() in /in/HbW3W on line 35
Process exited with code 255.

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