SpoofChecker - Check if the look of a text is confusable

Code
<?php

$spoof 
= new Spoofchecker();

// spoofcheck for german locale
$spoof->setAllowedLocales('de');

// are strings visually confusable?
var_dump($spoof->areConfusable("Körner""Körner\0"));

var_dump($spoof->areConfusable("Körner""Korner"));

var_dump($spoof->areConfusable('lol''1o1'));

var_dump($spoof->areConfusable('lol''IoI'));
Result
bool(false)
bool(false)
bool(true)
bool(true)