Illuminate\Support\Pluralizer::matchCase PHP Method

    protected static function matchCase($value, $comparison)
    {
        $functions = ['mb_strtolower', 'mb_strtoupper', 'ucfirst', 'ucwords'];
        foreach ($functions as $function) {
            if (call_user_func($function, $comparison) === $comparison) {
                return call_user_func($function, $value);
            }
        }
        return $value;
    }