protected function recurseArrayForTokens($arr, $tokens)
    {
        $out = [];
        foreach ($arr as $name => $value) {
            if (is_array($value)) {
                $out[$name] = $this->recurseArrayForTokens($value, $tokens);
                continue;
            }
            if (is_string($value)) {
                foreach ($tokens as $token => $tval) {
                    $value = str_replace($token, $tval, $value);
                }
                $out[$name] = $value;
                continue;
            }
            $out[$name] = $value;
        }

        return $out;
    }