Mailgun\Messages\MessageBuilder::parseAddress PHP Method

    protected function parseAddress($address, $variables)
    {
        if (!is_array($variables)) {
            return $address;
        }
        $fullName = $this->getFullName($variables);
        if ($fullName != null) {
            return "'{$fullName}' <{$address}>";
        }
        return $address;
    }