CURL::addRequestHeader PHP Method

    public function addRequestHeader($name, $value, $override = true)
    {
        if (is_scalar($name) && is_scalar($value)) {
            $key = strtolower($name);
            if ($override === true || !isset($this->requestHeader[$key])) {
                $this->requestHeader[$key] = array('name' => $name, 'value' => $value);
                return true;
            }
            return false;
        } else {
            throw new InvalidArgumentException('$name e $value precisam ser strings.');
        }
    }