Twitter\Intents\Tweet::setURL PHP Method

    public function setURL($url)
    {
        $url = trim($url);
        if ($url) {
            if ($this->validate_inputs) {
                if (static::isHTTPURL($url)) {
                    $this->url = $url;
                }
            } else {
                $this->url = $url;
            }
        }
        return $this;
    }