Send SMS in PHP using Way2sms API client

Way2SMS is a popular free sms service in India that offers users to send SMS to mobile numbers using internet.The service is reliable and delivers the SMS in few seconds but there is no public API available for Way2sms. But Unofficially there is an API which communicates with Way2sms and most important thing is this API still works unlike many others.

//send SMS to patient
       echo "Your messege has been sent will be deliever soon.";
        $curl = curl_init();
        $timeout = 30;
        $result = array();
        $ReciverMobile = '1234567890'; // Reciver Mobile Number
        $uid = urlencode('1234567890'); //Way2sms Userid
        $pwd = urlencode('1234567890'); //Way2sms login Password
        $msg = 'YOUR MESSAGE ';
        $autobalancer = 23;
        // Setup for login
        curl_setopt($curl, CURLOPT_URL, "http://site" . $autobalancer . ".way2sms.com/Login1.action");
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, "username=" . $uid . "&password=" . $pwd . "&button=Login");
        curl_setopt($curl, CURLOPT_COOKIESESSION, 1);
        curl_setopt($curl, CURLOPT_COOKIEFILE, "cookie_way2sms");
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($curl, CURLOPT_MAXREDIRS, 20);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5");
        curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, $timeout);
        curl_setopt($curl, CURLOPT_REFERER, "http://site" . $autobalancer . ".way2sms.com/");
        $text = curl_exec($curl);
        // Check if any error occured
        if (curl_errno($curl))
            return "access error : " . curl_error($curl);
        // Check for proper login
        $pos = stripos(curl_getinfo($curl, CURLINFO_EFFECTIVE_URL), "ebrdg.action");
        if ($pos === "FALSE" || $pos == 0 || $pos == "")
            return "invalid login";
        // Check the message
        if (trim($msg) == "" || strlen($msg) == 0)
            return "invalid message";
        // Take only the first 140 characters of the message
        $msg = urlencode(substr($msg, 0, 140));
        // Store the numbers from the string to an array
        $pharr = explode(",", $ReciverMobile); //add dynamic mobile number here
        // Set the home page from where we can send message
        $refurl = curl_getinfo($curl, CURLINFO_EFFECTIVE_URL);
        $newurl = str_replace("ebrdg.action?id=", "main.action?section=s&Token=", $refurl);
        curl_setopt($curl, CURLOPT_URL, $newurl);
        // Extract the token from the URL
        $jstoken = substr($newurl, 50, -41);
        //Go to the homepage
        $text = curl_exec($curl);
        // Send SMS to each number
        foreach ($pharr as $p) {
            // Check the mobile number
            if (strlen($p) != 10 || !is_numeric($p) || strpos($p, ".") != false) {
                $result[] = array('phone' => $p, 'msg' => urldecode($msg), 'result' => "invalid number");
                continue;
            }
            $p = urlencode($p);
            // Setup to send SMS
            curl_setopt($curl, CURLOPT_URL, 'http://site' . $autobalancer . '.way2sms.com/smstoss.action');
            curl_setopt($curl, CURLOPT_REFERER, curl_getinfo($curl, CURLINFO_EFFECTIVE_URL));
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, "ssaction=ss&Token=" . $jstoken . "&mobile=" . $p . "&message=" . $msg . "&button=Login");
            $contents = curl_exec($curl);
            //Check Message Status
            $pos = strpos($contents, 'Message has been submitted successfully');
            $res = ($pos !== false) ? true : false;
            $result[] = array('phone' => $p, 'msg' => urldecode($msg), 'result' => $res);
        }

        // Logout
        curl_setopt($curl, CURLOPT_URL, "http://site" . $autobalancer . ".way2sms.com/LogOut");
        curl_setopt($curl, CURLOPT_REFERER, $refurl);
        $text = curl_exec($curl);
        curl_close($curl);
        return $result;
        //end sms