PHP - clase para sms

<?php

// SpringEdge Send SMS class File 

/*

 * USE:

 *  

    include 'sendsms.php';

    $sendsms=new sendsms("1i6xxxxxxxxxxxxxx", "BUxxxx");

    $sendsms->send_sms("99xxxxxxxx", "test sms");

 */

class sendsms

{

 	private $api_url;

 	private $apikey;

 	private $senderid;

	function __construct($apikey,$senderid)

	{

		$this->api_url = 'http://instantalerts.co/api/';

		$this->apikey = $apikey;

		$this->senderid = $senderid;

	}

	/**

	 * function to send sms

	 * 

	 */

	function send_sms($to, $message)

	{

		$type="xml";

		$message = urlencode($message);

		$params = "web/send/?apikey=$this->apikey&sender=$this->senderid&to=$to&message=$message";

		$this->execute($params);

	}

	/**

	 * function to process API request

	 */

	function execute($params)

	{

		$eurl = $this->api_url.$params;

                $output = file_get_contents($eurl);

		return $output;

	}

}

?>

<?php

/*

* Get API key and Sender ID from 

* http://springedge.com 

* Copy php-send-sms-code.php in same directory

*/

    include 'php-send-sms-code.php';

    $sendsms=new sendsms("1i6xxxxxxxxxxxxxx", "BUxxxx");

    $sendsms->send_sms("99xxxxxxxx", "test sms");

?>