Bagaimana Mengupdate Status Twittermu dari Code Igniter.... part 1

$autoload['libraries'] = array('');

$autoload['libraries'] = array('database'); 

$config['base_url']	= "http://localhost/ci/twitter_api/";

CREATE TABLE IF NOT EXISTS `accounts` ( `id` int(11) NOT NULL AUTO_INCREMENT,  
 `username` varchar(120) NOT NULL,  
 `password` varchar(32) NOT NULL,  
 `active` int(11) NOT NULL,  
 `last_message` varchar(140) NOT NULL,  
 PRIMARY KEY (`id`)  
) ENGINE=MyISAM  DEFAULT CHARSET=latin1 AUTO_INCREMENT=3 ;  
 
INSERT INTO `accounts` (`id`, `username`, `password`, `active`, `last_message`) VALUES  
(1, 'username', 'password', 1, 'No message sent');  

var $accounts_table = 'accounts';  
var $update_url = 'http://twitter.com/statuses/update.xml';

class Twitter_model extends Model {  
 
// get the active twitter account from the database, by row active = 
function getActiveAccount()  
{  
return $this->db->get_where($this->accounts_table, array('active' => '1'))->row();      
}  

// update status twitter  
	 function update_status($username, $password, $message)  
	 {  
		 $ch = curl_init($this->update_url);  
 
		 curl_setopt($ch, CURLOPT_POST, 1);  
		 curl_setopt($ch, CURLOPT_POSTFIELDS, 'status='.urlencode($message));  
		 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);  
		 curl_setopt($ch, CURLOPT_USERPWD, $username . ':' . $password);  
 
		 curl_exec($ch);  
 
		 $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);  
 
		 // if we were successfull we need to update our last_message  
		 if ($httpcode == '200')  
		 {  
			 $this->db->where('active', '1');  
			 $this->db->update($this->accounts_table, array('last_message' => $message));  
 
			 return TRUE;      
		 }  
 
		 else  
		 {  
			 return FALSE;     
		 }  
	 }

// get the last_message, by row active = 1  
	 function getLastMessage()  
	{  
		 $this->db->select('last_message');  
		$last_message =  $this->db->get_where($this->accounts_table, array('active' => '1'))->row()->last_message;  
 
		 return htmlspecialchars($last_message);  
	 }

 
 class Twitter_model extends Model {  
 
 var $accounts_table = 'accounts';  
 var $update_url = 'http://twitter.com/statuses/update.xml';  
 
 // get the active twitter account from the database, by row active = 1  
 function getActiveAccount()  
 {  
     return $this->db->get_where($this->accounts_table, array('active' => '1'))->row();     
 }  
 
 // update twitter status and last message on success  
 function update_status($username, $password, $message)  
 {  
     $ch = curl_init($this->update_url);  
 
     curl_setopt($ch, CURLOPT_POST, 1);  
     curl_setopt($ch, CURLOPT_POSTFIELDS, 'status='.urlencode($message));  
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);  
     curl_setopt($ch, CURLOPT_USERPWD, $username . ':' . $password);  
 
     curl_exec($ch);  
 
     $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);  
 
     // if we were successfull we need to update our last_message  
     if ($httpcode == '200')  
     {  
         $this->db->where('active', '1');  
         $this->db->update($this->accounts_table, array('last_message' => $message));  
 
         return TRUE;      
     }  
 
     else  
     {  
         return FALSE;     
     }  
 }  
 
 // get the last_message, by row active = 1  
 function getLastMessage()  
 {  
     $this->db->select('last_message');  
     $last_message =  $this->db->get_where($this->accounts_table, array('active' => '1'))->row()->last_message;  
 
     return htmlspecialchars($last_message);  
 }