Sample twitter application.
    <?php 
    function updateTwitter($status)
    { 
    	// Twitter login information 
    	$username = 'xxxxx'; 
    	$password = 'xxxxxx';
    	// The url of the update function 
    	$url = 'http://twitter.com/statuses/update.xml'; 
    	// Arguments we are posting to Twitter 
    	$postargs = 'status='.urlencode($status); 
    	// Will store the response we get from Twitter 
    	$responseInfo=array(); 
    	// Initialize CURL 
    	$ch = curl_init($url);
    	// Tell CURL we are doing a POST 
    	curl_setopt ($ch, CURLOPT_POST, true); 
    	// Give CURL the arguments in the POST 
    	curl_setopt ($ch, CURLOPT_POSTFIELDS, $postargs);
    	// Set the username and password in the CURL call 
    	curl_setopt($ch, CURLOPT_USERPWD, $username.':'.$password); 
    	// Set some cur flags (not too important) 
    	curl_setopt($ch, CURLOPT_VERBOSE, 1); 
    	curl_setopt($ch, CURLOPT_NOBODY, 0); 
    	curl_setopt($ch, CURLOPT_HEADER, 0); 
    	curl_setopt($ch, CURLOPT_FOLLOWLOCATION,1); 
    	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
    	// execute the CURL call 
    	$response = curl_exec($ch); 
    	// Get information about the response 
    	$responseInfo=curl_getinfo($ch); 
    	// Close the CURL connection curl_close($ch);
    	// Make sure we received a response from Twitter 
    	if(intval($responseInfo['http_code'])==200){ 
    		// Display the response from Twitter 
    		echo $response; 
    	}else{ 
    		// Something went wrong 
    		echo "Error: " . $responseInfo['http_code']; 
    	} 
    }
    
    updateTwitter("Just finished a sweet tutorial on http://brandontreb.com");
     
    ?>	

I get the following output

    Error: 0 

Please help. 
Sample twitter application.
===

    <?php 
    function updateTwitter($status)
    { 
    	// Twitter login information 
    	$username = 'xxxxx'; 
    	$password = 'xxxxxx';
    	// The url of the update function 
    	$url = 'http://twitter.com/statuses/update.xml'; 
    	// Arguments we are posting to Twitter 
    	$postargs = 'status='.urlencode($status); 
    	// Will store the response we get from Twitter 
    	$responseInfo=array(); 
    	// Initialize CURL 
    	$ch = curl_init($url);
    	// Tell CURL we are doing a POST 
    	curl_setopt ($ch, CURLOPT_POST, true); 
    	// Give CURL the arguments in the POST 
    	curl_setopt ($ch, CURLOPT_POSTFIELDS, $postargs);
    	// Set the username and password in the CURL call 
    	curl_setopt($ch, CURLOPT_USERPWD, $username.':'.$password); 
    	// Set some cur flags (not too important) 
    	curl_setopt($ch, CURLOPT_VERBOSE, 1); 
    	curl_setopt($ch, CURLOPT_NOBODY, 0); 
    	curl_setopt($ch, CURLOPT_HEADER, 0); 
    	curl_setopt($ch, CURLOPT_FOLLOWLOCATION,1); 
    	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
    	// execute the CURL call 
    	$response = curl_exec($ch); 
    	// Get information about the response 
    	$responseInfo=curl_getinfo($ch); 
    	// Close the CURL connection curl_close($ch);
    	// Make sure we received a response from Twitter 
    	if(intval($responseInfo['http_code'])==200){ 
    		// Display the response from Twitter 
    		echo $response; 
    	}else{ 
    		// Something went wrong 
    		echo "Error: " . $responseInfo['http_code']; 
    	} 
    }
    
    updateTwitter("Just finished a sweet tutorial on http://brandontreb.com");
     
    ?>	

I get the following output

    Error: 0 

Please help. 