Using bit.ly v3 api to shorten a url with php.

bitly.php

/* make a URL small */
function make_bitly_url($url,$access_token) {
	//create the URL
	$bitly = 'http://api-ssl.bitly.com/v3/shorten?access_token='.$access_token.'&longUrl='.urlencode($url);
	
	//get the url
	//could also use cURL here
	$response = file_get_contents($bitly);

	$json = @json_decode($response,true);
	return $json['results'][$url]['shortUrl'];
}

/* usage */
$short = make_bitly_url('http://codescribblr.com','b39e7e013a89e3b836372728e3370b80dd6c6bac');
echo 'The short URL is:  '.$short; 

// returns:  http://bit.ly/11Owun