URL Shortening Function

shorten.php

<?php
function shorten_url($url, $service=NULL){
	if($service== 'tinyurl'){return get_link('http://tinyurl.com/api-create.php?url='.urlencode($url));}
	elseif($service == 'urly'){return get_link('http://ur.ly/new.txt?href='.urlencode($url));}
	elseif($service == 'isgd'){return get_link('http://is.gd/api.php?longurl='.urlencode($url));}
	elseif($service == 'klam'){return get_link('http://kl.am/api/shorten/?format=text&url='.urlencode($url));}
	elseif($service == 'unu'){return get_link('http://u.nu/unu-api-simple?url='.urlencode($url));}
	else{return get_link('http://api.tr.im/v1/trim_simple?url='.urlencode($url));}
	return $url;
}

function get_link($url){
	if(function_exists('curl_init')){
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_VERBOSE, 1);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		//curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
		//curl_setopt($ch, CURLOPT_POST, 1);
		curl_setopt($ch, CURLOPT_URL, $url);
		$result = curl_exec($ch);
		$resultArray = curl_getinfo($ch);
		if ($resultArray['http_code'] == 200){
			return $result;
		} else {
			return FALSE;
		}
		curl_close($ch);
	}elseif(ini_get('allow_url_fopen') == 1){
		return fopen($url, 'r');
	}
	return FALSE;
}

/* Usage */
echo shorten_url('http://www.fullondesign.co.uk/');
// returns: http://tr.im/JPCz