PHP short URL implementation code

Share a PHP short URL code, which is very popular now. Friends in need may wish to use it as a reference.

An example of php short URL (URL) code, as follows:

<?php
/**
* php 短网址 函数
* by bbs.it-home.org
*/
function shorturl($url){
    $length = strlen($url);
    if($length > 45){
        $length = $length - 30;
        $first = substr($url, 0, -$length);
        $last = substr($url, -15);
        $new = $first."[ ... ]".$last;
        return $new;
    }else{
        return $url;
    }
}
?>

php short URL call example, as follows:

<?php
$longurl= "http://www.google.com/search?q=symfony+project&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:tr:official&client=firefox-a";
$shorturl = shorturl($longurl);
echo "$shorturl";
?>