URL Shortener
Shortened URL: $shortened_url";
}
function shortenURL($url)
{
$links = file_get_contents('links.json');
$links = json_decode($links, true);
if (!$links) {
$links = array();
}
$key = generateKey();
$links[$key] = $url;
file_put_contents('links.json', json_encode($links));
return "http://" . $_SERVER['HTTP_HOST'] . "/redirect.php?key=$key";
}
function generateKey()
{
return substr(md5(uniqid(rand(), true)), 0, 6);
}
?>