本文实例讲述了php简单实现短网址还原的方法。分享给大家供大家参考，具体如下：
相关学习推荐：php编程（视频）
具体代码如下：
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$info5 =亲！不是短网址或无效。;function unshort($url){global $info1,$info2,$info3,$info4;
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER,1);
curl_setopt ($curl, CURLOPT_USERAGENT,Mozilla/8.0 (compatible; MSIE 8.0; Windows 7);
curl_setopt($curl, CURLOPT_HEADER,1);
curl_setopt($curl, CURLOPT_NOBODY,0);
curl_setopt($curl, CURLOPT_TIMEOUT,15);
curl_setopt($curl,CURLOPT_ENCODING,gzip);
$data = curl_exec($curl);if(!empty($data)){
$message = curl_getinfo($curl);
curl_close($curl);
$status = $message[http_code];if($status ==301|| $status ==302){
$UrlHeader =(get_headers($url,1));
$unurl = $UrlHeader[Location];if(is_array($unurl)){
$unurl = $unurl[0];
$unurl .=$info3.$unurl.$info4;return $unurl;}else{
$unurl .=$info3.$unurl.$info4;return $unurl;}}return $info1;}return $info2;}function adfunshort($url){global $info3,$info4,$info5;
$c = file_get_contents($url);
$p ="/url = (.*);/isU";
preg_match($p, $c, $content);
$unurl = $content[1];if($unurl ==){return $info5;}else{
$unurl .=$info3.$unurl.$info4;return $unurl;}}?>
短网址：$longurl ";}?>
相关学习推荐：编程视频
还原的方法.jpg)
