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Homephp教程php手册php简单实现短网址(短链)还原的方法(测试可用),php还原

php简单实现短网址(短链)还原的方法(测试可用),php还原

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:

这里以帮客之家http://www.bkjia.com的短网址http://t.cn/heEHwk为例运行效果截图如下:

具体代码如下:

<&#63;php
$info1 = '亲!暂不能解析此类短网址。';
$info2 = '亲!网址解析失败,请重试。';
$info3 = '<br/><b><a href="';
$info4 = '" target="_blank">立即访问>></a></b>';
$info5 = '亲!不是短网址或无效。';
function unshort($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;
 }
}
&#63;>
<form action="" method="post">
短网址:<input type="text" name="turl" class="inurl" size="26" />
<input type="hidden" name="url_done" value="done" />
<input type="submit" value="提交" class="suburl" />
</form>
<div id="trurl">
<&#63;php
$turl = $_POST['turl']&#63;$_POST['turl']:"";
$url_done= $_POST['url_done']&#63;$_POST['url_done']:"";
if ($url_done == 'done'){
$http = substr($turl,0,7);
 if ($http != 'http://' && $http != 'https:/'){
  $turl = 'http://'.$turl;
  }
  $tturl = substr($turl,0,11);
  if ($tturl == 'http://adf.'){
  $longurl = adfunshort($turl);
  }else {
  $longurl = unshort($turl);
 }echo "短网址 ".$turl." 的真实网址为:<br />$longurl ";
}
&#63;>

另外,本站还提供了短网址生成工具,具体链接如下:

http://tools.jb51.net/password/dwzcreate

更多关于PHP相关内容可查看本站专题:《php加密方法总结》、《PHP运算与运算符用法总结》、《PHP网络编程技巧总结》、《PHP基本语法入门教程》、《php操作office文档技巧总结(包括word,excel,access,ppt)》、《php日期与时间用法总结》、《php面向对象程序设计入门教程》、《php字符串(string)用法总结》、《php+mysql数据库操作入门教程》及《php常见数据库操作技巧汇总》

希望本文所述对大家PHP程序设计有所帮助。

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