PHP simple method to restore short URL (short link) (available for testing)

PHP simple method to restore short URL (short link) (available for testing)_php skills

WBOY

Release： 2016-05-16 09:00:06

Original

3231 people have browsed it

the example in this article describes how to simply implement short url restoration in php. share it with everyone for your reference, the details are as follows:

here we take script home’s short url http://t.cn/heehwk as an example and the screenshot of the running effect is as follows:

the specific code is as follows:

<?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;
 }
}
?>
<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">
<?php
$turl = $_POST['turl']?$_POST['turl']:"";
$url_done= $_POST['url_done']?$_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 ";
}
?>

Copy after login

in addition, this site also provides a short url generation tool, the specific link is as follows:

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

for more information about php, please view the special topics on this site: "php encryption method summary", "summary of php operations and operator usage", "summary of php network programming skills ", "php basic syntax introductory tutorial", "summary of php operating office document skills (including word, excel, access, ppt)", "php date and time usage summary", "php object-oriented programming introductory tutorial", "php string (string) usage summary", "php mysql database operation introductory tutorial a>》and《php common database operation skills summary》

i hope this article will be helpful to everyone in php programming.