Home >Backend Development >PHP Tutorial >Php converts the short address to the source address_PHP tutorial
Php converts the short address to the source address_PHP tutorial
- WBOYOriginal
- 2016-07-14 10:09:241226browse
$url = "http://dwz.im/14P";
echo unshorten ( $url );
function unshorten($url) {
$url = trim ( $url );
$headers = get_headers ( $url );
$location = $url;
$short = false;
foreach ( $headers as $head ) {
if ($head == "HTTP/1.1 302 Found" || $head == 'HTTP/1.0 301 Moved Permanently')
$short = true;
if ($short && startwith ( $head, "Location: " )) {
$location = substr ( $head, 10 );//Location: 10个字符
}
}
return $location;
}
function startwith($Haystack, $Needle) {
return strpos ( $Haystack, $Needle ) === 0;
}
/* Array
(
[0] => HTTP/1.0 301 Moved Permanently
[1] => Date: Mon, 04 Feb 2013 06:46:04 GMT
[2] => Server: LiteSpeed
[3] => Connection: close
[4] => X-Powered-By: PHP/5.3.20
[5] => Location: http://yxmhero1989.blog.163.com
[6] => Content-Type: text/html
[7] => Content-Length: 0
[8] => Vary: User-Agent
[9] => HTTP/1.1 200 OK
[10] => Server: nginx
[11] => Date: Mon, 04 Feb 2013 06:46:05 GMT
[12] => Content-Type: text/html;charset=GBK
[13] => Connection: close
[14] => Vary: Accept-Encoding
[15] => Vary: Host,Accept-Encoding
[16] => Set-Cookie: USERTRACK=61.170.229.53.1359960365378463; path=/; expires=Fri, 05-Apr-13 06:46:05 GMT; domain=.163.com
[17] => Set-Cookie: NTESBLOGSI=B9DAF1AA5E615128B7B79DCCF95AB455.app-71-8010; Domain=.blog.163.com; Path=/
[18] => Cache-Control: must-revalidate
[19] => Expires: Mon, 25 Apr 2005 21:10:50 GMT
[20] => Last-Modified: Mon, 04 Feb 2013 06:46:05 GMT
) */
?>
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：Tips from Shanghai Car Rental Network: Car rentals are popular during the National Day, but you must find a regular car rental company_PHP TutorialNext article：Tips from Shanghai Car Rental Network: Car rentals are popular during the National Day, but you must find a regular car rental company_PHP Tutorial