<?php $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個字符 } } 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 ) */ ?>
