怎么通过PHP得到此URL跳转后的URL

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Libérer： 2016-06-13 12:56:15

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如何通过PHP得到此URL跳转后的URL

http://www.chong4.com.cn/cydb/go.php?7218_29882_22t

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他是如何跳转的~~
如何通过PHP得到此URL跳转后的URL

------解决方案--------------------

$url = 'http://www.chong4.com.cn/cydb/go.php?7218_29882_22t';<br />
$ch = curl_init();<br />
curl_setopt($ch, CURLOPT_URL, $url);<br />
curl_setopt($ch, CURLOPT_HEADER, true);<br />
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);<br />
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);<br />
$content = curl_exec($ch);<br />
echo $content;<br />

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得到

HTTP/1.1 301 Moved Permanently
Server: nginx/1.0.15
Date: Thu, 17 Jan 2013 06:48:10 GMT
Content-Type: text/html
Connection: keep-alive
X-Powered-By: PHP/5.2.17
Expires: Mon, 26 Jul 1997 05:00:00 GMT
Last-Modified: Thu, 17 Jan 2013 06:48:10 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
Location: http://s.click.taobao.com/t?e=zGU34CA7K%2BPkqB07S4%2FK0CFcRfH0G7DbPkiN9MMH7EkQ%2B3KnWlM5fPrbcF5EKeNJ3Ts8ijJ4%2F77oX8O2iw1qEuhEhgaut73j9hJ3YPtNYm616DyrkK0aE1E31WN8TefmpCriY9EJ5O4JCWiRap3Rj1hfNxI2HSqhk8lK01rAylx5%2F9fHp6i%2FPRGYAGeegVo%2F&spm=2014.12231445.1.0&u=22t7218
Content-Length: 0

HTTP/1.1 302 Moved Temporarily
Server: Tengine
Date: Thu, 17 Jan 2013 06:48:22 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Location: http://s.click.taobao.com/t_js?tu=http%3A%2F%2Fs.click.taobao.com%2Ft%3Fe%3DzGU34CA7K%252BPkqB07S4%252FK0CFcRfH0G7DbPkiN9MMH7EkQ%252B3KnWlM5fPrbcF5EKeNJ3Ts8ijJ4%252F77oX8O2iw1qEuhEhgaut73j9hJ3YPtNYm616DyrkK0aE1E31WN8TefmpCriY9EJ5O4JCWiRap3Rj1hfNxI2HSqhk8lK01rAylx5%252F9fHp6i%252FPRGYAGeegVo%252F%26spm%3D2014.12231445.1.0%26u%3D22t7218%26ref%3D%26et%3DjFBB1ttOjF2GRA%253D%253D
Expires: Thu, 17 Jan 2013 06:48:22 GMT
Cache-Control: max-age=0

HTTP/1.1 200 OK
Server: Tengine
Date: Thu, 17 Jan 2013 06:48:22 GMT
Content-Type: text/html; charset=GBK
Content-Length: 2267
Last-Modified: Tue, 15 Jan 2013 01:49:17 GMT
Connection: close
Vary: Accept-Encoding
Expires: Thu, 17 Jan 2013 06:48:22 GMT
Cache-Control: max-age=0
Accept-Ranges: bytes

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