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POHow to retrieve http page from another host server with php and detect redirect
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  1. POHow to retrieve http page from another host server with php and detect redirect
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    copied!<p>Let's say I have a server at www.myhost.com. From there by using php I want to retrieve the html document that the php file www.anotherhost.com/somefile.php produces. I also want to use php to do this. anotherhost is not on the same server as myhost.</p> <p>I know that functions such as fopen, f_get_contents and file can do this by simply executing e.g.</p> <pre><code>$fp = fopen ("http://www.anotherhost.com/somefile.php") </code></pre> <p>and from there fp can be used as any other file pointer to read the contents.</p> <p>BUT, for some reason I also want to know if somefile.php at anotherhost ordered a client-side redirect when I tried to retrieve somefile.php´s resulting html document. somefile.php can do this by</p> <pre><code>header ("Location: http://www.anotherhost.com/extrafile.php") </code></pre> <p>Now fopen will retrieve the html document that extrafile.php produces, without detecting that a client-side redirect has been performed.</p> <p>Is there some functionality in PHP that enables you to retrieve html documents from other servers AND notifies you if a redirect has taken place? It is acceptable if I must follow the redirect by myself (not done automatically), as long as I'm told what the new URL is.</p> <p>Executing arbitrary commands with the function system is not preferred.</p> <p>PS. If you are going to suggest fsockopen, then please explain why i get the error "Unable to find the socket transport "http" - did you forget to enable it when you configured PHP?" when I try to execute</p> <pre><code>fsockopen ("http://localhost") </code></pre> <p>and I also get "Failed to parse address "localhost" when I do</p> <pre><code>fsockopen ("localhost") </code></pre> <p>Thanks for reading. Help would be greatly appreciated.</p>
 

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