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copied!<p>First of all you need to get complete URL, for example for my local server: </p> <pre class="lang-none prettyprint-override"><code>http://localhost/server_var.php?foo=bar&second=something </code></pre> <p>Try printing <code>$_SERVER</code> variable with <code>print_r()</code>:</p> <pre class="lang-php prettyprint-override"><code>print_r( $_SERVER); </code></pre> <p>You should get result like this:</p> <pre class="lang-none prettyprint-override"><code>Array ( ... [REQUEST_URI] => /server_var.php?foo=bar&second=something ... ) </code></pre> <p>For more info take a look at <a href="http://php.net/reserved.variables.server.php" rel="nofollow">manual page</a>, so now you have your URL:</p> <pre class="lang-php prettyprint-override"><code>$url = 'http://www.mySecondSite.com' . $_SERVER['REQUEST_URI']; </code></pre> <p>And you can use <a href="http://php.net/manual/en/function.header.php" rel="nofollow"><code>header()</code></a> to redirect your request:</p> <pre class="lang-php prettyprint-override"><code>header( 'Location: ' . $url); </code></pre> <p>I recommend taking look at <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html" rel="nofollow">HTTP status codes</a>, <code>3xx</code> ones, whether you want to use <code>302 Found</code> (the default) or <code>307 Temporary Redirect</code>...</p> <blockquote> <p>The second special case is the "Location:" header. Not only does it send this header back to the browser, but it also returns a REDIRECT (302) status code to the browser unless the 201 or a 3xx status code has already been set.</p> </blockquote> <p>So you can do this:</p> <pre class="lang-php prettyprint-override"><code>header('HTTP/1.0 307 Temporary Redirect'); header( 'Location: ' . $url); </code></pre>

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