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copied!<p><strong>R1 :</strong> I suppose, if you set all the correct headers, that, yes, a curl-based request can imitate a browser-based one : after all, both send an HTTP request, which is just a couple of lines of text following a specific convention (namely, the HTTP RFC)</p> <p><br> <strong>R2 :</strong> The best way to answer that question is to take a look at what your browser is sending ; with Firefox, for instance, you can use either <a href="http://getfirebug.com/" rel="nofollow noreferrer">Firebug</a> or <a href="https://addons.mozilla.org/en-US/firefox/addon/3829" rel="nofollow noreferrer">LiveHTTPHeaders</a> to get that.</p> <p>For instance, to get this page, Firefox sent those request headers :</p> <pre><code>GET /questions/1926876/can-a-curl-based-http-request-imitate-a-browser-based-request-completely HTTP/1.1 Host: stackoverflow.com User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.9.2b4) Gecko/20091124 Firefox/3.6b4 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 115 Connection: keep-alive Referer: http://stackoverflow.com/questions/1926876/can-a-curl-based-http-request-imitate-a-browser-based-request-completely/1926889 Cookie: ....... Cache-Control: max-age=0 </code></pre> <p><em>(I Just removed a couple of informations -- but you get the idea ;-) )</em></p> <p>Using curl, you can work with <a href="http://php.net/manual/en/function.curl-setopt.php" rel="nofollow noreferrer"><code>curl_setopt</code></a> to set the HTTP headers ; here, you'd probably have to use a combination of <code>CURLOPT_HTTPHEADER</code>, <code>CURLOPT_COOKIE</code>, <code>CURLOPT_USERAGENT</code>, ...</p>

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