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copied!<p>Should be possible: here's a form, posted through a browser (irrelevant fields omitted):</p> <pre><code>POST http://host.example.com/somewhere HTTP/1.1 Content-Type: multipart/form-data; boundary=---------------------------7da16b2e4026c Content-Length: 105732 -----------------------------7da16b2e4026c Content-Disposition: form-data; name="NewFile"; filename="test.jpg" Content-Type: image/jpeg (...raw JPEG data here...) -----------------------------7da16b2e4026c Content-Disposition: form-data; name="otherformfield" content of otherformfield is this text -----------------------------7da16b2e4026c-- </code></pre> <p>So, if we build the POST body ourselves and set an extra header or two, we should be able to simulate this:</p> <pre><code>// form field separator $delimiter = '-------------' . uniqid(); // file upload fields: name => array(type=>'mime/type',content=>'raw data') $fileFields = array( 'file1' => array( 'type' => 'text/plain', 'content' => '...your raw file content goes here...' ), /* ... */ ); // all other fields (not file upload): name => value $postFields = array( 'otherformfield' => 'content of otherformfield is this text', /* ... */ ); $data = ''; // populate normal fields first (simpler) foreach ($postFields as $name => $content) { $data .= "--" . $delimiter . "\r\n"; $data .= 'Content-Disposition: form-data; name="' . $name . '"'; // note: double endline $data .= "\r\n\r\n"; } // populate file fields foreach ($fileFields as $name => $file) { $data .= "--" . $delimiter . "\r\n"; // "filename" attribute is not essential; server-side scripts may use it $data .= 'Content-Disposition: form-data; name="' . $name . '";' . ' filename="' . $name . '"' . "\r\n"; // this is, again, informative only; good practice to include though $data .= 'Content-Type: ' . $file['type'] . "\r\n"; // this endline must be here to indicate end of headers $data .= "\r\n"; // the file itself (note: there's no encoding of any kind) $data .= $file['content'] . "\r\n"; } // last delimiter $data .= "--" . $delimiter . "--\r\n"; $handle = curl_init($url); curl_setopt($handle, CURLOPT_POST, true); curl_setopt($handle, CURLOPT_HTTPHEADER , array( 'Content-Type: multipart/form-data; boundary=' . $delimiter, 'Content-Length: ' . strlen($data))); curl_setopt($handle, CURLOPT_POSTFIELDS, $data); curl_exec($handle); </code></pre> <p>This way, we're doing all the heavy lifting ourselves, and trusting cURL not to mangle it.</p>

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