generating POST request, curl_setopt, http_build_query: a data loss
<p>Im generating a POST request:</p>

<pre><code>$data['v'] = '2';
$data['file'] = gz compressed data

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$content = curl_exec($ch);
</code></pre>

<p>After this, the "file" field gets lost - it wont arrive to the server, all others do. What can I do?</p>
