CURL POST with file - not working on Windows - php

Question

I have a php script that sends a file via cURL, to a remote location.
This works great on a Mac.
On Windows w/ MAMP (I am stuck with this at present), no request reaches the remote server.
If I take away the CURLOPT_POSTFIELDS parameter, the request is sent, however without my data (obviously). This tells me that cURL is loaded ok, and is able to send a request.
What I can't work out, is what is causing this to do nothing when CURLOPT_POSTFIELDS is included (as per the code below) - no errors (that I am aware of).
Here is the code that I am running:
function getCurlValue($filename, $contentType, $postname)
{
if (function_exists('curl_file_create')) {
return curl_file_create($filename, $contentType, $postname);
}
// Use the old style if using an older version of PHP
$value = "#{$this->filename};filename=" . $postname;
if ($contentType) {
$value .= ';type=' . $contentType;
}
return $value;
}
$filename = 'c:\path\to\file\test.txt';
$cfile = getCurlValue($filename,'text/plain','test.txt');
$data = array('updateFile' => $cfile);
$ch = curl_init();
$options = array(CURLOPT_URL => 'http://url/to/my/service',
CURLOPT_RETURNTRANSFER => true,
CURLINFO_HEADER_OUT => true, //Request header
CURLOPT_HEADER => true, //Return header
CURLOPT_FAILONERROR => true,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => $data
);
curl_setopt_array($ch, $options);
$result = curl_exec($ch);
$header_info = curl_getinfo($ch,CURLINFO_HEADER_OUT);
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($result, 0, $header_size);
$body = substr($result, $header_size);
curl_close($ch);
I have checked for cURL errors, of which there are none thrown.
Any thoughts would be most appreciated.
Thanks,
Nathan

Answer 1

This issue appears to have resolved itself. All is now working, with no changes on my part.
Must have been something at the server end....