little_curl_debug.php

<?php
// ==============================================================================
//	BEGIN VERBOSE DEBUGGING
curl_setopt($ch, CURLOPT_VERBOSE, true);
$verbose = fopen('php://temp', 'w+');
curl_setopt($ch, CURLOPT_STDERR, $verbose);

$result = curl_exec($ch);
if ($result === 0) {
   printf("cUrl error (#%d): %s<br>\n", curl_errno($ch),
	   htmlspecialchars(curl_error($ch)));
}
//	END VERBOSE DEBUGGING
// ===============================================================================
rewind($verbose);
$verboseLog = stream_get_contents($verbose);

echo "Verbose information:\n<pre>", htmlspecialchars($verboseLog), "</pre>\n";
die;