erp-sync/web/testcurl.php

<?php

require_once '../config/config.inc.php';

$url = SYNC_URL.'testcurl_dest.php';
$SYNC_AGENT = 'Dolibarr API Test';
$timeout = '30';
$post = $_POST;
echo '<p>'.$url.'</p>';

$ch = curl_init($url); // initialize curl with given url
//curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER["HTTP_USER_AGENT"]); // set  useragent
curl_setopt($ch, CURLOPT_USERAGENT, $SYNC_AGENT);
curl_setopt($ch, CURLOPT_TIMEOUT_MS, 250);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // write the response to a variable
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); // follow redirects if any
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout); // max. seconds to execute
curl_setopt($ch, CURLOPT_FAILONERROR, 1); // stop when it encounters an error
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post));
$raw_data = curl_exec($ch);
echo $raw_data; //die();

echo '<p>END</p>';