// https://ee.econt.com/
$username = 'iasp-dev'; // your username
$password = 'iasp-dev'; // your password
$service = 'http://demo.econt.com/e-econt/xml_service_tool.php'; // demo url
//$service = 'http://www.econt.com/e-econt/xml_service_tool.php'; // live url
$request = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?><request/>');
$client = $request->addChild('client');
$client->addChild('username', $username);
$client->addChild('password', $password);
// types: cities_zones, cities_regions, cities_streets, shipments, shipping, cities, cancel_shipments, cities_quarters, offices, profile, access_clients, delivery_days
$request->addChild('request_type', 'access_clients');
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $service);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, array('xml' => $request->asXML()));
$response = simplexml_load_string(curl_exec($ch));
curl_close($ch);
var_dump($response); // това е отговора -