$resArray = [
    'Orders' => [
        'key' => 'Order',
        'items' => [
            [
                'InternalOrderId' => '2976421',
                'StatusCode' => 30,
                'StatusDateTime' => date("Y-m-d H:i:s")
            ]
        ]
    ]
];

$node = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?><NotifyOrderStatusMessage xmlns="http://tempuri.org/XMLSchema.xsd"/>');
$node = CustomArrayToXml::ArrayToXml($resArray, $node);
$xml = $node->asXML();

//header("Content-type: text/xml; charset=utf-8");
//echo $xml;
//die();

$url = 'https://85.236.4.226:543/NotifyOrderStatus.ashx';
$curl = curl_init($url);

curl_setopt($curl, CURLOPT_HTTPHEADER, array("ConteCURLOPT_SSL_VERIFYPEERnt-Type: text/xml"));
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $xml);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($curl, CURLOPT_TIMEOUT, 10);
$result = curl_exec($curl);
if (curl_errno($curl)) {
    throw new Exception(curl_error($curl));
}
curl_close($curl);
echo $result;