postJSON

    function postJSON($url, $data, $method = 'POST') {

        $data_string = str_replace("\r", '', json_encode($data));

        $headers = [
            'Accept: application/json',
            'Content-Type: application/json',
            'Content-Length: ' . strlen($data_string)
        ];

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, 'http://' . DEFAULT_ZONE_MTA_HOST . ':' . DEFAULT_ZONE_MTA_PORT . $url);
        curl_setopt($ch, CURLOPT_PORT, DEFAULT_ZONE_MTA_PORT);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        if ($method !== 'POST') {
            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
        }
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_POSTFIELDS,  $data_string);

        $response = json_decode(curl_unescape($ch, curl_exec($ch)), true);
        $status_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);

        curl_close($ch);

        return [
            'response' => $response,
            'status' => $status_code
        ];

    }