chamilo-lms2/main/inc/ajax/install.ajax.php

<?php
/* For licensing terms, see /license.txt */
/**
 * Responses to AJAX calls for install
 */

//require_once '../global.inc.php';

$action = $_GET['a'];

switch ($action) {
	case 'send_contact_information':
        if (!empty($_POST)) {
            // get params from contact form
            $person_name = $_POST['person_name'];
            $person_email = $_POST['person_email'];
            $person_role = $_POST['person_role'];
            $financial_decision = $_POST['financial_decision'];
            $contact_language = $_POST['language'];
            $company_name = $_POST['company_name'];
            $company_activity = $_POST['company_activity'];
            $company_country = $_POST['company_country'];
            $company_city = $_POST['company_city'];

            // validating required fields
            $a_required_fields = array($person_name, $person_role, $company_name, $company_activity, $company_country);
            $required_field_error = false;
            foreach ($a_required_fields as $required_file) {
                if (trim($required_file) === '') {
                    $required_field_error = true;
                    break;
                }
            }

            if ($required_field_error) {
                echo 'required_field_error';
            } else {

                // save contact information with web service
                // create a client
                $client = new SoapClient('https://version.chamilo.org/contact.php?wsdl');

                // call method ws_add_contact_information
                $contact_params = array(
                    'person_name' => $person_name,
                    'person_email' => $person_email,
                    'person_role' => $person_role,
                    'financial_decision' => $financial_decision,
                    'contact_language' => $contact_language,
                    'company_name' => $company_name,
                    'company_activity' => $company_activity,
                    'company_country' => $company_country,
                    'company_city' => $company_city
                );

                $result = $client->__soapCall('ws_add_contact_information', array('contact_params' => $contact_params));

                echo $result;
            }

            }
        break;
	default:
		echo '';
}
exit;