--- /dev/null
+<?php
+
+/**
+ * Example that uses the CAS gateway feature
+ *
+ * PHP Version 5
+ *
+ * @file example_gateway.php
+ * @category Authentication
+ * @package PhpCAS
+ * @author Joachim Fritschi <jfritschi@freenet.de>
+ * @author Adam Franco <afranco@middlebury.edu>
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
+ * @link https://wiki.jasig.org/display/CASC/phpCAS
+ */
+
+// Load the settings from the central config file
+require_once 'config.php';
+// Load the CAS lib
+require_once $phpcas_path . '/CAS.php';
+
+// Uncomment to enable debugging
+phpCAS::setDebug();
+
+// Initialize phpCAS
+phpCAS::client(CAS_VERSION_2_0, $cas_host, $cas_port, $cas_context);
+
+// For production use set the CA certificate that is the issuer of the cert
+// on the CAS server and uncomment the line below
+// phpCAS::setCasServerCACert($cas_server_ca_cert_path);
+
+// For quick testing you can disable SSL validation of the CAS server.
+// THIS SETTING IS NOT RECOMMENDED FOR PRODUCTION.
+// VALIDATING THE CAS SERVER IS CRUCIAL TO THE SECURITY OF THE CAS PROTOCOL!
+phpCAS::setNoCasServerValidation();
+
+if (isset($_REQUEST['logout'])) {
+ phpCAS::logout();
+}
+if (isset($_REQUEST['login'])) {
+ phpCAS::forceAuthentication();
+}
+
+// check CAS authentication
+$auth = phpCAS::checkAuthentication();
+
+?>
+<html>
+ <head>
+ <title>phpCAS simple client</title>
+ </head>
+ <body>
+<?php
+if ($auth) {
+ // for this test, simply print that the authentication was successfull
+ ?>
+ <h1>Successfull Authentication!</h1>
+ <?php include 'script_info.php' ?>
+ <p>the user's login is <b><?php echo phpCAS::getUser(); ?></b>.</p>
+ <p><a href="?logout=">Logout</a></p><?php
+} else {
+ ?>
+ <h1>Guest mode</h1>
+ <p><a href="?login=">Login</a></p><?php
+}
+ ?>
+ <p>phpCAS version is <b><?php echo phpCAS::getVersion(); ?></b>.</p>
+ </body>
+</html>