Reformat SimpleSAML_AuthMemCookie.

lib/SimpleSAML/AuthMemCookie.php

 <?php
 
+
 /**
  * This is a helper class for the Auth MemCookie module.
  * It handles the configuration, and implements the logout handler.
  *
  * @author Olav Morken, UNINETT AS.
- * @package simpleSAMLphp
+ * @package SimpleSAMLphp
  */
-class SimpleSAML_AuthMemCookie {
+class SimpleSAML_AuthMemCookie
+{
 
     /**
      * @var SimpleSAML_AuthMemCookie This is the singleton instance of this class.
      */
-	private static $instance = NULL;
+    private static $instance = null;
 
 
     /**
@@ -20,13 +22,15 @@ class SimpleSAML_AuthMemCookie {
      */
     private $amcConfig;
 
+
     /**
      * This function is used to retrieve the singleton instance of this class.
      *
      * @return SimpleSAML_AuthMemCookie The singleton instance of this class.
      */
-	public static function getInstance() {
-		if(self::$instance === NULL) {
+    public static function getInstance()
+    {
+        if (self::$instance === null) {
             self::$instance = new SimpleSAML_AuthMemCookie();
         }
 
@@ -37,8 +41,9 @@ class SimpleSAML_AuthMemCookie {
     /**
      * This function implements the constructor for this class. It loads the Auth MemCookie configuration.
      */
-	private function __construct() {
-		/* Load Auth MemCookie configuration. */
+    private function __construct()
+    {
+        // load AuthMemCookie configuration
         $this->amcConfig = SimpleSAML_Configuration::getConfig('authmemcookie.php');
     }
 
@@ -48,8 +53,8 @@ class SimpleSAML_AuthMemCookie {
      *
      * @return string The login type which should be used for Auth MemCookie.
      */
-	public function getAuthSource() {
-
+    public function getAuthSource()
+    {
         return $this->amcConfig->getString('authsource');
     }
 
@@ -58,11 +63,15 @@ class SimpleSAML_AuthMemCookie {
      * This function retrieves the name of the cookie from the configuration.
      *
      * @return string The name of the cookie.
+     * @throws Exception If the value of the 'cookiename' configuration option is invalid.
      */
-	public function getCookieName() {
+    public function getCookieName()
+    {
         $cookieName = $this->amcConfig->getString('cookiename', 'AuthMemCookie');
         if (!is_string($cookieName) || strlen($cookieName) === 0) {
-			throw new Exception('Configuration option \'cookiename\' contains an invalid value. This option should be a string.');
+            throw new Exception(
+                "Configuration option 'cookiename' contains an invalid value. This option should be a string."
+            );
         }
 
         return $cookieName;
@@ -74,8 +83,9 @@ class SimpleSAML_AuthMemCookie {
      *
      * @return string The name of the attribute which contains the username.
      */
-	public function getUsernameAttr() {
-		$usernameAttr = $this->amcConfig->getString('username', NULL);
+    public function getUsernameAttr()
+    {
+        $usernameAttr = $this->amcConfig->getString('username', null);
 
         return $usernameAttr;
     }
@@ -86,8 +96,9 @@ class SimpleSAML_AuthMemCookie {
      *
      * @return string The name of the attribute which contains the groups.
      */
-	public function getGroupsAttr() {
-		$groupsAttr = $this->amcConfig->getString('groups', NULL);
+    public function getGroupsAttr()
+    {
+        $groupsAttr = $this->amcConfig->getString('groups', null);
 
         return $groupsAttr;
     }
@@ -98,8 +109,8 @@ class SimpleSAML_AuthMemCookie {
      *
      * @return Memcache A Memcache object initialized from our configuration.
      */
-	public function getMemcache() {
-
+    public function getMemcache()
+    {
         $memcacheHost = $this->amcConfig->getString('memcache.host', '127.0.0.1');
         $memcachePort = $this->amcConfig->getInteger('memcache.port', 11211);
 
@@ -116,31 +127,32 @@ class SimpleSAML_AuthMemCookie {
     /**
      * This function logs the user out by deleting the session information from memcache.
      */
-	private function doLogout() {
-
+    private function doLogout()
+    {
         $cookieName = $this->getCookieName();
 
-		/* Check if we have a valid cookie. */
+        // check if we have a valid cookie
         if (!array_key_exists($cookieName, $_COOKIE)) {
             return;
         }
 
         $sessionID = $_COOKIE[$cookieName];
 
-		/* Delete the session from memcache. */
+        // delete the session from memcache
         $memcache = $this->getMemcache();
         $memcache->delete($sessionID);
 
-		/* Delete the session cookie. */
+        // delete the session cookie
         $sessionHandler = SimpleSAML_SessionHandler::getSessionHandler();
-		$sessionHandler->setCookie($cookieName, NULL);
+        $sessionHandler->setCookie($cookieName, null);
     }
 
 
     /**
      * This function implements the logout handler. It deletes the information from Memcache.
      */
-	public static function logoutHandler() {
+    public static function logoutHandler()
+    {
         self::getInstance()->doLogout();
     }
 }