Updated code documentation

user.php

@@ -5,14 +5,17 @@
  *  Clean URls for the Social Network
  *
  *  The idea is to access to the user info more easily:
- *  http://campus.chamilo.org/admin instead of http://campus.chamilo.org/main/social/profile.php?1
- *  To use this you should rename the htaccess to .htaccess and check your virtualhost configuration
+ *  http://campus.chamilo.org/admin instead of 
+ *  http://campus.chamilo.org/main/social/profile.php?1
+ *  To use this you should rename the htaccess to .htaccess and check your 
+ *  virtualhost configuration
  *
- *  More improvements will come in the next version of Chamilo maybe in the 1.8.8
+ *  More improvements will come in next versions of Chamilo maybe in the 1.8.8
  *
  */
-
-
+/**
+ * Variables definitions and inclusions
+ */
 // name of the language file that needs to be included
 $language_file = array('index','registration','messages','userInfo');
 
@@ -21,8 +24,14 @@ require_once 'main/inc/global.inc.php';
 require_once api_get_path(LIBRARY_PATH).'social.lib.php';
 require_once api_get_path(LIBRARY_PATH).'usermanager.lib.php';
 
+/**
+ * Access permissions check
+ */
 api_block_anonymous_users();
 
+/**
+ * Treat URL arguments
+ */
 $array_keys = array_keys($_GET);
 
 if (!empty($array_keys)) {
@@ -31,14 +40,6 @@ if (!empty($array_keys)) {
 
 	if ($friend_id) {
 		SocialManager::display_individual_user($friend_id);
-		/*
-		if (api_get_setting('allow_social_tool') =='true') {
-			header('Location: main/social/profile.php?u='.$friend_id.'');
-			exit;
-		} else {
-			header('Location: whoisonline.php?id='.$friend_id.'');
-			exit;
-		}*/
 	} else {
 		// we cant find your friend
 		header('Location: whoisonline.php');
@@ -49,4 +50,4 @@ if (!empty($array_keys)) {
 	header('Location: whoisonline.php');
 	exit;
 }
-?>
+