Minor - format code

main/course_home/course_home.php

@@ -31,7 +31,6 @@ use ChamiloSession as Session;
 */
 
 $use_anonymous = true;
-
 require_once __DIR__.'/../inc/global.inc.php';
 
 $htmlHeadXtra[] ='<script>
@@ -178,10 +177,10 @@ if (isset($_GET['action']) && $_GET['action'] == 'subscribe') {
         }
     }
 }
-
 /*	Is the user allowed here? */
 api_protect_course_script(true);
 
+
 /*  STATISTICS */
 
 if (!isset($coursesAlreadyVisited[$course_code])) {

main/inc/global.inc.php

@@ -194,7 +194,7 @@ if (!empty($_configuration['multiple_access_urls'])) {
 
 $charset = 'UTF-8';
 
-// Enables the portablity layer and configures PHP for UTF-8
+// Enables the portability layer and configures PHP for UTF-8
 \Patchwork\Utf8\Bootup::initAll();
 
 // Start session after the internationalization library has been initialized.

main/inc/lib/chamilo_session.class.php

@@ -69,8 +69,6 @@ class ChamiloSession extends System\Session
      */
     static function start($already_installed = true)
     {
-        global $_configuration;
-
         /*
          * Prevent Session fixation bug fixes
          * See http://support.chamilo.org/issues/3600
@@ -112,7 +110,7 @@ class ChamiloSession extends System\Session
         }*/
         // If the session time has expired, refresh the starttime value,
         //  so we're starting to count down from a later time
-        if ( $session->has('starttime') && $session->is_expired()) {
+        if ($session->has('starttime') && $session->is_expired()) {
             $session->destroy();
         } else {
             //error_log('Time not expired, extend session for a bit more');