Minor fixes

main/auth/inscription.php

@@ -404,6 +404,7 @@ if ($form->validate()) {
                 echo Display::page_header($tool_name);    
                 echo $content;
                 Display::display_footer();
+                exit;
             }
         }
     }
@@ -477,6 +478,14 @@ if ($form->validate()) {
         }
     }
     
+    /* 
+     * Direct course link see #5299
+     * 
+     * You can send to your students an URL like this 
+     * http://chamilodev.beeznest.com/main/auth/inscription.php?c=ABC&e=3
+     * Where "c" is the course code and "e" is the exercise Id, after a succesfull registration the user will be sent to the course or exercise
+     * 
+     */
     $course_code_redirect = Session::read('course_redirect');
         
     if (!empty($course_code_redirect)) {

main/inc/lib/usermanager.lib.php

@@ -2821,7 +2821,7 @@ class UserManager {
 	 * @author jmontoya
 	 * @return array
 	 */
-	 public function get_all_administrators() {
+	 public static function get_all_administrators() {
 	 	$table_user = Database::get_main_table(TABLE_MAIN_USER);
 	 	$table_admin = Database::get_main_table(TABLE_MAIN_ADMIN);        
         $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);