require_once('locallib.php');
require_once('lib.php');
- $id = required_param('id', PARAM_INT); // Course Module ID
- $pageid = optional_param('pageid', NULL, PARAM_INT); // Lesson Page ID
- $display = optional_param('display', 0, PARAM_INT); // for teacherview action
- $mode = optional_param('mode', '', PARAM_ALPHA); // for eacherview action todo use user pref
+ $id = required_param('id', PARAM_INT); // Course Module ID
+ $pageid = optional_param('pageid', NULL, PARAM_INT); // Lesson Page ID
+ $action = optional_param('action', '', PARAM_ALPHA);
+ $display = optional_param('display', 0, PARAM_INT); // for teacherview action
+ $mode = optional_param('mode', '', PARAM_ALPHA); // for eacherview action todo use user pref
if (! $cm = get_record('course_modules', 'id', $id)) {