public static function allocate_unique_ids($assignid) {
        global $DB;

        $cm = get_coursemodule_from_instance('assign', $assignid, 0, false, MUST_EXIST);
        $context = context_module::instance($cm->id);

        $currentgroup = groups_get_activity_group($cm, true);
        $users = get_enrolled_users($context, "mod/assign:submit", $currentgroup, 'u.id');

        // Shuffle the users.
        shuffle($users);

        foreach ($users as $user) {
            $record = $DB->get_record('assign_user_mapping',
                                      array('assignment'=>$assignid, 'userid'=>$user->id),
                                     'id');
            if (!$record) {
                $record = new stdClass();
                $record->assignment = $assignid;
                $record->userid = $user->id;
                $DB->insert_record('assign_user_mapping', $record);
            }
        }
    }
public static function allocate_unique_ids($assignid) {
        global $DB;

        $cm = get_coursemodule_from_instance('assign', $assignid, 0, false, MUST_EXIST);
        $context = context_module::instance($cm->id);

        $currentgroup = groups_get_activity_group($cm, true);
        $users = get_enrolled_users($context, "mod/assign:submit", $currentgroup, 'u.id');

        // Shuffle the users.
        shuffle($users);

        foreach ($users as $user) {
            $record = $DB->get_record('assign_user_mapping',
                                      array('assignment'=>$assignid, 'userid'=>$user->id),
                                     'id');
            if (!$record) {
                $record = new stdClass();
                $record->assignment = $assignid;
                $record->userid = $user->id;
                $DB->insert_record('assign_user_mapping', $record);
            }
        }
    }
public static function allocate_unique_ids ( $ assignid ) { global $ DB ; $ cm = get_coursemodule_from_instance ( 'assign' , $ assignid , 0 , false , MUST_EXIST ) ; $ context = context_module :: instance ( $ cm -> id ) ; $ currentgroup = groups_get_activity_group ( $ cm , true ) ; $ users = get_enrolled_users ( $ context , "mod/assign:submit" , $ currentgroup , 'u.id' ) ; // Shuffle the users. shuffle ( $ users ) ; foreach ( $ users as $ user ) { $ record = $ DB -> get_record ( 'assign_user_mapping' , array ( 'assignment' => $ assignid , 'userid' => $ user -> id ) , 'id' ) ; if ( ! $ record ) { $ record = new stdClass ( ) ; $ record -> assignment = $ assignid ; $ record -> userid = $ user -> id ; $ DB -> insert_record ( 'assign_user_mapping' , $ record ) ; } } }
Foreach participant in the course - assign them a random id.

@param int $assignid The assignid to lookup
Foreach participant in the course - assign them a random id .