Moodle login/index.php modification (redirect to last enrolled course)

gistfile1.txt

//this should be added after $SESSION->wantsurl = null; (there are roughly 4 occurances, consider each individually) 

if($student_course_arry = enrol_get_users_courses($USER->id, true, Null, 'visible DESC,sortorder DESC'))
        {
            
            foreach($student_course_arry as $value)
            {
                
                $SESSION->wantsurl = $CFG->httpswwwroot . '/course/view.php?id=' . $value->id;
            }
            
        }