function findResetables($user, $courses, $semestersid)
{
global $CFG, $USER;
$semester = get_record('block_courseprefs_semesters', 'id', $semestersid);
$semester_name = "{$semester->year}{$semester->name}{$user->getUsername()}cl";
$numbers = $user->findClNumbers($semestersid, $courses);
foreach ($numbers as $number) {
$crosslists = CoursePrefsCrosslist::findByNumber($semester_name . $number);
if (empty($crosslists)) {
continue;
}
reset_prefs($crosslists);
}
}
