}
if ($debug) {
error_log('7.3. $_SESSION[expired_time][$current_expired_time_key] ' . $_SESSION['expired_time'][$current_expired_time_key]);
}
if (!isset($_SESSION['expired_time'][$current_expired_time_key])) {
//Timer - Get expired_time for a student
if (!empty($exercise_stat_info)) {
if ($debug) {
error_log('7.4 Seems that the session ends and the user want to retake the exam');
}
$expired_time_of_this_attempt = $exercise_stat_info['expired_time_control'];
if ($debug) {
error_log('7.5 $expired_time_of_this_attempt: ' . $expired_time_of_this_attempt);
}
// Get the last attempt of an exercise
$last_attempt_date = Event::getLastAttemptDateOfExercise($exercise_stat_info['exe_id']);
/* This means that the user enters the exam but do not answer the
first question we get the date from the track_e_exercises not from
the track_et_attempt see #2069 */
if (empty($last_attempt_date)) {
$diff = $current_timestamp - api_strtotime($exercise_stat_info['start_date'], 'UTC');
$last_attempt_date = api_get_utc_datetime(api_strtotime($exercise_stat_info['start_date'], 'UTC') + $diff);
} else {
//Recalculate the time control due #2069
$diff = $current_timestamp - api_strtotime($last_attempt_date, 'UTC');
$last_attempt_date = api_get_utc_datetime(api_strtotime($last_attempt_date, 'UTC') + $diff);
}
if ($debug) {
error_log('7.6. $last_attempt_date: ' . $last_attempt_date);
}
//New expired time - it is due to the possible closure of session
