/**
* Process all the question actions in the current request.
*
* If there is a parameter slots included in the post data, then only
* those question numbers will be processed, otherwise all questions in this
* useage will be.
*
* This function also does {@link update_question_flags()}.
*
* @param int $timestamp optional, use this timestamp as 'now'.
* @param array $postdata optional, only intended for testing. Use this data
* instead of the data from $_POST.
*/
public function process_all_actions($timestamp = null, $postdata = null) {
$slots = question_attempt::get_submitted_var('slots', PARAM_SEQUENCE, $postdata);
if (is_null($slots)) {
$slots = $this->get_slots();
} else if (!$slots) {
$slots = array();
} else {
$slots = explode(',', $slots);
}
foreach ($slots as $slot) {
if (!$this->validate_sequence_number($slot, $postdata)) {
continue;
}
$submitteddata = $this->extract_responses($slot, $postdata);
$this->process_action($slot, $submitteddata, $timestamp);
}
$this->update_question_flags($postdata);
}
