function save_questions($quiz_id, $question_arr)
{
if (!$quiz_id || !$question_arr) {
return false;
}
$question_ids = array();
foreach ($question_arr as $question) {
$question_id = $question['id'];
$question_ids[] = $question_id;
if ($question_id) {
he_quiz::update_question($question['id'], $question['text']);
} else {
$question_id = he_quiz::create_question($quiz_id, $question['text']);
$question_ids[] = $question_id;
}
$photo = $question['filename'];
if (isset($_FILES[$photo]['error']) && $_FILES[$photo]['error'] == 0) {
$tmp_file = $_FILES[$photo];
he_quiz::save_photo($question_id, $tmp_file, 'question', $photo, 200);
}
foreach ($question['answers'] as $answer) {
$answer_id = $answer['id'];
if ($answer_id) {
he_quiz::update_answer($answer_id, $answer['label']);
} else {
$answer_id = he_quiz::create_answer($question_id, $answer['result_id'], $answer['label']);
}
}
}
if (!$question_ids) {
return false;
}
$question_str = implode(', ', $question_ids);
//get removed questions
$query = he_database::placeholder("SELECT `id` FROM `se_he_quiz_question`\r\n WHERE `id` NOT IN ({$question_str}) AND `quiz_id`=?", $quiz_id);
$removed_ids = he_database::fetch_column($query);
he_quiz::delete_questions($removed_ids);
}