require_once $_SERVER['DOCUMENT_ROOT'] . "/exam-simulator/private/functions/input.php";
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$examID = fix_string($_POST['examID']);
$question = fix_string($_POST['question']);
$question_type = fix_string($_POST['questionType']);
$questionID = fix_string($_POST['questionID']);
edit_question($examID, $question, $questionID);
switch ($question_type) {
case 'mult_answers':
$json_assoc_array = json_decode($_POST['answers']);
$mult_answers = fix_input_assoc_array($json_assoc_array);
// assoc array e.g {answer : 'true'}
delete_answers($questionID, $question_type);
create_multiple_choice_answers($questionID, $mult_answers);
break;
case 'single_answers':
$answer = fix_string($_POST['answer']);
delete_answers($questionID, $question_type);
create_single_answer($answer, $questionID);
break;
case 'keyword_answers':
$keywords = json_decode($_POST['answers']);
$keywords = fix_input_array($keywords);
remove_non_alphanumeric($keywords);
delete_answers($questionID, $question_type);
create_keyword_answers($questionID, $keywords);
break;
}
} else {
go_home();
}
}
for ($i = 0; $i < count($mult_checks); $i++) {
$multID_answerID[$mult_checks[$i][1]] = array();
}
foreach ($multID_answerID as $key => $value) {
for ($y = 0; $y < count($mult_checks); $y++) {
if ($key == $mult_checks[$y][1]) {
array_push($multID_answerID[$key], $mult_checks[$y][0]);
}
}
}
}
}
if (isset($_POST['question_keyword_answer_id']) && isset($_POST['keyword_answers'])) {
$question_keyword_answer_id = fix_input_array($_POST['question_keyword_answer_id']);
$keyword_answers = fix_input_array($_POST['keyword_answers']);
if (count($keyword_answers) > 0) {
for ($i = 0; $i < count($question_keyword_answer_id); $i++) {
$keyword_answers[$i] = preg_replace("/[^A-Za-z0-9 ]/", '', $keyword_answers[$i]);
// remove non alphanumeric characters
$keyword_answers[$i] = strtoupper($keyword_answers[$i]);
$kwID_answer[$question_keyword_answer_id[$i]] = array_unique(explode(' ', $keyword_answers[$i]));
$kwID_answer[$question_keyword_answer_id[$i]] = array_values($kwID_answer[$question_keyword_answer_id[$i]]);
}
}
}
if (isset($_POST['num_of_questions']) && isset($_POST['num_of_correct_answers']) && isset($_POST['questionID_order'])) {
$num_of_questions = fix_string($_POST['num_of_questions']);
$num_of_correct_answers = fix_string($_POST['num_of_correct_answers']);
$questionID_order = fix_string($_POST['questionID_order']);
$questionID_order = explode(',', $questionID_order);
// create a new poll question
// JavaScript needed to generate the number of answers
// however php will still check that the fields are valid
// check that - user is logged in - that inputs are valid
session_start();
require_once "../functions/sql_functions.php";
require_once "../functions/session_functions.php";
require_once "../functions/input.php";
require_once "../classes/poll.php";
require_once "../classes/question_file.php";
require_once "../classes/question_insert.php";
if ($_SERVER['REQUEST_METHOD'] == 'POST' && logged_in()) {
$question = fix_string($_POST['question']);
$answers = fix_input_array($_POST['answer']);
$categories = fix_input_array($_POST['categories']);
arraytoupper($categories);
// ensure that all strings in array are uppercase to avoid unnessasary duplicates
$user = $_SESSION['user'];
if (!question_valid($question) && !input_array_valid($answers) && !input_array_valid($categories)) {
go_home();
}
// failed to create new question
$conn = get_conn();
$poll_question = new Poll($conn);
$poll_question->set_question($question);
$poll_question->set_categories($categories);
$poll_question->set_answers($answers);
$poll_question->set_user($user);
$result = $poll_question->save();
$conn->close();
