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config.php
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config.php
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<?php
session_start();
$servername = "localhost";
$dbusername = "root";
$dbpassword = "";
$database = "quiz_db";
$conn = new mysqli($servername, $dbusername, $dbpassword, $database);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
} else {
#echo "* DB Connected<br>";
}
// Function to check if the user is logged in
function isLoggedIn() {
if (isset($_SESSION['username']) && isset($_SESSION['key'])) {
$savedUsername = $_SESSION['username'];
$savedKey = $_SESSION['key'];
global $conn;
// Retrieve the key from the database based on the username
$sql = "SELECT id, key1 FROM users WHERE username = ?";
$stmt = $conn->prepare($sql);
$stmt->bind_param("s", $savedUsername);
$stmt->execute();
$stmt->bind_result($id,$keyFromDB);
if ($stmt->fetch()) {
// Check if the saved key matches the key from the database
if ($savedKey === $keyFromDB) {
return $id;
}
}
}
return false;
}
function userinfo($id, $field) {
global $conn;
// Retrieve the specified field value from the database based on the user's ID
$sql = "SELECT $field FROM users WHERE id = ?";
$stmt = $conn->prepare($sql);
$stmt->bind_param("i", $id);
$stmt->execute();
$stmt->bind_result($value);
if ($stmt->fetch()) {
return $value;
}
return null;
}
function currenturl(){
return htmlspecialchars($_SERVER['REQUEST_URI']);
}
function changePassword($id, $newPassword) {
if ( isLoggedIn()){
global $conn;
// Hash the new password
$hashedPassword = password_hash($newPassword, PASSWORD_BCRYPT);
// Update the password in the database
$sql = "UPDATE users SET password = ? WHERE id = ?";
$stmt = $conn->prepare($sql);
$stmt->bind_param("si", $hashedPassword, $id);
$stmt->execute();
return $stmt->affected_rows > 0;
}
}
function insertQuestion($userId, $questionText) {
// Assuming $conn is your database connection object
global $conn;
// SQL query with placeholders, excluding quiz_id (assuming it's an auto-increment primary key)
$sql = "INSERT INTO questions (user_id, question_text) VALUES (?, ?)";
// Prepare the statement
$stmt = $conn->prepare($sql);
if (!$stmt) {
# die("Error in preparing the statement: " . $conn->error);
echo("Error in preparing the statement: " . $conn->error);
return ;
}
// Bind parameters
$questionText = htmlspecialchars($questionText, ENT_QUOTES, 'UTF-8');
$stmt->bind_param("is", $userId, $questionText);
// Execute the statement
$result = $stmt->execute();
if (!$result) {
# die("Error in executing the statement: " . $stmt->error);
echo ("Error in executing the statement: " . $stmt->error);
return ;
}
// Get the auto-generated question_id
$questionId = $stmt->insert_id;
// Close the statement
$stmt->close();
// Return the question_id
return $questionId;
}
function insertAnswer($questionId, $userId, $answerText, $isCorrect) {
// Assuming $conn is your database connection object
global $conn;
// SQL query with placeholders
$sql = "INSERT INTO answers (question_id, user_id, answer_text, is_correct) VALUES (?, ?, ?, ?)";
// Prepare the statement
$stmt = $conn->prepare($sql);
if (!$stmt) {
// Display the error message
echo "Error in preparing the statement: " . $conn->error;
// Return 0 to indicate an error
return 0;
}
// Sanitize user-generated content to prevent SQL injection
$answerText = htmlspecialchars($answerText, ENT_QUOTES, 'UTF-8');
// Bind parameters
$stmt->bind_param("iisi", $questionId, $userId, $answerText, $isCorrect);
// Execute the statement
$result = $stmt->execute();
if (!$result) {
// Display the error message
echo "Error in executing the statement: " . $stmt->error;
// Close the statement
$stmt->close();
// Return 0 to indicate an error
return 0;
}
// Get the auto-generated answer_id
$answerId = $stmt->insert_id;
// Close the statement
$stmt->close();
// Return the answer_id
return $answerId;
}
$pagefunction = [
'home' => ['homePage', 'Home'],
'add_edit' => ['add_edit_questionPage', 'Add Q'],
# 'add_new_question' => ['add_new_questionPage', 'AddQ'],
# 'view_questions' => ['viewQuestionsPage', 'Questions'],
'view_questions_s' => ['viewQuestionsPage_s', 'Q List'],
'question_maker' => ['Question_Maker_page', 'Add Paper'],
'view_question_paper_nav' => ['viewQuestionPapernav', 'Paper List'],
# 'edit_question' => ['editQuestionPage', 'EditQ'],
#'print_question_paper' => ['printQuestionPaperPage', 'Print'],
'reprint' => ['reprintQuestionPaperPage', 'Reprint'],
'evaluate' => ['evaluateFun', 'Evaluate'],
'view_evaluation_results' => ['viewEvaluationResults', 'Result'],
#'dashboard' => ['dashboardPage', 'Dashboard'],
'changepassword' => ['changePasswordPage', 'CP'],
'signin' => ['signinPage', 'Sign In'],
'signout' => ['signoutPage', 'Sign Out'],
// Add more pages as needed
];
function printQuestionPaperPage(){
if (!isLoggedIn()){
die("Serious Error");
}
global $conn;
// Retrieve all questions from the database
$sql = "SELECT id, question_text FROM questions ORDER BY RAND()"; // Retrieve 20 random questions for the A4 page
$result = $conn->query($sql);
$qansdataidlist = "";
if ($result->num_rows > 0) {
echo "<h2 class='text-center mb-4' style='font-size: 16px;'>MCQ Question Paper</h2>"; // Adjust font size for the title
// Add a checkbox for marking correct answers
echo "<label><input type='checkbox' id='markCorrectAnswers' onchange='toggleBoldAnswers()'> Mark Correct Answers </label> ";
echo "<label><input type='checkbox' id='correctanswerlist' onchange='togglecorrectAnswers()'> Bottom Answers</label><br><br>";
$questionCounter = 1; // Initialize question counter
$ques_ans_list = [];
// Loop through each question
while ($row = $result->fetch_assoc()) {
$questionId = $row['id'];
$questionText = $row['question_text'];
$qansdataidlist = $qansdataidlist."#". $questionId;
// Display only the question ID on the right side
echo "<div style='font-size: 11px; display: flex; justify-content: space-between;'>"; // Use flexbox for a two-column layout
echo "<div style='width: 70%;'><b>$questionCounter) $questionText</b></div>"; // Reduced font size for question text
// Move [ID:$questionId] to the right side
echo "<div style='width: 28%; text-align: right;'>[ID:$questionId]</div>";
echo "</div>";
$ques_ans_list[$questionCounter] = [];
// Retrieve and display answers for the current question
$answersSql = "SELECT id, answer_text, is_correct FROM answers WHERE question_id = ? ORDER BY RAND()";
$stmt = $conn->prepare($answersSql);
$stmt->bind_param("i", $questionId);
$stmt->execute();
$stmt->bind_result($answerId, $answerText, $isCorrect);
echo "<div style='font-size: 11px; display: flex; justify-content: space-between;'>"; // Use flexbox for a two-column layout
$index = 65; // ASCII code for 'A'
while ($stmt->fetch()) {
// Display each answer in one line with alphabetical count (A, B, C, ..., J)
$alphabeticalCount = chr($index);
// Add a class to correct answers if the checkbox is checked
$boldClass = ($isCorrect) ? 'bold-answer' : '';
if($isCorrect){
$ques_ans_list[$questionCounter][] = chr($index) ;
}
echo "<div style='width: 48%;' class='$boldClass'><span style='margin-right: 10px;'>$alphabeticalCount)</span>";
echo "$answerText</div>"; // Reduced font size for answer text
$index++;
$qansdataidlist = $qansdataidlist."@".$answerId;
}
// Add inline JavaScript to toggle bold class on correct answers
echo "</div>";
echo "<br>"; // Add a line break between questions
$questionCounter++; // Increment question counter
}
#var_dump
echo "<div class='correctanswerlistshow'>";
foreach ($ques_ans_list as $questionNumber => $answerNumbers) {
echo "<b> Q-$questionNumber: </b>" . implode(", ", $answerNumbers) . " ";
}
echo "</div>";
echo "<textarea class='form-control' readonly>$qansdataidlist</textarea>";
#var_dump($ques_ans_list);
echo "<script>
function toggleBoldAnswers() {
var checkbox = document.getElementById('markCorrectAnswers');
var answers = document.querySelectorAll('.bold-answer');
if (checkbox.checked) {
answers.forEach(function (answer) {
answer.style.fontWeight = 'bold';
});
} else {
answers.forEach(function (answer) {
answer.style.fontWeight = 'normal';
});
}
}
function togglecorrectAnswers() {
var checkbox = document.getElementById('correctanswerlist');
var opt = document.querySelectorAll('.correctanswerlistshow');
if (checkbox.checked) {
opt.forEach(function (opt) {
opt.style.display = 'block';
});
} else {
opt.forEach(function (opt) {
opt.style.display = 'none';
});
}
}
</script>";
} else {
echo "<p class='text-center mt-5'>No questions found.</p>";
}
}
function reprintQuestionPaperPage(){
if (!isLoggedIn()){
die("Serious Error");
}
global $conn ;
#var_dump($_POST);
if(isset($_POST['reprinttext'])){
if(!verifyToken()){die("token error");}
//$_POST['reprinttext'] = (str_replace(' ', '', $_POST['reprinttext']));
$_POST['reprinttext'] = trim($_POST['reprinttext']) ;
}
##var_dump($_POST);
#var_dump($_POST['reprinttext']);
$qry = "";
$randomizecheckbox = isset($_POST['Randomize']) ? 1 : "0";
if(!isset($_POST["reprinttext"])){
if ( isset($_GET['paper_id']) ) {
$paper_mode = 1;
if (viewPaper($_GET['paper_id'])){
$p_id = intval ( $_GET['paper_id'] ) ;
#var_dump( viewPaper($p_id));
$st1 = viewPaper($p_id)['value'];
$qs = explode("#",$st1);
echo "<br>";
$ee1 = [];
foreach($qs as $q_id){
$ee2_ans= [];
$ee2_ans[] = $q_id;
#$answersSql = "SELECT id FROM answers WHERE question_id = ? ORDER BY RAND()";
$answersSql = "SELECT id FROM answers WHERE question_id = ?";
$stmt = $conn->prepare($answersSql);
$stmt->bind_param("i", $q_id);
$stmt->execute();
$stmt->bind_result($answerId);
while ($stmt->fetch()) {
#echo $answerId."@";
$ee2_ans[] = $answerId;
##echo $answerId ;
#echo "<br>";echo "<br>";
}
$ee1[] = implode("@",$ee2_ans);
#echo "<br>";
}
$qry = implode ("#",$ee1);
# var_dump($qry);
} else{
echo "Paper not found error ";
}
}else{
$paper_mode = 0;
}
?>
<form method="post" action="<?php echo currenturl(); ?>">
<div class="form-group">
<label for="exampleTextarea">Your Textarea Label:</label>
<textarea class="form-control" value="2" name="reprinttext" id="exampleTextarea" rows="8" placeholder="Enter your text here..."><?php echo $qry ; ?></textarea>
</div>
<div class="form-check">
<input class="form-check-input" type="checkbox" value="<?php echo $randomizecheckbox ; ?>" name="Randomize" id="defaultCheck1" <?php echo $randomizecheckbox==1? "checked": "";?>>
<label class="form-check-label" for="defaultCheck1">
Randomize
</label>
</div>
<?php echo addTokenToForm(); ?>
<button type="submit" class="btn btn-primary">Submit</button>
</form>
<?php
}else{
#echo $string = "5@20@17@19@18#4@15@13@14@16#2@5@7@6@8#1@3@1@2@4#3@12@11@9@10";
$string = htmlspecialchars(str_replace(' ', '', $_POST['reprinttext']));
// Step 1: Split the string using #
$step1Array = explode("#", $string);
#var_dump($step1Array);
// Step 2: Initialize the final array
$finalArray = [];
// Step 3: Iterate over the results from step 1
foreach ($step1Array as $step1Item) {
// Step 4: Split each item using @
#$step1Item = intval($step1Item);
$step2Array = explode("@", $step1Item);
// Step 5: Add the resulting array to the final array
$finalArray[] = $step2Array;
}
if ( isset($_POST['Randomize']) && $_POST['Randomize']== 1){
shuffle($finalArray);
}
// Display the final array
#var_dump($finalArray);
$qansdataidlist = "";
$printer = "" ;
if (1==1) {
$printer .= "<h2 class='text-center mb-4' style='font-size: 16px;'>MCQ Question Paper</h2>"; // Adjust font size for the title
// Add a checkbox for marking correct answers
$printer .= "<label class='printable-hidden'><input type='checkbox' id='markCorrectAnswers' class='printable-hidden' onchange='toggleBoldAnswers()'> Mark Correct Answers </label> ";
$printer .= "<label class='printable-hidden'><input type='checkbox' id='correctanswerlist' class='printable-hidden' onchange='togglecorrectAnswers()'> Bottom Answers</label><br><br>";
$questionCounter = 1; // Initialize question counter
$ques_ans_list = [];
// Loop through each question
#shuffle($finalArray);
$finalsufflearray = [] ;
foreach ( $finalArray as $row ) {
$questionId = $row[0];
if(getCurrentQuestionText($questionId)){
$questionText = getCurrentQuestionText($questionId);
}else{continue;}
$qansdataidlist = $qansdataidlist."#". $questionId;
// Display only the question ID on the right side
$printer .= "<div class='mt-2' style='font-size: 11px; display: flex; justify-content: space-between;'>"; // Use flexbox for a two-column layout
$printer .= "<div style='width: 90%;'>$questionCounter) $questionText</div>"; // Reduced font size for question text
// Move [ID:$questionId] to the right side
$printer .= "<div class='printable-hidden' style='width: 10%; text-align: right; '>[ID:$questionId]</div>";
$printer .= "</div>";
$ques_ans_list[$questionCounter] = [];
// Retrieve and display answers for the current question
$printer .= "<div style='font-size: 11px; display: flex; justify-content: space-between;'>"; // Use flexbox for a two-column layout
$index = 64; // ASCII code for 'A'-1
$rownas = [];
$i = 0 ;
foreach ( $row as $ansI ){
$i++ ;
if($i==1){continue;}
$rownas[] = $ansI;
}
if ( isset($_POST['Randomize']) && $_POST['Randomize']== 1){
shuffle($rownas);
}
$p = [];
$p[] = $questionId;
foreach ( $rownas as $ansI ) {
$p[] = $ansI ;
$answerId = $ansI;
$index++;
if($index==65){continue;}
if(getCurrentAnswerDetails($answerId)){
$ansdetail = getCurrentAnswerDetails($answerId);
}else{
continue;
}
$isCorrect = $ansdetail['is_correct'];
$answerText = $ansdetail['answer_text'];
#var_dump($ansdetail);
// Display each answer in one line with alphabetical count (A, B, C, ..., J)
$alphabeticalCount = chr($index);
// Add a class to correct answers if the checkbox is checked
$boldClass = ($isCorrect) ? 'bold-answer' : '';
if($isCorrect){
$ques_ans_list[$questionCounter][] = chr($index) ;
}
$printer .= "<div style='width: 48%;' class='$boldClass'><span style='margin-right: 10px;'>$alphabeticalCount)</span>";
$printer .= "$answerText</div>"; // Reduced font size for answer text
$qansdataidlist = $qansdataidlist."@".$answerId;
}
$finalsufflearray[] = implode("@",$p);
// Add inline JavaScript to toggle bold class on correct answers
$printer .= "</div>";
# echo "<br>"; // Add a line break between questions
$questionCounter++; // Increment question counter
}
$string = implode("#",$finalsufflearray);
#echo "Random<textarea class='form-control printable-hidden' readonly>$string</textarea>";
$currenturl =currenturl() ;
$checked = $randomizecheckbox==1? 'checked': ''; ;
#var_dump($_POST);
echo "<form method='post' class='printable-hidden' action='$currenturl'>
<div class='form-group '>
<label for='exampleTextarea'>Your Textarea Label:</label>
<textarea class='form-control' name='reprinttext' id='exampleTextarea' rows='2' placeholder='Enter your text here...'>$string</textarea>
</div>
<div class='form-check'>
<input class='form-check-input' type='checkbox' value='1' name='Randomize' id='defaultCheck1' $checked>
<label class='form-check-label' for='defaultCheck1'>
Randomize
</label>
</div>
".addTokenToForm()."
<button type='submit' class='btn btn-primary'>Submit</button>
</form>" ;
;
echo $printer ;
echo "<div class='correctanswerlistshow'>";
foreach ($ques_ans_list as $questionNumber => $answerNumbers) {
echo "<b> Q-$questionNumber: </b>" . implode(", ", $answerNumbers) . " ";
}
echo "</div>";
echo "<script>
function toggleBoldAnswers() {
var checkbox = document.getElementById('markCorrectAnswers');
var answers = document.querySelectorAll('.bold-answer');
if (checkbox.checked) {
answers.forEach(function (answer) {
answer.style.fontWeight = 'bold';
});
} else {
answers.forEach(function (answer) {
answer.style.fontWeight = 'normal';
});
}
}
function togglecorrectAnswers() {
var checkbox = document.getElementById('correctanswerlist');
var opt = document.querySelectorAll('.correctanswerlistshow');
if (checkbox.checked) {
opt.forEach(function (opt) {
opt.style.display = 'block';
});
} else {
opt.forEach(function (opt) {
opt.style.display = 'none';
});
}
}
</script>";
echo " <button class='btn btn-primary printable-hidden' onclick='togglePrintableView()' >Printable Format</button>
<!-- Add CSS to hide the printable elements by default -->
<style>
</style>
<script>
// Function to toggle visibility of printable elements
function togglePrintableView() {
// Toggle visibility of elements with class 'printable-hidden'
var elements = document.querySelectorAll('.printable-hidden');
elements.forEach(function(element) {
element.style.display = (element.style.display === 'none') ? 'inline' : 'none';
});
// Trigger print if all printable elements are visible
var allVisible = true;
elements.forEach(function(element) {
if (element.style.display === 'none') {
allVisible = false;
}
});
if (!allVisible) {
window.print();
}
}
</script>";
} else {
echo "<p class='text-center mt-5'>No questions found.</p>";
}
}
}
// Function to get the current question text from the database
function getCurrentQuestionText($questionId) {
global $conn;
$sql = "SELECT question_text FROM questions WHERE id = ?";
$stmt = $conn->prepare($sql);
$stmt->bind_param("i", $questionId);
$stmt->execute();
$stmt->bind_result($currentQuestionText);
if ($stmt->fetch()) {
$stmt->close();
return $currentQuestionText;
}
return null; // Handle if the question is not found
}
// Function to get the current answer details from the database
function getCurrentAnswerDetails($answerId) {
global $conn;
$sql = "SELECT answer_text, is_correct FROM answers WHERE id = ?";
$stmt = $conn->prepare($sql);
$stmt->bind_param("i", $answerId);
$stmt->execute();
$stmt->bind_result($currentAnswerText, $currentIsCorrect);
if ($stmt->fetch()) {
$stmt->close();
return ['answer_text' => $currentAnswerText, 'is_correct' => $currentIsCorrect];
}
return null; // Handle if the answer is not found
}
// Function to edit a question in the database
function editQuestion($questionId, $newQuestionText) {
global $conn;
// Retrieve the current question text from the database
$currentQuestionText = getCurrentQuestionText($questionId); // Replace with your own function
// Check if the new and current values are different
if ($currentQuestionText != $newQuestionText) {
// Update the question text in the database
$sql = "UPDATE questions SET question_text = ? WHERE id = ?";
$stmt = $conn->prepare($sql);
$stmt->bind_param("si", $newQuestionText, $questionId);
$stmt->execute();
// Return true even if no rows were affected
# return true;
if ($stmt->error) {
# "Error editing question: " . $stmt->error;
}
return $stmt->affected_rows > 0;
}
// Values are the same, consider it a successful update
return true;
}
// Function to edit an answer in the database
function editAnswer($answerId, $newAnswerText, $isCorrect) {
global $conn;
// Retrieve the current answer details from the database
$currentAnswerDetails = getCurrentAnswerDetails($answerId); // Replace with your own function
// Check if the new and current values are different
if ($currentAnswerDetails['answer_text'] != $newAnswerText || $currentAnswerDetails['is_correct'] != $isCorrect) {
// Update the answer text and correctness in the database
$sql = "UPDATE answers SET answer_text = ?, is_correct = ? WHERE id = ?";
$stmt = $conn->prepare($sql);
$stmt->bind_param("sii", $newAnswerText, $isCorrect, $answerId);
$stmt->execute();
// Return true even if no rows were affected
if ($stmt->error) {
echo "Error editing answer with ID $answerId: " . $stmt->error;
}
return $stmt->affected_rows > 0;
}
// Values are the same, consider it a successful update
return true;
}
include ("functions.php");
function add_edit_questionPage(){
if (!isLoggedIn()) { die("Serious Error"); }
global $conn;
// Initialize $stmt
$stmt = null;
$edit_mode = 0 ;
$userId = isLoggedIn();
if ( isset($_GET['id'])){
#$edit_mode= 1 ;
$questionId = $_GET['id'];
$edit_mode= 1;
}
$metainputs = [
'cat' => "Category",
'typ' => "Type"
];
// Check if the form is submitted
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['submit'])) {
if(!verifyToken()){die("token error");}
if( 1==1 ) {
$newQuestionText = htmlspecialchars($_POST['questionText']);
// Edit the question
if($edit_mode){
$questionId = intval($_POST['questionId']);
if (editQuestion($questionId, $newQuestionText)) {
# echo "Question edited successfully!";
echo "<div class='alert alert-success' role='alert'>Question edited successfully!</div>";
} else {
echo "Error editing question.";
}
}else{
$questionId = insertQuestion($userId, $newQuestionText);
}
// Close the statement for retrieving the question text
if ($stmt) {
$stmt->close();
}
// Edit each answer
$_POST['answers'] = isset($_POST['answers'] ) ? $_POST['answers'] : [];
foreach ($_POST['answers'] as $index => $answerText) {
$answerId = intval($index);
$isCorrect = isset($_POST['correctAnswers'][$index]) ? 1 : 0;
if (!empty($answerText)){
if (!editAnswer($answerId, $answerText, $isCorrect)) {
# echo "Error editing answer with ID: $answerId";
}
}else{
#remove the answer
removeAnswerById($answerId);
#echo "<div class='alert alert-danger' role='alert'>Empty Answer Removed</div>";
}
}
$_POST['newanswers'] = isset($_POST['newanswers'])?$_POST['newanswers'] : [];
$_POST['correctnewAnswers'] = isset($_POST['correctnewAnswers'])?$_POST['correctnewAnswers'] : [];
$correctnewAnswers = $_POST['correctnewAnswers'];
foreach ($_POST['newanswers'] as $index => $answerText) {
$answerId = intval($index);
#$isCorrect = isset($_POST['correctnewAnswers'][$index]) ? 1 : 0;
$isCorrect = in_array($index, $correctnewAnswers) ? 1 : 0;
#addAnswerField
$userId = isLoggedIn();
if (!empty($answerText)){
if (!insertAnswer($questionId, $userId, $answerText, $isCorrect)) {
# echo "Error editing answer with ID: $answerId";
}
}else{
#remove the answer
#removeAnswerById($answerId);
#echo "<div class='alert alert-danger' role='alert'>Empty Answer Removed</div>";
}
}
// meta
/*$metainputs = [
'cat' => "Category",
'typ' => "Type"
];*/
//questionId
foreach ( $metainputs as $meta_name=>$text) {
if(isset($_POST['meta_'.$meta_name])){
$metaName = 'meta_'.$meta_name;
$metaValue = htmlspecialchars($_POST['meta_'.$meta_name]);;
$referenceId = $questionId;
if(getMetaDataId('meta_'.$meta_name,$questionId)){
//update
updateMetaData($metaName, $metaValue, $referenceId);
echo "Updated";
}else{
///create
addMetaData($metaName, $metaValue, $referenceId);
echo "created";
}
}else{
// nothing to do // not a valid meta name
echo "not isset". 'meta_'.$meta_name;
}
}
}
}
// Retrieve the question details from the database
if (1==1) {
if( $edit_mode) {
$questionId = intval($_GET['id']);
$questionSql = "SELECT question_text FROM questions WHERE id = ?";
$stmt = $conn->prepare($questionSql);
$stmt->bind_param("i", $questionId);
$stmt->execute();
$stmt->bind_result($questionText);
$grab = $stmt->fetch();
// Close the statement for retrieving the question text
$stmt->close();
if ($grab){
$edit_mode = 1;//code =1 ; editing something
}else{
die("Invalid id");
###$edit_mode = 1;//code =
}
}else{
$edit_mode = 0 ;
$questionId= 0 ;
$questionText = "";
}
if ( 1==1 ) {
// Display the form to edit the question
if($edit_mode){
echo "<h2>Edit Question</h2>";
}else{
echo "<h2>Add new question</h2>";
}
echo "<form action='" . currenturl() . "' method='post'>";#
echo addTokenToForm();
echo "<input type='hidden' name='questionId' value='$questionId'>";
echo "<div class='form-group'>";###
echo "<label for='questionText'>Question Text:</label>";
echo "<textarea name='questionText' id='questionText' class='form-control' required>$questionText</textarea>";
echo "</div>";##form-group
// Retrieve and display answers for the current question
$answersSql = "SELECT id, answer_text, is_correct FROM answers WHERE question_id = ? ORDER BY `answers`.`id` ASC";
$stmt = $conn->prepare($answersSql);
$stmt->bind_param("i", $questionId);
$stmt->execute();
$stmt->bind_result($answerId, $answerText, $isCorrect);
echo "<h3>Edit Answers</h3>";
$count_ans= 0;
if($edit_mode){
while ($stmt->fetch()) {
$count_ans = $count_ans + 1;
// Display each answer with an input field
echo "<div class='form-group mb-2 mt-2'>";
echo "<div class='row align-items-center'>"; // Added 'align-items-center' class
// Input field column
echo "<div class='col-md-10 align-items-center'>";
#echo "<label for='answer$answerId' class='form-label'>Answer $answerId:</label>";
echo "<div class='input-group'>";
echo "<input type='text' name='answers[$answerId]' id='answer$answerId' class='form-control answer-input " . ($isCorrect ? "is-valid" : "") . "' value='$answerText'>";
echo "</div>";
echo "</div>";
// Checkbox column
echo "<div class='col-md-2 form-check align-items-center'>";
echo "<div class='form-check-input-container'>";
echo "<input class='form-check-input form-check-input-lg' type='checkbox' name='correctAnswers[$answerId]' value='$answerId' id='correctAnswerCheckbox$answerId' " . ($isCorrect ? "checked" : "") . ">";
echo "<label class='form-check-label' for='correctAnswerCheckbox$answerId'> Correct</label>";
echo "</div>";
echo "</div>";
echo "</div>";
echo "</div>";
}
}else{
for(;$count_ans < 4 ; $count_ans++){
echo "<div class='form-group mb-2 mt-2'>
<div class='row align-items-center'>
<div class='col-md-10 align-items-center'>
<div class='input-group'>
<input type='text' name='newanswers[]' id='answer$count_ans' class='form-control answer-input' >
</div>
</div>
<div class='col-md-2 form-check align-items-center'>
<div class='form-check-input-container'>
<input class='form-check-input form-check-input-lg' type='checkbox' name='correctnewAnswers[]' value='$count_ans' id='answer$count_ans' >
<label class='form-check-label' for='answer$count_ans'> Correct</label>
</div>
</div>
</div>
</div>";
}
}
echo "<div class='form-group mt-3 mb-3'>";
echo "<button type='button' id='addAnswerField' class='btn btn-secondary'>Add Answer</button>";
echo "</div>";