connect_error) {
die("Connection failed: " . $conn->connect_error);
}
// Fetch 5 random questions from the database
$sql = "SELECT * FROM questions ORDER BY RAND() LIMIT 5";
$result = $conn->query($sql);
$questions = [];
while ($row = $result->fetch_assoc()) {
$questions[] = $row;
}
// Store correct answers in session
$correct_answers = [];
foreach ($questions as $index => $question) {
$correct_answers[] = $question['correct_option'];
}
$_SESSION['correct_answers'] = $correct_answers;
// Initialize the score if it's not already in session
if (!isset($_SESSION['score'])) {
$_SESSION['score'] = 0;
}
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$current_question_index = $_POST['current_question_index'];
$answer = $_POST['answer'];
// Check if the answer is correct and increment the score
if (isset($_SESSION['correct_answers'][$current_question_index]) && $answer == $_SESSION['correct_answers'][$current_question_index]) {
$_SESSION['score']++; // Increment score in session
}
// Move to the next question or finish if it's the last question
$next_question_index = $current_question_index + 1;
if ($next_question_index < count($questions)) {
echo json_encode([
'next_question_index' => $next_question_index,
'score' => $_SESSION['score'],
'next_question' => $questions[$next_question_index]
]);
} else {
// Redirect to the result page after the last question
header("Location: result.php");
exit();
}
exit;
}
?>
Quiz Application