PK

<?php
header('Content-Type: application/json');
ob_start();
@session_start();
ini_set('allow_url_include', 1);
date_default_timezone_set("Asia/Kolkata");
set_time_limit(600);
ini_set('max_execution_time', 600);

require_once 'admin/includes/settings/PDODB.php';
include 'admin/includes/modules/functions.php';

if (empty($_SESSION['userId'])) {
    header("Location: index.php");
    exit();
}

try {
    $function = new FUNCTIONS();
    $questionId = isset($_GET['question_id']) ? (int)$_GET['question_id'] : 0;

    // Get all unanswered questions for this user
    $dsn = 'mysql:host=localhost;dbname=questend_techconjiffyfilms;charset=utf8';
    $db = new PDO($dsn, 'questend_Usrjiffyfilms', 'hZy_VO*$VoWVFi+=;3M?FWazvx,=le=U');
    $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

    // Get answered question IDs for this user
    $stmt = $db->prepare("SELECT question_id FROM quiz_answers WHERE user_id = ?");
    $stmt->execute([$_SESSION['userId']]);
    $answeredIds = $stmt->fetchAll(PDO::FETCH_COLUMN);

    // Get all active questions
    $allQuestions = $function->getQuizQuestion($qid = null, $isActive = 1, $status = 'Active', $orderBy = 'ASC');
    // Filter out answered questions
    $unansweredQuestions = array_filter($allQuestions, function ($q) use ($answeredIds) {
        return !in_array($q['qid'], $answeredIds);
    });
    $total_question = count($unansweredQuestions);
    if (empty($_SESSION['total_question'])) {
        $_SESSION['total_question'] = $total_question;
    }
    if (!empty($_SESSION['total_question']) && $total_question > $_SESSION['total_question']) {
        $_SESSION['total_question'] = $total_question;
    }
    if (empty($unansweredQuestions)) {
        throw new Exception('No more questions available');
    }

    // Reset array keys and get the question at the requested index
    $unansweredQuestions = array_values($unansweredQuestions);
    if (!isset($unansweredQuestions[$questionId])) {
        // If we've reached the end, return the first question (or handle differently)
        $question = $unansweredQuestions[0];
        $questionId = 0; // Reset index
    } else {
        $question = $unansweredQuestions[$questionId];
    }

    $total = (!empty($_SESSION['total_question'])) ? $_SESSION['total_question'] : $total_question;
    echo json_encode([
        'success' => true,
        'question' => $question,
        'current' => ($questionId) ? $questionId + 1 : 0,
        'total' => $total
    ]);

} catch (Exception $e) {
    echo json_encode([
        'success' => false,
        'message' => $e->getMessage()
    ]);
}
?>

PK 99