exec("CREATE TABLE IF NOT EXISTS users ( id INT AUTO_INCREMENT PRIMARY KEY, username VARCHAR(50) NOT NULL UNIQUE, password VARCHAR(255) NOT NULL, role ENUM('user', 'psychologist') NOT NULL DEFAULT 'user', created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP );"); // Create tests table $pdo->exec("CREATE TABLE IF NOT EXISTS tests ( id INT AUTO_INCREMENT PRIMARY KEY, title VARCHAR(255) NOT NULL, description TEXT, is_public BOOLEAN DEFAULT TRUE, created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP );"); // Add user_id column to tests table if it doesn't exist $stmt = $pdo->query("SHOW COLUMNS FROM tests LIKE 'user_id'"); if ($stmt->rowCount() == 0) { $pdo->exec("ALTER TABLE tests ADD COLUMN user_id INT, ADD FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE SET NULL;"); } // Create questions table $pdo->exec("CREATE TABLE IF NOT EXISTS questions ( id INT AUTO_INCREMENT PRIMARY KEY, test_id INT NOT NULL, question_text TEXT NOT NULL, FOREIGN KEY (test_id) REFERENCES tests(id) ON DELETE CASCADE );"); // Create options table $pdo->exec("CREATE TABLE IF NOT EXISTS options ( id INT AUTO_INCREMENT PRIMARY KEY, question_id INT NOT NULL, option_text VARCHAR(255) NOT NULL, FOREIGN KEY (question_id) REFERENCES questions(id) ON DELETE CASCADE );"); // Add score column to options table if it doesn't exist $stmt = $pdo->query("SHOW COLUMNS FROM options LIKE 'score'"); if ($stmt->rowCount() == 0) { $pdo->exec("ALTER TABLE options ADD COLUMN score INT NOT NULL DEFAULT 0;"); } // Create user_tests table to track completed tests and scores $pdo->exec("CREATE TABLE IF NOT EXISTS user_tests ( id INT AUTO_INCREMENT PRIMARY KEY, user_id INT NOT NULL, test_id INT NOT NULL, score INT NOT NULL, completed_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE, FOREIGN KEY (test_id) REFERENCES tests(id) ON DELETE CASCADE, UNIQUE(user_id, test_id) );"); // Create test_results_interpretations table $pdo->exec("CREATE TABLE IF NOT EXISTS test_results_interpretations ( id INT AUTO_INCREMENT PRIMARY KEY, test_id INT NOT NULL, min_score INT NOT NULL, max_score INT NOT NULL, interpretation TEXT NOT NULL, FOREIGN KEY (test_id) REFERENCES tests(id) ON DELETE CASCADE );"); // Check if there's any data $stmt = $pdo->query('SELECT COUNT(*) FROM tests'); $count = $stmt->fetchColumn(); if ($count == 0) { // Insert dummy data $tests = [ ['title' => 'Big Five Personality Test', 'description' => 'A comprehensive test to understand your personality based on five major traits.'], ['title' => 'IQ Test - Logic & Reasoning', 'description' => 'Assess your logical reasoning and problem-solving abilities.'], ['title' => 'Myers-Briggs Type Indicator (MBTI)', 'description' => 'Discover your personality type and how you perceive the world.'], ['title' => 'Emotional Intelligence (EQ) Test', 'description' => 'Evaluate your ability to perceive, control, and evaluate emotions.'], ]; $insertStmt = $pdo->prepare('INSERT INTO tests (title, description) VALUES (?, ?)'); foreach ($tests as $test) { $insertStmt->execute([$test['title'], $test['description']]); } } } catch (PDOException $e) { // Don't expose error details to the user return false; } return true; } $pdo = db(); if ($pdo) { setupDatabase($pdo); try { $stmt = $pdo->query('SELECT id, title, description FROM tests WHERE is_public = TRUE ORDER BY created_at DESC'); $tests = $stmt->fetchAll(PDO::FETCH_ASSOC); } catch (PDOException $e) { $tests = []; } } else { $tests = []; } ?>

Available Tests

Choose a test to start your self-discovery journey.

Start Test