prepare("SELECT id FROM students WHERE reg_number = ?"); $stmt->execute([$reg_number]); if ($stmt->rowCount() > 0) { $error = "Registration number already exists!"; } else { $stmt = $pdo->prepare("INSERT INTO students (reg_number, full_name, email, phone, password) VALUES (?, ?, ?, ?, ?)"); if ($stmt->execute([$reg_number, $full_name, $email, $phone, $password])) { $_SESSION['success'] = "Registration successful! Please login."; redirect('login.php'); } else { $error = "Registration failed! Please try again."; } } } ?>
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