$check_result = mysqli_query($conn, $check_sql);
$error = '';
$error = ''; $success = '';
// Check connection if (!$conn) die("Connection failed: " . mysqli_connect_error());
// Check if car is available for selected dates $check_sql = "SELECT * FROM bookings WHERE car_id = $car_id AND status NOT IN ('cancelled', 'completed') AND ((pickup_date BETWEEN '$pickup_date' AND '$return_date') OR (return_date BETWEEN '$pickup_date' AND '$return_date') OR ('$pickup_date' BETWEEN pickup_date AND return_date))"; car rental php script
if ($_SERVER['REQUEST_METHOD'] == 'POST') $username = mysqli_real_escape_string($conn, $_POST['username']); $password = $_POST['password'];
if ($_SERVER['REQUEST_METHOD'] == 'POST') $username = mysqli_real_escape_string($conn, $_POST['username']); $email = mysqli_real_escape_string($conn, $_POST['email']); $password = password_hash($_POST['password'], PASSWORD_DEFAULT); $full_name = mysqli_real_escape_string($conn, $_POST['full_name']); $phone = mysqli_real_escape_string($conn, $_POST['phone']); $license_number = mysqli_real_escape_string($conn, $_POST['license_number']); $check_result = mysqli_query($conn
?>