Set Expiration Date for a Virtual Product in WooCommerce

virtual_product_expiration.php

<?php
// Set expiration date for virtual products when the order is marked complete
add_action('woocommerce_order_status_completed', 'set_user_virtual_product_expiration', 10, 1);

function set_user_virtual_product_expiration($order_id) {
    $order = wc_get_order($order_id);
    $user_id = $order->get_user_id();

    if (!$user_id) return; // Ensure it's a registered user

    foreach ($order->get_items() as $item_id => $item) {
        $product = $item->get_product();

        if ($product->is_virtual()) {
            $product_id = $product->get_id();
            $expiration_date = strtotime('+1 year', strtotime($order->get_date_completed()));

            // Save expiration date per user and per product
            update_user_meta($user_id, '_product_expiration_date_' . $product_id, $expiration_date);
        }
    }
}

// Restrict access to virtual product if expired
add_action('template_redirect', 'restrict_access_to_expired_products');

function restrict_access_to_expired_products() {
    if (!is_user_logged_in()) return;

    global $post;
    $user_id = get_current_user_id();
    $product_id = $post->ID;

    // Get expiration date specific to this user and product
    $expiration_date = get_user_meta($user_id, '_product_expiration_date_' . $product_id, true);

    if ($expiration_date && time() > $expiration_date) {
        wp_die('Access to this product has expired. Please repurchase to regain access.');
    }
}