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Thủ thuật WordPress Woocommerce
1 
// Allow customers to cancel orders after payment
add_filter('woocommerce_valid_order_statuses_for_cancel', 'custom_valid_order_statuses_for_cancel', 10, 2);
function custom_valid_order_statuses_for_cancel($statuses, $order) {
    // Set the statuses that you allow customers to cancel
    $custom_statuses = array('completed', 'pending', 'processing', 'on-hold', 'failed');
    
    // Set the number of days to be allowed to cancel since placing an order
    $duration = 1; // Number of days

    // Get Order ID and WC_Order
    if (isset($_GET['order_id'])) {
        $order = wc_get_order(absint($_GET['order_id']));
    }

    $delay = $duration * 24 * 60 * 60; // Duration in seconds
    $date_created_time = strtotime($order->get_date_created()); // Creation date timestamp
    $date_modified_time = strtotime($order->get_date_modified()); // Modified date timestamp
    $now = strtotime("now"); // Current timestamp

    // Using Creation date timestamp
    if (($date_created_time + $delay) >= $now) {
        return $custom_statuses;
    } else {
        return $statuses;
    }
}