Code-Snippets-Functions/Execute a function on a child site/WooCommerce/allow-only-bacs-payment-for-high-priced-products.txt

add_filter('woocommerce_available_payment_gateways', 'restrict_bacs_for_high_value_items', 99, 1);
function restrict_bacs_for_high_value_items( $available_gateways ) {
    // Only on frontend and if BACS payment method is enabled
    if ( ! is_admin() && isset($available_gateways['bacs']) ) {
        // Loop through cart items
        foreach ( WC()->cart->get_cart() as $item ) {
            // If an item has a price up to 100
            if ( $item['data']->get_price() >= 100 ) {
                // Only BACS payment allowed
                return ['bacs' => $available_gateways['bacs']]; 
            }
        }
    }
    return $available_gateways;
}