Еще одна шпаргалочка, только уже по корзине

// $cart conditionals (if)
 WC()->cart->is_empty()
 WC()->cart->needs_payment()
 WC()->cart->show_shipping()
 WC()->cart->needs_shipping()
 WC()->cart->needs_shipping_address()
 WC()->cart->display_prices_including_tax()
 // Get $cart totals
 WC()->cart->get_cart_contents_count();
 WC()->cart->get_cart_subtotal();
 WC()->cart->subtotal_ex_tax;
 WC()->cart->subtotal;
 WC()->cart->get_displayed_subtotal();
 WC()->cart->get_taxes_total();
 WC()->cart->get_shipping_total();
 WC()->cart->get_coupons();
 WC()->cart->get_coupon_discount_amount( 'coupon_code' );
 WC()->cart->get_fees();
 WC()->cart->get_discount_total();
 WC()->cart->get_total();
 WC()->cart->total;
 WC()->cart->get_tax_totals();
 WC()->cart->get_cart_contents_tax();
 WC()->cart->get_fee_tax();
 WC()->cart->get_discount_tax();
 WC()->cart->get_shipping_total();
 WC()->cart->get_shipping_taxes();
 // Loop over $cart items
 foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
    $product = $cart_item['data'];
    $product_id = $cart_item['product_id'];
    $quantity = $cart_item['quantity'];
    $price = WC()->cart->get_product_price( $product );
    $subtotal = WC()->cart->get_product_subtotal( $product, $cart_item['quantity'] );
    $link = $product->get_permalink( $cart_item );
    // Anything related to $product, check $product tutorial
    $attributes = $product->get_attributes();
    $whatever_attribute = $product->get_attribute( 'whatever' );
    $whatever_attribute_tax = $product->get_attribute( 'pa_whatever' );
    $any_attribute = $cart_item['variation']['attribute_whatever'];
    $meta = wc_get_formatted_cart_item_data( $cart_item );
 }
 // Get $cart customer billing / shipping
 WC()->cart->get_customer()->get_billing_first_name();
 WC()->cart->get_customer()->get_billing_last_name();
 WC()->cart->get_customer()->get_billing_company();
 WC()->cart->get_customer()->get_billing_email();
 WC()->cart->get_customer()->get_billing_phone();
 WC()->cart->get_customer()->get_billing_country();
 WC()->cart->get_customer()->get_billing_state();
 WC()->cart->get_customer()->get_billing_postcode();
 WC()->cart->get_customer()->get_billing_city();
 WC()->cart->get_customer()->get_billing_address();
 WC()->cart->get_customer()->get_billing_address_2();
 WC()->cart->get_customer()->get_shipping_first_name();
 WC()->cart->get_customer()->get_shipping_last_name();
 WC()->cart->get_customer()->get_shipping_company();
 WC()->cart->get_customer()->get_shipping_country();
 WC()->cart->get_customer()->get_shipping_state();
 WC()->cart->get_customer()->get_shipping_postcode();
 WC()->cart->get_customer()->get_shipping_city();
 WC()->cart->get_customer()->get_shipping_address();
 WC()->cart->get_customer()->get_shipping_address_2();
 // Other stuff
 WC()->cart->get_cross_sells();
 WC()->cart->get_cart_item_tax_classes_for_shipping();
 WC()->cart->get_cart_hash();
 WC()->cart->get_customer();