Libraries tagged by order calculation

Order creation package with shipping form template and total calculation.

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A PHP cart library for checkout calculations, summary and invoice generation.

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Panth Extra Fee — add configurable extra fees and surcharges to Magento 2 checkout based on payment method, customer group, country/region, products, categories, order amount, and more. Fixed, percentage, or combined fee calculation with full tax and refund support.

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Library in order to make calculations related to Forex. It provides basic calculators that can be used to improve your money management.

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Laravel Pathao Courier API integration package for creating orders, delivery price calculation, parcel tracking, merchant stores, and webhook status updates.

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One checkout flow for both fulfillment modes: Pickup + Delivery, with date + time slot/window selection. Availability is always real: location-based hours, blackout dates, cutoff times, and lead-time rules drive what customers can pick. Delivery includes service-area validation plus distance-based fees (Google Maps support + fallback distance calculation). Flexible delivery pricing: flat rate, per-km, or tiered distance bands. One operations layer for office + kitchen + drivers: every order becomes a trackable fulfillment task. One status lifecycle from order creation to ready / out for delivery / completed, with rescheduling tools when plans change. Built for multi-location businesses that need schedule accuracy, operational control, and clean execution.

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The ShoppingCart package provides a simple and flexible solution for managing a shopping cart in Laravel applications. It uses sessions to store cart items, allowing you to easily add, update, remove, and clear items. With support for custom attributes, price calculations, and total cost computation, this package is ideal for building e-commerce and order management systems.

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An exchange rate calculator that defers calculation to its registered calculators in priority order until an exchange rate is successfully returned.

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Rule Engine for calculating the Total Price of a Line Item

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Library for calculating and displaying order realization (e.g. shipping) dates in e-commerce systems.

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PHP port of treilik/bubbleboxer — box-drawing layout engine. Compose terminal content into H/V panels with box-drawing borders, padding, and dynamic dimension calculation.

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Lexicographic order calculator, useful for persisting ordered lists.

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A PHP pricing calculator that does one thing perfectly: calculate prices with taxes, discounts, fees, and credits in the correct order.

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International duty & tax calculations for cross-border sales

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Framework-agnostic tax calculation engine with multi-jurisdiction support, temporal rate resolution, hierarchical tax structure, reverse charge mechanism, economic nexus determination, partial exemptions, and place-of-supply rules for cross-border services

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