usmanzahid/money-utils

A utility library for accurate and consistent money calculations in PHP without rounding errors.

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github.com/Usmanzahidcode/money-utils

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v1.0.0 2025-05-06 18:09 UTC

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MIT 1372e39b3317cf68ccbb9d412f33e06b71182080

  • Usman Zahid <developerusman.woop@yahoo.com>

This package is auto-updated.

Last update: 2025-05-06 18:15:08 UTC

README

Build Status Latest Stable Version License

A minimalist utility library for precise, reliable, and configurable financial computations.
Built specifically for financial workflows where rounding accuracy and consistency matter most.

This library is designed to eliminate the common pitfalls in financial calculations—like precision errors, rounding discrepancies, and accumulation anomalies—by handling all of it automatically for you.

Key Features

  • Define your desired rounding precision once.
  • Perform all calculations with confidence—the library handles intermediate precision and rounds only when appropriate.
  • Say goodbye to manually rounding every step or remembering when to round—just pass your values in, and the library takes care of the rest.
  • Powered by BCMath under the hood to ensure high-precision arithmetic.

Ideal for developers who want to avoid hidden rounding bugs and ensure consistent output across their entire financial system.

Important Disclaimer

This library is not a magical fix for flawed system design. It will handle rounding and precision reliably, but it won’t compensate for structural inconsistencies or ambiguous business logic.

For Example:
If your system operates in USD but you're working with values like "0.015" + "0.015" = "0.030", you’ll run into issues when rounding for display (0.02 + 0.02 ≠ 0.03).
This isn’t a bug in calculation—it’s a mismatch in your rounding strategy or design assumptions.

Best Practices

To get the most from this library and avoid common pitfalls:

  • Clearly define the monetary units and rules your system follows.
  • Set and enforce precision levels based on the currency in use.
  • Never use floats—always use strings for financial values.

Docs & Usage
Contribution Guide

Note

If you need structured monetary representation with Money and Currency classes, following Martin Fowler's Money pattern, or native multi-currency support, consider using Brick\Money.
However, be aware that even with advanced libraries, flawed system design will still lead to issues that no tool can fix.