openapi-httpfoundation-testing VS Money

But then again, most PHP developers don't have to think about this too much. I personally started to look into compatibility testing more seriously when I created my first open-source library and, later on, when I started exploring building for the console with PHP.

All of these pieces form a jigsaw puzzle that the OpenAPI HttpFoundation Testing package sets out to solve for us, allowing developers to back their integration tests with OpenAPI definitions in applications relying on the HttpFoundation component.

moneyphp: PHP implementation of Fowler's Money pattern

There's also https://github.com/moneyphp/money, which is great.

Or you can use MoneyPHP, which uses BCMath, and it takes care of all of your problems.

Instead, you want to use a Money object of some sort instead; e.g. https://github.com/moneyphp/money.

Yeah I usually use moneyphp for this

https://github.com/moneyphp/money to handle money

With that in place, let's talk about our test project for a minute. We are going to build a small library on top of Money, a popular PHP package facilitating the manipulation of monetary values and currencies.

In addition to the essential advice above to use Integers of the lowest denomination to store prices, you can also look into using a library to help with all the money math, conversions, comparisons etc https://github.com/moneyphp/money

Read the readme from moneyphp: https://github.com/moneyphp/money