Reinventing Payment – evolving a PHP domain model from one table to DDD

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I've been building payment systems for a while and kept running into the same problem — existing libraries normalize provider APIs but nobody asks what a payment domain model should actually look like.This is my attempt to answer that question. The article walks through the evolution from a single table to channels, state machines, and hexagonal architecture. Still ongoing, feedback welcome.https://corner4.dev/reinventing-payment-how-i-evolved-a-doma...

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Website: corner4.dev/reinventing-payment-how-i-evolved-a-doma