Open Source Tech Hub

Aug 7, 2026 · Backend Development

Stop Misusing UUIDs in PHP: How to Choose Between UUID, ULID, and Sqid

This article examines the trade‑offs of UUID, ULID, and Sqid for PHP applications, explaining their designs, storage implications, ordering behavior, security considerations, and provides concrete code examples and a decision‑flow to help developers pick the right identifier for their use case.