What is the benefit of using a PSR-20 Clock implementation?

PSR-20 provides a standardized interface for time, allowing you to inject time into your services rather than calling global functions. This makes your code more testable and decoupled from the server environment.

How does the FrozenClock help in unit testing?

FrozenClock allows you to 'stop time' at a specific point. This ensures that time-sensitive assertions in your tests don't fail due to the milliseconds passing between the execution of your code and your assertion.

Can I use this with frameworks like Symfony or Laravel?

Absolutely. Since it follows the PSR-20 standard, the generated classes can be easily registered in any PSR-compliant dependency injection container.

Is the generated code compatible with PHP 8.4?

Yes, the skill is optimized for PHP 8.4, utilizing modern features like readonly classes, constructor property promotion, and strict typing.

PSR-20 Clock Generator

Name: PSR-20 Clock Generator
Author: dykyi-roman

bydykyi-roman

•

API開発

Generates standards-compliant PSR-20 Clock implementations and unit tests for robust PHP 8.4 time management.

The PSR-20 Clock Generator is a specialized skill for Claude Code designed to automate the creation of a comprehensive time abstraction layer within PHP applications. By generating PSR-20 compliant interfaces and implementations—including SystemClock, FrozenClock, OffsetClock, and MonotonicClock—this tool helps developers decouple business logic from the system clock. This is essential for building testable, high-quality software where time-sensitive operations like subscription expirations, scheduling, and logging need to be verified with deterministic results. The skill follows modern PHP 8.4 standards, utilizing readonly classes and strict typing for maximum reliability.

主な機能

01Generates PSR-20 compliant ClockInterface and production-ready implementations.

02Implements MonotonicClock to prevent issues with system clock drifts.

03Creates comprehensive PHPUnit test suites for all generated clock components.

04Provides FrozenClock for deterministic mocking in unit and integration tests.

05Includes OffsetClock for simulating specific time intervals (ahead/behind).

0645 GitHub stars

ユースケース

01Standardizing time management across distributed PHP microservices.

02Implementing Clean Architecture or DDD by injecting time as a dependency.

03Testing time-dependent business logic such as trial periods or token expirations.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add dykyi-roman/awesome-claude-code create-psr20-clock

For use in Claude.ai and ChatGPT

Download Skill