php-modernization-skill

PHP Modernization Skill

Expert patterns for modernizing PHP applications to PHP 8.x with type safety, PSR/PER compliance, static analysis tools, and Symfony best practices.

Compatibility

This is an **Agent Skill** following the [open standard](https://agentskills.io) originally developed by Anthropic and released for cross-platform use.

**Supported Platforms:**

• Claude Code (Anthropic)
• Cursor
• GitHub Copilot
• Other skills-compatible AI agents

Skills are portable packages of procedural knowledge that work across any AI agent supporting the Agent Skills specification.

Features

• PHP 8.x Features: Constructor property promotion, readonly properties and classes, named arguments, enums and match expressions, attributes (replacing annotations), union and intersection types, nullsafe operator
• Static Analysis Tools: PHPStan (level 9+), PHPat (architecture testing), Rector (automated refactoring), PHP-CS-Fixer (coding style)
• PSR/PER Compliance: Enforces all active PHP-FIG standards (PSR-1, 3, 4, 6, 7, 11, 12, 13, 14, 15, 16, 17, 18, 20) and PER Coding Style
• Type Safety Patterns: DTOs and Value Objects over arrays, generic collection typing via PHPDoc, strict typing enforcement, PHPStan level 10 compliance, runtime type validation
• Symfony Integration: Dependency injection patterns, service configuration (YAML to PHP), event dispatcher and PSR-14, form handling modernization, security component updates

Installation

Marketplace (Recommended)

Add the [Netresearch marketplace](https://github.com/netresearch/claude-code-marketplace) once, then browse and install skills:

# Claude Code
/plugin marketplace add netresearch/claude-code-marketplace

npx ([skills.sh](https://skills.sh))

Install with any [Agent Skills](https://agentskills.io)-compatible agent:

npx skills add https://github.com/netresearch/php-modernization-skill --skill php-modernization

Download Release

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