Php modernization
Skill ComeOnOliver/skillshub/skills/netresearch/php-modernization-skill/php-modernization
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SKILL.md
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PHP Modernization Skill
Modernize PHP applications to PHP 8.x with type safety, PSR compliance, and static analysis.
Expertise Areas
- PHP 8.x: Constructor promotion, readonly, enums, match, attributes, union types
- PSR/PER Compliance: Active PHP-FIG standards
- Static Analysis: PHPStan (level 9+), PHPat, Rector, PHP-CS-Fixer
- Type Safety: DTOs/VOs over arrays, generics via PHPDoc
Using Reference Documentation
PHP Version Features
When implementing PHP 8.0-8.5 features (constructor promotion, readonly properties, enums, match expressions, attributes), consult references/php8-features.md.
Standards Compliance
When ensuring PSR/PER compliance or configuring PHP-CS-Fixer with @PER-CS, consult references/psr-per-compliance.md for active PHP-FIG standards.
When configuring PHPStan levels or understanding level requirements, consult references/phpstan-compliance.md for level overview and production configuration.
Static Analysis Tools
When setting up PHPStan, PHPat, Rector, or PHP-CS-Fixer, consult references/static-analysis-tools.md for configuration examples and integration patterns.
Type Safety
When implementing type-safe code or migrating from arrays to DTOs, consult references/type-safety.md for type system strategies and best practices.
When creating request DTOs or handling safe integer conversion, consult references/request-dtos.md for DTO patterns and validation approaches.
Architecture Patterns
When implementing adapter registry patterns for multiple external services, consult references/adapter-registry-pattern.md for dynamic adapter instantiation from database configuration.
When using Symfony DI, events, or modern framework patterns, consult references/symfony-patterns.md for architecture best practices.
Migration Planning
When planning PHP version upgrades or modernization projects, consult references/migration-strategies.md for assessment phases, compatibility checks, and migration workflows.
Running Scripts
Project Verification
To verify a PHP project meets modernization requirements:
scripts/verify-php-project.sh /path/to/project
This script checks:
- PHPStan level compliance
- PHP-CS-Fixer configuration
- Type declaration coverage
- DTO usage patterns
Required Tools
When setting up a modernized PHP project, ensure these tools are configured:
| Tool | Requirement |
|---|---|
| PHPStan | Level 9 minimum, level 10 recommended |
| PHPat | Required for defined architectures |
| Rector | Required for automated modernization |
| PHP-CS-Fixer | Required with @PER-CS ruleset |
Core Rules
- DTOs required over arrays for structured data
- Backed enums required for fixed value sets (not constants)
- PSR interfaces for type-hinting dependencies (PSR-3, PSR-6, PSR-7, PSR-11, PSR-14, PSR-18)
See references/core-rules.md for code examples and scoring criteria.
Migration Checklist
-
declare(strict_types=1)in all files - PER Coding Style via PHP-CS-Fixer (
@PER-CS) - PHPStan level 9+ (level 10 for new projects)
- PHPat architecture tests
- Return types and parameter types on all methods
- DTOs for data transfer, no array params/returns
- Backed enums for all status/type values
- Type-hint against PSR interfaces
Contributing: https://github.com/netresearch/php-modernization-skill
What ships with it
Read from the repository
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