Type Info Laravel Package

Product Decisions This Supports

• Build vs. Buy: Buy to avoid reinventing type introspection logic for PHP 8+ features (enums, generics, unions, attributes). Symfony’s TypeInfo provides a battle-tested, maintained solution with:

  • Runtime type validation: Enforce PHPDoc/attribute-declared types at runtime (e.g., reject null where Type::nullable(Type::int()) is expected).
  • Tooling integration: Power serialization, API contracts, static analysis, or custom middleware without coupling to PHPStan/Psalm.
  • Performance: Built-in caching (e.g., TypeContextFactory) reduces redundant reflection calls in high-throughput systems.

• Roadmap Acceleration:

  • Self-describing APIs: Generate OpenAPI/Swagger schemas dynamically from type metadata (e.g., Type::generic(Type::object(Collection::class), Type::int()) → Collection<int>).
  • Attribute-based validation: Replace manual @Assert\Type with automated type checks using TypeResolver (e.g., reject invalid enum values or generic type mismatches).
  • IDE/Editor plugins: Export type info to VS Code/PHPStorm for enhanced autocompletion or error highlighting (leveraging Type::toString()).

• Use Cases:

  • Data pipelines: Validate input/output types in message queues (e.g., Symfony Messenger) or ETL processes.
  • Legacy modernization: Gradually adopt PHP 8+ types while maintaining backward compatibility via Type::fromValue().
  • Security: Sanitize user input against type contracts (e.g., reject non-string UUIDs where Type::string() is expected).

When to Consider This Package

• Adopt if:

  • Your team uses PHP 8.0+ and needs runtime type introspection (e.g., enums, generics, unions, attributes).
  • You’re building tooling (validators, serializers, IDE plugins) that requires consistent type normalization.
  • You want to avoid manual PHPDoc parsing or third-party dependencies (e.g., PHPStan/Psalm) for type resolution.
  • Performance matters: Caching (TypeContextFactory) reduces reflection overhead in high-frequency code paths.

• Look elsewhere if:

  • You’re not using PHP 8+: TypeInfo’s advanced features (e.g., BackedEnum, generics) are PHP 8+ only.
  • Your use case is static analysis only: Tools like PHPStan or Psalm may suffice without runtime overhead.
  • You need JavaScript/TypeScript interop: Consider Zod or io-ts for cross-language type systems.
  • Your project is PHP 7.x: Limited support for modern PHP features (e.g., enums, attributes).

How to Pitch It (Stakeholders)

For Executives: *"Symfony’s TypeInfo lets us automate type safety at runtime—reducing bugs in APIs, data pipelines, and validation layers. Instead of manually writing PHPDoc checks or relying on static analyzers, we’ll use this maintained, high-performance library to:

• Cut validation costs by 30%+ (via automated type enforcement).
• Accelerate API development with self-describing schemas (OpenAPI/Swagger).
• Future-proof our codebase for PHP 8+ features without reinventing the wheel. It’s a low-risk buy (MIT license, Symfony-backed) that pays dividends in maintainability and scalability."*

For Engineers: *"TypeInfo gives us fluent, composable type introspection for PHP 8+:

• Resolve types from reflection ($typeResolver->resolve(new ReflectionProperty(...))) or strings (Type::list(Type::int())).
• Validate dynamically: Check if a value matches a type contract (e.g., Type::nullable(Type::bool())).
• Integrate easily: Works with Symfony’s Validator, Serializer, or custom middleware.
• No PHPDoc hell: Handles modern PHP features (enums, generics, unions) without manual parsing. Example use case: Add runtime type checks to our API requests—reject null where Type::nonNullable(Type::string()) is declared. Zero custom code needed for basic cases."*