sebastian/type
sebastian/type provides lightweight value objects that model PHP’s type system. Useful for tools and libraries that need to represent, compare, and work with types (including complex and composite types) in a consistent, structured way.
This package directly informs build-vs-buy decisions for developer tooling initiatives, particularly when requiring precise PHP type introspection with minimal edge-case fragility. As a PM, leverage it to:
Adopt this package when your project requires: ✅ Deep PHP type system introspection (e.g., static analysis, code generation, or custom tooling). ✅ Stable type assignability checks (resolved in v7.0.1 for class aliases). ✅ Laravel/PHP ecosystems where type safety is non-negotiable (e.g., financial systems, healthcare APIs).
Look elsewhere if:
❌ You need runtime type enforcement (use php-types or spatie/array-to-object instead).
❌ Your stack relies on non-PHP languages (e.g., JavaScript/TypeScript).
❌ You lack developer resources to integrate custom type rules (this is a low-level tool).
For Executives: "This Laravel package eliminates a critical bottleneck in our type safety tooling. The recent fix for class alias resolution (v7.0.1) ensures our static analysis won’t fail on legacy code—saving dev time and reducing API contract errors. It’s a turnkey solution to cut outsourcing costs for custom type validation."
For Engineering: "We can now build reliable type-aware tooling faster. The package handles edge cases (like class aliases) out of the box, so we avoid reinventing wheels for PHPStan/Psalm plugins. Perfect for DTO validation, API generation, or legacy refactoring."
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