laminas/laminas-validator
Laminas Validator provides flexible, reusable validation rules for PHP applications. Includes built-in validators, input filtering/validation chains, and tools for validating common data types like emails, URLs, numbers, strings, and more.
Architecture fit: Laminas Validator is a standalone PHP component designed for MVC architectures and API layers, with framework-agnostic design that works in Laminas, Symfony, or custom PHP projects. Its modular structure supports validation of scalars, arrays, and nested objects without framework dependencies, making it suitable for both monolithic and microservices architectures. Integration with form processing and API request handling is seamless due to its PSR-7 compatibility.
Integration feasibility: High feasibility via Composer installation and PSR-4 autoloading. The API is consistent with other Laminas components, reducing onboarding friction. However, in non-Laminas environments (e.g., Laravel), additional wiring is required for error handling and translation, and the documentation lacks clear cross-framework examples. Potential conflicts may arise if projects already use Symfony Validator or other validation libraries.
Technical risk: Low to moderate. BSD-3-Clause license is permissive, but the repository's low GitHub stars (155) and questionable release date (2026-02-16—likely a typo) raise concerns about maintenance activity. Ris
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