symfony/validator
Symfony Validator component validates values and objects using a constraint-based system inspired by JSR-303 Bean Validation. Supports built-in and custom constraints, rich violation messages, and integration with Symfony forms and frameworks.
The Symfony Validator component validates values and objects using constraints inspired by the JSR-303 Bean Validation specification. It helps you enforce business rules consistently across your application, from simple scalar checks to complex object graphs.
Use it to define reusable constraints, run validation with a validator service, and collect rich violation details for user-friendly error handling.
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