Laravel Validation

Laravel Validation is a built-in feature of the Laravel PHP framework that provides a powerful, expressive, and convenient way to validate incoming HTTP request data. It allows developers to define validation rules for form inputs, API requests, and other data sources using a fluent, chainable syntax, automatically returning error messages and handling validation failures. This feature integrates seamlessly with Laravel's request handling, middleware, and form request classes to ensure data integrity and security.

Also known as: Laravel Form Validation, Laravel Request Validation, Laravel Validator, Laravel Validation Rules, Laravel Input Validation

Why learn Laravel Validation?

Developers should use Laravel Validation when building web applications or APIs with Laravel to ensure that user-submitted data meets specific criteria, such as required fields, data types, formats, or custom business rules, preventing invalid data from entering the system. It is essential for use cases like user registration forms, data submission endpoints, and administrative interfaces, as it reduces manual error-checking code, improves security by sanitizing inputs, and enhances user experience with automatic error feedback.

Learning Resources

• docs: Laravel Documentation: Validation
• video: Laracasts: Laravel From Scratch - Validation
• tutorial: Laravel Validation Tutorial by Scotch.io
• docs: Laravel Validation Rules Cheat Sheet