Validating a method
If a game collector registers with our application and they own more than 100 games, we want them to explain why they own so many games.For example, perhaps they run a game resale shop, or maybe they just enjoy collecting.
Otherwise, your application will be vulnerable to an SQL injection attack. The field under validation must be a valid RFC 4122 (version 1, 3, 4, or 5) universally unique identifier (UUID).As mentioned previously, Laravel will automatically redirect the user back to their previous location.In addition, all of the validation errors will automatically be flashed to the session.To conditionally add this requirement, we can use the Laravel provides a variety of helpful validation rules; however, you may wish to specify some of your own.One method of registering custom validation rules is using rule objects.
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In the case of a traditional HTTP request, a redirect response will be generated, while a JSON response will be sent for AJAX requests. Again, if the validation fails, the proper response will automatically be generated.