Validating form with php

For example, perhaps they run a game resale shop, or maybe they just enjoy collecting.

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.

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).

In some situations, you may wish to run validation checks against a field only if that field is present in the input array.

The field under validation must be an IPv6 address.

The field under validation must be a valid JSON string.

For example, you may wish to require a given field only if another field has a greater value than 100.One method of registering custom validation rules is using rule objects.To generate a new rule object, you may use the If you only need the functionality of a custom rule once throughout your application, you may use a Closure instead of a rule object.Even though you only need to specify the extensions, this rule actually validates against the MIME type of the file by reading the file's contents and guessing its MIME type.A full listing of MIME types and their corresponding extensions may be found at the following location: The field under validation must have a minimum values. The field under validation must be present in the input data but can be empty.

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