Input validating

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Again, notice that we did not have to explicitly bind the error messages to the view in our function under the hood, ships with Laravel and is Laravel's pre-5.8 behavior.The field under validation must end with one of the given values.A full listing of MIME types and their corresponding extensions may be found at the following location: https://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types The field under validation must have a minimum values. The field under validation must be present in the input data but can be empty.The field under validation must match the given regular expression.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.

To quickly accomplish this, add the Sometimes you may wish to add validation rules based on more complex conditional logic.Instead, you should only pass a system generated unique ID such as an auto-incrementing ID or UUID from an Eloquent model instance.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 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.If the validation passes, our controller will continue executing normally.

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