How to validate route parameters in Laravel 5?
Above solution works in Laravel < 5.5. If you want to use it in Laravel 5.5 or above, you should use: instead. Override the all () function on the Request object to automatically apply validation rules to the URL parameters Access the data normally from the controller like this, after injecting the request:
Which is the default value for a route parameter?
Route parameters may have default values designated by specifying the default value after the parameter name separated by an equals sign (=). For example, {controller=Home} defines Home as the default value for controller. The default value is used if no value is present in the URL for the parameter.
What is the difference between routedata and datatokens?
RouteData.DataTokens is a property bag of additional data related to the matched route. DataTokens are provided to support associating state data with each route so that the app can make decisions based on which route matched. These values are developer-defined and do not affect the behavior of routing in any way.
When to use form request validators in Laravel?
If you dont want to specify each route param and just put all route params you can override like this: The form request validators are used for validating HTML form data that are sent to server via POST method.
L5 let you do in two other ways. The first one, using a generic Request class injected in the controller: In L5 you are allowed to call validate () functions that receive the request and the rules to run over it. This functions is in charge of run rules, if some rule fails, then the user is redirected to previous request
What are the parameters of a custom validator?
The generic type parameters on the base class represent the root instance being validated, and the type of the property that our custom validator can act upon. In this case we’re constraining the custom validator to types that implement IList although this can be left open if desired.
When to use a requiredvalidator in webcontrols?
If the input control is empty, no validation functions are called and validation succeeds. Use a RequiredFieldValidator control to require the user to enter data in the input control. It is possible to use a CustomValidator control without setting the ControlToValidate property.