2017 © Pedro Peláez

library laravel-validation

Laravel validation extension for throwing ValidationException on error



Laravel validation extension for throwing ValidationException on error

  • Sunday, February 2, 2014
  • by revati
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  • PHP
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Exceptional Validation

Validation support in two ways., (*1)

  • ValidationException throwing and configurable responses
  • BaseValidator abstract class with handy functionality


  • No need to worry about what happens if validation fails (ValidationException).
  • Can dynamicly assign modifiers to validation rules:
// In ResourceValidator that extends Revati\Validation\BaseValidator
$rules = [
    'title' => 'required'
    'endDate'  => 'after:[afterDate]'

$resourceValidator->addModifier('date', 'afterDate', Input::get('startDate'));

// So [afterDate] will be replaced with 3th parameter


Begin by installing this package through Composer. Edit your project's composer.json file to require revati/validation., (*2)

"require": {
    "laravel/framework": "4.1.*",
    "revati/validation": "dev-master"

Next, update Composer from the Terminal:, (*3)

composer update

Once this operation completes, the final step is to add the service provider. Open app/config/app.php, and add a new item to the providers array., (*4)

// 'Illuminate\Validation\ValidationServiceProvider',

That's it! You're all set to go., (*5)


  • Create seperate Validator file for each Resource (should extend Revati\Validation\BaseValidator)
  • Set all rules that should be applied to Resource

Get specific rules

  • getRules method accepts one parameter (array) with list of all rules that should extracted from global $rules.
// Will get only title rules

// Will get title rules and overwrite description rules
$validator->getRules(array('title', 'description' => 'min:200'));

Dynamic rules modifiers

In url specify modifier hook like so: [modifier]., (*6)

// Change hook value
// Modifier should bee passed without square brackets
$validator->addModifier('field', 'min', 20);

// As field name can be passed `*` to search in all field rules.
$validator->addModifier('*', 'max', 100);

// Modifiers can be be grouped
$validator->addModifier('field', 'min|max', 10);


Caution: By default exception throwing is enabled. So if you dont need it it can be disaled via packages config., (*7)

php artisan config:publish revati/validation

Whatever where you want to validate something, (*8)

// ...

// Validate $input against $rules like usual.
// No need to catch response because if errors will occur, exception
// will be thrown and necessary response returned.
Validator::make($input, $rules);

// If got to this point validation passed
$user = User::create($input);

// For validation only (without throwing exception)
$validator = Validator::sotfMake($input, $rules);

// To disable or enable exception throwing at runtime use fallowing methods:

// To change response at runtime use fallowing method
Validation::setResponse($responseClosure, $ajaxResponseClosure);

// Change only one response
Validation::setResponse(null, $ajaxResponseClosure);

// ...

If error occur, fallowing responses will be returned:, (*9)

// For "regular" request
return \Redirect::back()

// For ajax request
return \Response::json(array(
    'success' => false,
    'errors' => $e->getErrors()->toJson()
), 400);

// $e stands for ValidationException witch (for now) only has one method
// to return errors -> getErrors.


Those responses are defined as closures in package config file, so just by publishing package config you can modify what your app should be doing in witch case., (*10)

php artisan config:publish revati/validation


It is probably out of scope for this package, but planing to add simple js file for automating form submit + error showing on error response., (*11)

The Versions

02/02 2014



Laravel validation extension for throwing ValidationException on error

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The Requires


by Avatar revati

laravel validation