How to validate model object instance in laravel?

by wilmer.lemke , in category: PHP Frameworks , 10 days ago

How to validate model object instance in laravel?

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1 answer

by edmond_brakus , 10 days ago

@wilmer.lemke 

In Laravel, you can validate model object instances by utilizing Laravel's built-in validation feature. Here's a step-by-step guide on how to validate a model object instance in Laravel:

  1. Define the validation rules for the model object in a separate class or directly in the controller method. For example, you can define the rules in a separate Request class:
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namespace AppHttpRequests;

use IlluminateFoundationHttpFormRequest;

class MyModelRequest extends FormRequest
{
    public function rules()
    {
        return [
            'name' => 'required|string|max:255',
            'email' => 'required|email',
            // Add more rules as needed
        ];
    }
}


  1. In your controller method, you can validate the model object instance using the defined validation rules. You can access the model object's attributes using the ->attributes property. For example:
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use AppHttpRequestsMyModelRequest;

public function store(MyModelRequest $request)
{
    $model = new MyModel();
    $model->fill($request->validated());

    // Validate the model object instance
    $request->validate();

    // Save the model object instance
    $model->save();

    return response()->json($model, 201);
}


  1. If the validation fails, Laravel will automatically redirect the user back with the validation errors. You can display the errors in the view using the @error directive. For example:
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@if ($errors->any())
    <div class="alert alert-danger">
        <ul>
            @foreach ($errors->all() as $error)
                <li>{{ $error }}</li>
            @endforeach
        </ul>
    </div>
@endif


By following these steps, you can easily validate model object instances in Laravel using Laravel's built-in validation feature.