How to Validate Array Input in Laravel 10

As a developer working with Laravel 10, I've often encountered scenarios where I needed to validate and process arrays of data from user inputs. Whether it's handling tags, multiple selections, or complex data structures, array input validation is a crucial part of web application development.

In this step-by-step guide, I'll walk you through the process of validating array inputs in Laravel 10, showing you how to ensure the data you receive is accurate, secure, and tailored to your application's needs.

So, let's see how to validate array input in laravel 10, laravel 10 array validation, laravel validation, how to array validation in laravel, and laravel validate an array of objects.

If you haven't already, create a new Laravel 10 project. You can do this using Composer:

composer create-project laravel/laravel my-array-validation-project
cd my-array-validation-project

 

In this step, we'll create a route and a form in a blade view to submit an array of data.

In routes/web.php, create a route that points to a controller or a closure.

use Illuminate\Support\Facades\Route;

Route::get('/array-validation', 'ArrayValidationController@index');
Route::post('/array-validation', 'ArrayValidationController@store');

 

Now, create a controller using Artisan:

php artisan make:controller ArrayValidationController

Inside your controller (app/Http/Controllers/ArrayValidationController.php), create two methods: index for showing the form and store for handling the form submission.

public function index()
{
    return view('array-validation');
}

public function store(Request $request)
{
    $request->validate([
        'data' => 'required|array',
        'data.*' => 'numeric',
    ]);
}

Laravel Validation Array Min:

'data' => 'array|min:3'

Laravel Validation Array Between:

'data' => 'array|between:3,10'

 

Create a Blade view for the form. In resources/views/array-validation.blade.php, add a form that allows users to enter an array of data.

@extends('layouts.app')

@section('content')
    <form method="post" action="/array-validation">
        @csrf

        <label for="data">Enter an array of numbers (comma-separated):</label>
        <input type="text" name="data" id="data">

        <button type="submit">Submit</button>
    </form>
@endsection

 

If the validation fails, Laravel will automatically redirect back to the form view and display validation errors. To display these errors, add the following code to your Blade view.

@if ($errors->any())
    <div class="alert alert-danger">
        <ul>
            @foreach ($errors->all() as $error)
                <li>{{ $error }}</li>
            @endforeach
        </ul>
    </div>
@endif

This code will display any validation errors in an alert message.

 

With everything set up, run your Laravel 10 application.

php artisan serve

You've now successfully created a Laravel 10 project with array input validation! This can be particularly useful when dealing with forms that accept arrays of data, such as tags, multiple choices, or lists.

 

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You might also like:

• Read Also: How To Validate Form in React JS
• Read Also: How to Create Modal in Laravel 10 Livewire
• Read Also: How to Validate Form using Validate.js in Laravel 10
• Read Also: How To Create CRUD Operation In Laravel 10 Livewire

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