laravel 5 : Class 'input' not found
Stefan Izdrail
Founder & Senior Architect · 2026-06-29
Title: Laravel 5: Solving 'Class 'input' not found' Error in Routes.php
Body:
In your Laravel 5 application, you might have encountered a fatal error that reads "Class 'input' not found." This occurs when trying to access the 'input' class within your 'routes.php' file, which is likely responsible for handling form data submission from user input forms. To resolve this issue and ensure proper functionality of your registration process, let's analyze the problem and provide possible solutions.
Understanding the Problem
In Laravel 5, the 'input' class does not exist anymore. It was introduced in earlier Laravel versions to handle user input data from forms conveniently. However, with subsequent updates, this functionality has been replaced with a more efficient and modern approach. The error you experience is because the framework no longer supports the input class, and it requires you to use alternative methods for accessing form data.Solution 1: Accessing User Input Data Using Request Object
One of the most effective ways to handle user input forms in Laravel 5 is by using the request object. The 'Illuminate\Http\Request' class provides a more robust solution for managing form submissions and includes built-in functions to access data from an HTML form. Here's how you can modify your code to solve the issue:Route::post('/register', function (Request $request) {
$user = new \App\User;
$user->username = $request->input('username');
$user->email = $request->input('email');
$user->password = Hash::make($request->input('username'));
$user->designation = $request->input('designation');
$user->save();
});
Solution 2: Use Laravel Eloquent Models to Set Input Values
Another approach you can use is to set the user's input values directly from the model. In this case, your code would look like this:Route::post('/register', function (Request $request) {
$user = new \App\User;
$user->fill($request->all());
$user->save();
});
Both solutions are equally valid, and you should choose the one that feels more natural to you. However, it is essential to understand why the error occurred in the first place. The Laravel framework has evolved over time, resulting in changes such as the removal of the 'input' class. To avoid similar issues in the future, stay up-to-date with Laravel updates and make sure to use their latest features accordingly.
In conclusion, to address the "Class 'input' not found" error in your Laravel 5 application, you must adopt new techniques for handling user input data from forms. Utilizing either the request object or Eloquent models will ensure a reliable and efficient solution. Always keep up-to-date with framework updates to avoid encountering such issues in the future.