Laravel 9 Work with Exception Handling Example Tutorial

Inside this article we will see the concept i.e Laravel 9 work with exception handling. Article contains the classified information about exception handling in laravel 9. Article is super easy to understand.

An exception is an object that describes an error or unexpected behaviour of a PHP script. Exceptions are thrown by many PHP functions and classes. User defined functions and classes can also throw exceptions.

We will use the exact same concept to handle exception in laravel as same as PHP. In PHP we have an Exception class which provides methods to get error message or exceptions including error code, etc. We implement this exception concept inside try catch block of PHP.

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Let’s get started.

Laravel Installation

Open terminal and run this command to create a laravel project.

composer create-project laravel/laravel myblog

It will create a project folder with name myblog inside your local system.

To start the development server of laravel –

php artisan serve

URL: http://127.0.0.1:8000

Assuming laravel already installed inside your system.

Exception Try Catch Block

We have a special syntax in PHP to write try catch block to handle exceptions.

try {

  /* Write Your Code Here */

} catch (Exception $e) {

    return $e->getMessage();
}

In try{} block we write those sections of code which seems to give any kind of exception. To handle those exceptions which generates try{} block handled by catch{} block.

Try Block

The try block contains the code that may potentially throw an exception. All of the code within the try block is executed until an exception is potentially thrown. Throw: The throw keyword is used to signal the occurrence of a PHP exception.

Catch Block

 A “catch” block retrieves an exception and creates an object containing the exception information.

Laravel Handle Exception

We will consider a small program where we write a code inside any of your controller. That code will have some kind of exceptions.

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\User;
use Exception;

class HomeController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        try {
            $user = User::find($input['id']);
        } catch (Exception $e) {

            $message = $e->getMessage();
            var_dump('Exception Message: ' . $message);

            $code = $e->getCode();
            var_dump('Exception Code: ' . $code);

            $string = $e->__toString();
            var_dump('Exception String: ' . $string);

            exit;
        }

        return response()->json($user);
    }
}

When we execute this code via route.

It will give exception messages.

We hope this article helped you to Laravel 9 Work with Exception Handling Example Tutorial in a very detailed way.

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