Installation and Configuration Symfony Framework

Last Updated : 12 Jul, 2025

Symfony is an open-source PHP web application framework with MVC architecture. It is a set of reusable PHP components/libraries. It is basically designed for developers who need an elegant and simple toolkit to create web applications and is the most popular application frameworks among the open-source developer's community. It is used to build high-performance complex web applications. Prerequisites:

PHP installation on windows.
Environment setup to run the project.
Composer software to create symfony project: https://getcomposer.org/download/
Symfony software download: https://symfony.com/download

Installation:

Step 1: Go to xampp root folder and open htdocs folder there. Type "cmd" (without inverted commas) in the address bar(shown below) and hit enter.
Step 2: Enter the following command in the command prompt.
```
composer create-project symfony/skeleton project_1
```
In my case the name of project is project_1, you may take any name of your choice.
If you see something like this then your project is created successfully.
Step 3: Start your xampp server and goto localhost/project_1/public. If you see something like this then your project is created successfully.

First Project: Here we will create a Hello World page in three steps.

Step 1: Create a new file named "HelloController.php" in src/Controller/ folder and write the following code in that file.

php

<?php
namespace App\Controller;
use Symfony\Component\HttpFoundation\Response;
class HelloController
{
    public function hello()
    {
        return new Response(
            'Hello World'
        );
    }
}

Step 2: Open config/routes.yaml file and write the following code in that file.
html
app_hello: path: / controller: App\Controller\HelloController::hello
Step 3: Goto localhost/project_1/public. If you see something like this then you have successfully created hello world page.