Installation and Configuration Symfony Framework

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
  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.

  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.