Installing the Web Server Bundle

First, execute this command:

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$ cd your-project/
$ composer require --dev symfony/web-server-bundle

Then, enable the bundle in the kernel of the application:

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// app/AppKernel.php
class AppKernel extends Kernel
{
    public function registerBundles()
    {
        $bundles = [
            // ...
        ];

        if ('dev' === $this->getEnvironment()) {
            // ...
            $bundles[] = new Symfony\Bundle\WebServerBundle\WebServerBundle();
        }

        // ...
    }

    // ...
}

Starting the Web Server

Running a Symfony application using PHP's built-in web server is as easy as executing the server:start command:

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$ php bin/console server:start

This starts the web server at localhost:8000 in the background that serves your Symfony application.

By default, the web server listens on port 8000 on the loopback device. You can change the socket passing an IP address and a port as a command-line argument:

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# passing a specific IP and port
$ php bin/console server:start 192.168.0.1:8080

# passing '*' as the IP means to use 0.0.0.0 (i.e. any local IP address)
$ php bin/console server:start *:8080

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$ php bin/console server:status

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$ php bin/console server:start 0.0.0.0:8000

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$ php bin/console server:start --router=app/config/my_router.php

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$ php bin/console server:start --docroot=public_html

Stopping the Server

When you finish your work, you can stop the web server with the following command:

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$ php bin/console server:stop