How to Start Local Server with Symfony 5 or Downgrade Version to 4.4

How to start local server with symfony 5 or downgrade version to 4.4?

The Web Server Bundle is not included with Symfony 5.

But you can simply require it and install it separately.

E.g.:

composer require symfony/web-server-bundle 4.4

It is important that you specify the version (4.4), because otherwise it will attempt to install version 5 (which does not exist, and it will fail).

After that you'll be able to run bin/console server:run as you used to do.

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Otherwise, you may use the Symfony CLI as well. This is an executable binary which includes the Symfony Server by default. Then you may run symfony server:start or the better know alias symfony serve to start the local webserver.

Read more about Symfony's server here.

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You can also use the built-in web server in the PHP runtime. Just go to your project's root directory and run:

php -S localhost:8000 -t public/

It's not a fully featured webserver, but for developing purposes it is usually more than enough.

Symfony - Downgrade Minor Version

You can edit just one line in your composer.json:

"require": {
    ...
    "symfony/symfony": "2.8.*, !=2.8.10",
    ...

This way, you tell Composer to avoid that specific version. All other dependencies will be retrieved automatically.

Important: you have to remove your composer.lock file first, as Composer will complain that you're locked to the very same version you're trying to avoid.

Disclaimer: backup and test first. I tested on a base Symfony install, not sure if other package will complain.

Running 2 Symfony projects with different php versions

You can select the php version for the project with

echo 7.4.10 > .php-version

When you create the .php-version for each project you can run the server as you run it usually and everything works fine

Also, when I use 7.4.10 locally, I have to use my commands like this

symfony php bin/console make:migration

with symfony before php bin/console

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