Upgrade to Symfony4 and Flex!

Symfony 4! Flex! Autowiring! Buzzwords!

Symfony 4 comes with a whole new way of developing your apps: faster and more flexible than ever. But how can you upgrade a Symfony 3 app to Symfony 4? And how can you leverage Symfony Flex if you have an existing project? In this tutorial, we'll cover:

• Upgrading to Symfony 3.4
• Fixing deprecations & the continuous upgrade path
• Updating to the Symfony Flex directory structure
• Moving onto Symfony 4

There's no reason to get left behind. Let's go!

• Upgrade to Symfony 3.4
• Autowiring & Service Deprecations
• Upgrade to Symfony 4.0
• Installing Flex
• The Flex composer.json File
• Your Flex Project is Alive!
• Migrating framework Config
• Finishing framework Config
• Migrating Services & Security
• Final config/ Migration
• Hello Flex: Moving Final Files
• The Server & New IsGranted
• Bye Bye AppBundle
• Flex Extras