Laracon 2024 Amsterdam Rector demo

A small introduction to Rector 0.19.7 - released during Laracon :)

It requires PHP 7.2 as the lowest version to run. 8.0 and 8.1 to test all the features demoed on the stage.

Usage

Fork this repository, clone locally and then install dependencies:

composer update

List of examples

1. Upgrade PHP

   • based on composer.json
   • go one version at a time
   • control version in the withPhpSets()
   • promoted properties
   • readonly classes

2. Type coverage

   • Add return types
   • Add property types based on constructor
   • Show withTypeCoverageLevel() (coming soon)

3. Dead code removal

   • Remove unused properties
   • Show withDeadCodeLevel() (coming soon)

4. Create a custom Rector rule

   • Create a rule
   • Hook into a FuncCall node
   • Rename the function

5. Make use of Laravel extension package

   • See https://github.com/driftingly/rector-laravel/

composer require driftingly/rector-laravel --dev

6. Bonus: Laravel types
   • Clone laravel framework and run type coverage level there :)

Resources

• Laravel package for Rector: https://github.com/driftingly/rector-laravel/
• Rector book to learn fast: https://leanpub.com/rector-the-power-of-automated-refactoring (updated 2024-02 as well)

People around Rector & Laravel to follow

• Laravel package for Rector maintainer - https://twitter.com/driftingly
• Peter - active and relentless Rector rules contributor - https://twitter.com/slyfirefox