Elevating Legacy: A Case Study on the migration from Laravel 4 to 9 - Dave Liddament

At some point of your career you’ll probably end up working on a majorly outdated version of a framework and prehistoric version of PHP. After months of whinging to the management that it really is time to upgrade, your wish is granted! You’ve got to take a creaking codebase to the future, or, at least the present. But how best to achieve this? This talk tells the story of upgrading a Laravel 4 project to Laravel 9. I’ll share the things we did well, and the lessons that we learnt along the way. Regardless of framework and versions, this talk gives practical advice for planning and executing a major upgrade.