Legacy

How to work with and improve legacy code.

PHP Upgrades

• Getting Started With PHP Upgrades
• Detect Compatibility Issues With phpco
• Should I Fix or Swap the Libraries?

Additional Resources

• 50-minute presentation "Rewriting Legacy Code" at The Legacy of SoCraTes 2020.
• Podcast: How Every Decision Introduces Technical Debt on Maintainable with Robby Russel
• Podcast: Working On Legacy Code on How To Code Well with Peter Fisher.
• Article: Code is Cheap, Knowledge is Expensive
• Article: The Fate of the Legacy PHP Documentation
• Article: Lessons Learned from Testing and Refactoring Legacy

Consulting Services

• Improve maintainability
• Upgrade PHP version
• Migrate framework