✓ PlayStation Classic or C64 Mini for free
✓ Save up to € 315
✓ Group discount
✓ PlayStation Classic oder C64 Mini gratis
✓ Bis zu 315 € sparen
✓ See you in 2022!
✓ Bis 2022!
15:00 - 15:45
Your application runs on an old PHP version that is about to go out of support. How to upgrade without breaking the application? You will need the right tools for detecting and fixing those issues, as well as a way to verify that the application is still working correctly. In this presentation, I will share the strategy that I employed when upgrading millions of lines of untested code.