Avoid Costly Framework Upgrades | Anna Filina
If your framework version was no longer supported, how much effort would it take to swap it for another? Does it look like you might need to rewrite your entire application? You can write your code in a way that will make the inevitable framework swap a piece of cake, instead of a 12-month sustained effort. Learn from the experience of dozens of framework swaps, some easier than others.
https://phpconference.com/software-ar...
International PHP Conference Berlin
https://phpconference.com/berlin-en/
International PHP Conference Munich
https://phpconference.com/munich/
International PHP Conference Blog:
https://phpconference.com/blog/