Symfony migration 2.8 to 3.4

Upgrading your Symfony application is the most crucial mission you can’t avoid. The difficulty of this job may differ from project to another depending on the way it’s created and also the project volume .

For the actual case , it’s about upgrading a symfony api , which means that some part of migration are not mentioned in this guide like the Forms , but don’t worry , I will leave you the link of a repot that covers this part .

It’s clearly evident that following the technical guide will not resolve all your bugs when upgrading. But in general , it cover the most basic principal actions you have to do .

In case your code crash in some parts , you need first to verify if it’s about your business logic which cause the bug. If true , you need to change the manner which your code is implemented .If not , you have to DIG and DIG.

Here is the link to to technical guide and The Other guide that cover the forms migration. Please feel free to contribute in order to cover more and more .

I would appreciate your feedbacks.

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