How to automatically upgrade Yii1 to Yii2 online store?

Question

PHP

There is a site ( https://greemvas.ru/category/infrakrasnie-obogreva... ) that runs on Yii1. There was a need to update the version of Yii to Yii2, as well as PHP, it works on the old version of PHP. Which plugin, module, solution is best to cope with this task and the most painless, because just when updating the PHP version, we encountered a bunch of errors.

Answer 1

It will not come out completely automatically, in the general case:
https://habr.com/ru/post/417677/
https://www.yiiframework.com/doc/guide/2.0/en/intr...
PS: and the link to Remove the site from the question. It will not help in any way in resolving the issue, but the thought appears that you are spamming.