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A comment on PHP 8: Before and After. Parent comment

Re:PHP 8: Before and After by AdrianB1 on Friday October 23, 2020 @04:35AM (#24867214)
All good advice for the average PHP developer, but I think it is overkill for someone that is starting with PHP just to keep alive a very old app.

Adding tests for an app with no documentation requires a lot of effort.

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Re:PHP 8: Before and After by dkarlovi on Friday October 23, 2020 @04:37AM (#24867227)
Of course, that's why the list is sorted, he might never make it pass 1 :)
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Re:PHP 8: Before and After by tpetry on Friday October 23, 2020 @05:44AM (#24867618)
Yes. Upgrading really old php application (v4? really?) to v8 is such a big step it will need much dedication, so many things changed between 4 and 5 its not easy. And even upgrading 5 to 7 may break so many things. I would not like to switch with him.
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Re:PHP 8: Before and After by mgkimsal on Friday October 23, 2020 @09:04AM (#24869038)
> Adding tests for an app with no documentation requires a lot of effort.

code tests yes. Assuming it's a web app, probably not too hard. Get something that records the browser interactions, and do the common tasks people do (log in, click links, make a report, etc). Having general things like that automated to ensure you can run them repeatedly to make sure basic stuff didn't break unexpectedly will help provide some confidence when making changes.

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