Modernizing Legacy Applications in PHP

What Hacker News says

1. pmjonesDec 2022
   It's PHP, but my book [Modernizing Legacy Applications in PHP](https://leanpub.com/mlaphp) may help -- deals with code improvement, especially the organization of that code. The examples are taken from a real codebase, though the names have been changed to protect the guilty. The book is still free, so nothing lost if it's not what you're looking for.

   Good luck!

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2. elviejoSep 2022
   First read the book: Modernizing Legacy Applications In PHP Get your code under control in a series of small, specific steps By Paul M Jones https://leanpub.com/mlaphp
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3. thunderrabbitOct 2020
   While not free, Paul M Jones book Modernizing Legacy Applications in PHP has really helped me get control of a large old codebase.

   https://leanpub.com/mlaphp

   It gives examples and goes bit by bit through the process of organizing code.

   I'm using its suggestions along with a static checker called Phan, which I chose because it attempts to "prove incorrectness rather than correctness."

   https://github.com/phan/phan

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4. francislavoieOct 2020
   There's also "Modernizing Legacy Applications in PHP": https://leanpub.com/mlaphp (but leanpub seems to be down right now lol)
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5. carbocationDec 2017
   I've worked with Paul Jones in the past and he has actually modernized one of my own legacy PHP codebases. He wrote down his experiences and advice in "Modernizing Legacy Applications in PHP": https://leanpub.com/mlaphp

   It might be worth your time. (Edit: noir_lord also recommended the same book in this thread.)

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6. nicks451Oct 2014
   Are you already using a framework? If so which one? If not, I would check out the book Modernizing Legacy Applications In PHP by Paul M. Jones http://bit.ly/1FQjpby
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