Title: Hello HN: I got offered my first consultant job for a company with a really old&amp;bad (no documentation, spaghetti, monolithic...) PHP codebase. Most parts of the codebase is working fine in production but some parts have to be replaced. Can you recommend any good books&#x2F;papers&#x2F;websites on how to get started? i don&#x27;t need language-specific material.
i need methodic&#x2F;abstract advise.
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