Hello my name is "if"
summary
Shows concrete PHP details: inspects generated OP Codes for if/else/ternary/??, explains how conditionals map to jumps, and why cyclomatic complexity matters. Walks through refactoring the Gilded Rose kata with tests, guard clauses, factory/strategy and small objects, tracking CRAP rating and complexity from 23 up into the 50s during work then down to ~7 — a ~75% reduction — and how that lets tests and future changes be simpler. Includes a Boolean-wrapper experiment replacing conditionals.
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chapters (6)
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