Mastering PHP Switch: How to Handle Multiple Conditions for a Single Case

Have you ever tried to match multiple conditions in a single `switch` branch using syntax like `case 'a'|'b':` in PHP? This is a common pitfall. This article dives into why that approach doesn't work and provides three correct and efficient solutions. We'll cover the classic fall-through technique, the modern `match` expression in PHP 8+, and the flexible `if`/`in_array` combination to help you write cleaner, more professional PHP code.