Why does this PHP switch fall through to wrong case?

Why does this PHP switch fall through to wrong case in a router. The PHP code omits break so execution falls through. In PHP routing this triggers multiple handlers and corrupts state.

#whatswrongwiththisphpcode #phpbug #phpproductionbug #phpdebugging #phpbackend #phpcodereview #phpsecurity #phpperformance #phpreliability #phpapi #phpwebdevelopment #phpengineering #phpswitch #phpfallthrough #ph...

https://www.youtube.com/watch?v=pWwVgt8nFEM

Why does this PHP switch fall through to wrong case? #phpbreak

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