Why did I delete $i++. and get 502 directly?

Question

Why did I delete $i++. and change it back to 502. Refresh didn’t work. It’s still 502. (⊙o⊙)... I can only restore it by restarting ps or phpstudy. My head hurts.

王林 · Answer

Can I see your code?

##

.Y x。 · Answer

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