switch中的条件 来判断执行哪一个 case ,其他的都不执行吗？

Answer 1

The conditions in the switch are used to determine which case to execute, and the others are not executed? -PHP Chinese website Q&A-The conditions in switch are used to determine which case to execute, and the others are not executed? -PHP Chinese website Q&A

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Answer 2

如果我们没有break语句,程序会一步一步执行到最后，遇到break，则不往下执行,没有符合条件，我们执行default语句,