douduonang3169 2011-08-31 10:46
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PHP何时何时不在用户定义的函数内使用return语句

I was wondering if a user defined function will always needs a return() statement and if not when is a return() statement not required?

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  • duanguochong0397 2011-08-31 10:47
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    It doesn't. It's only required if you want to use it.

    From http://www.php.net/manual/en/functions.returning-values.php:

    Values are returned by using the optional return statement.

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