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返回值设计的有关问题

WBOY
Release： 2016-06-13 12:43:22
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返回值设计的问题
问一下简单的问题
如果设计一个函数

操作失败 大家习惯返回 0 还是 false 还是 -1？

我习惯返回 -1

只是觉得好判定 
不过不知道具体哪个更好点

Related labels：
code false lt nbsp true
source：php.cn
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