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PHP的sizeof和count有什么区别

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Release： 2016-06-06 20:51:34
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我看到很多代码里，计算数组大小的时候有人用count，有人用sizeof，这两个函数有什么区别？
功能上和性能上

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我看到很多代码里，计算数组大小的时候有人用count，有人用sizeof，这两个函数有什么区别？
功能上和性能上

无区别，手册上是这么说的

sizeof — Alias of count()

没有区别，sizeof是count的别名，所以你懂得：性能和功能都是一样的。。

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