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为什么此段PHP foreach 时打印的值是这样？

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Release： 2016-06-06 20:11:52
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为什么此段PHP foreach 时打印的值是这样？

输出分别为2,2,2

好像既没有发生写时复制也没有发生强制分裂吧？
求解惑
PHP版本5.6

回复内容：

为什么此段PHP foreach 时打印的值是这样？

输出分别为2,2,2

好像既没有发生写时复制也没有发生强制分裂吧？
求解惑
PHP版本5.6

深入探讨php的foreach
https://segmentfault.com/a/1190000004340...

foreach循环时调用current等函数
https://segmentfault.com/a/1190000004340...

current是引用传参

这个涉及到指针和源码的结构体属性了，建议你去看下这个文章：关于current和遍历导致的问题

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