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为什么此段PHP foreach 时打印的值是这样？ (2)

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Release： 2016-06-06 20:11:49
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为什么此段PHP foreach 时打印的值是这样？ (2)

输出为int(1) int(1) int(1)
为何？求解谢谢

这个问题已被关闭，原因：与已有问题重复

回复内容：

为什么此段PHP foreach 时打印的值是这样？ (2)

输出为int(1) int(1) int(1)
为何？求解谢谢

foreach每次循环创建一个新的变量保存当前原始，并未改变$a的实际下标

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