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怎样获得数组中某一个指定数据所在的位置？多谢

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Release： 2016-06-13 12:34:13
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怎样获得数组中某一个指定数据所在的位置？谢谢
我有一组数据，里边的每个元素数据是固定的，但是数据的位置是变化的。我用哪个函数可以获取其中某个元素的位置？
比如：[lili,mali,xiaoli,liuli,zhangli,wangli,luli]
我怎样获得wangli在数组中所处的位置？现在是5，取得这个数字即可。谢谢。

数组 php基础函数
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