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This article mainly shows you "how to use the array_rand function in PHP to achieve random numbers", the content is easy to understand, clear, hope to help you solve your doubts, the following let Xiaobian lead you to study and learn "how to use the array_rand function to achieve random numbers in PHP" this article.

Array_rand function

Array_rand returns random key values in the array, a bit like the mt_rand () function, and the rest is nothing special, just flexible.

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