How to get random values from array in php

The method used to randomly obtain values from PHP arrays: array_rand()

##From the array Takes one or more random cells and returns one or more keys of the random entries.

But it uses a pseudo-random number generation algorithm, so it is not suitable for cryptography scenarios.(Recommended learning:PHP video tutorial)

Use array_rand() to randomly select units from the array

Print a random unit

Save and view the result

Other notes:

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