array_rand()

array_rand - Pick one or more random entries out of an array

Syntax

mixed array_rand (array $input, int $num_req)

Arguments

• input - The input array.
• num_req - Specifies how many entries you want to pick.

Description

array_rand() is rather useful when you want to pick one or more random entries out of an array.

Version

PHP 4, 5

Return value

If you are picking only one entry, array_rand() returns the key for a random entry. Otherwise, it returns an array of keys for the random entries. This is done so that you can pick random keys as well as values out of the array.