Definition
The array_rand() function returns a random key from an array, or it returns an array of random keys if you specify that the function should return more than one key.
Syntax
array_rand(array, number)
Parameters
| Parameter | Description |
|---|---|
array |
Required. Specifies an array. |
number |
Optional. Specifies how many random keys to return. |
Example
<?php
// Example 1
$cities = array("New York", "Salt Lake", "Tokyo");
$rand_keys = array_rand($cities,2);
print_r($rand_keys);
echo "<br>";
// Example 2
$ages = array("Mark" => 22, "Jeff" => 32, "Mike" => 28);
$rand_keys = array_rand($ages,2);
print_r($rand_keys);
echo "<br>";