What does array_rand() function in php.?

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 of array_rand() function:

array_rand(array,number)

According to above syntax, there are two main Parameter of array_rand() 1- Array(this is used for specifing an array) 2- Number(Designates how many desultory keys to return)

You can see below example of array_rand() function in php.

<?php
//here ColorName is a variable
$ColorName=array("red","purple","blue","yellow","pink");
//here call array_rand() function
$result_;keys=array_rand($ColorName,4);

echo $ColorName[$result_keys[0]]."<br>";
echo $ColorName[$result_keys[1]]."<br>";
echo $ColorName[$result_keys[2]]."<br>";
echo $ColorName[$result_keys[3]];

?>

Output of above code will be as following:-

red
purple
blue
yellow