how to get random number array in php code example

Example 1: php get random element from array

<?php
//array_rand ( array $array [, int $num = 1 ] ) 
$input = array("Neo", "Morpheus", "Trinity", "Cypher", "Tank");
$rand_keys = array_rand($input, 2);
echo $input[$rand_keys[0]] . "\n";
echo $input[$rand_keys[1]] . "\n";
?>

Example 2: php get random value from array

$colors=["red","blue","green","orange"];
echo $colors[array_rand($colors)];//green (or any color randomly)