Get an array of random keys in PHP
Description
The following code shows how to get an array of random keys.
Example
/*from ww w. ja v a 2s .co m*/
<?php
$a=array("red","green","blue","yellow","brown");
$random_keys=array_rand($a,3);
echo $a[$random_keys[0]]."<br>";
echo $a[$random_keys[1]]."<br>";
echo $a[$random_keys[2]];
?>
The code above generates the following result.
