phpdoubts : Image Display Randomly Using rand function

Image Display Randomly Using rand function

<html>

<body>

<?php

srand ( microtime( ) * 100000 );

$num=rand ( 1 ,6 );

switch ( $num )

{

case 1 : $image_file ="/mahesh/1.jpg";

break;

case 2 : $image_file = "/mahesh/2.jpg";

break;

case 3 : $image_file = "/mahesh/3.jpg ";

break;

case 4 : $image_file = "/mahesh/4.jpg ";

break;

case 5 : $image_file = "/mahesh/5.jpg ";

break;

case 6 : $image_file = "/mahesh/6.jpg ";

break;

}

echo " Random Image :<img src=$image_file />"

</body>

</html>