- mt_rand: documentation ( source)
<?php
for($i=0; $i<100; $i++)
{
$os1 = mt_rand(5, 6); /* Random major Windows version */
$os2 = mt_rand(0, 2); /* Random minor Windows version */
$ua = mt_rand(17, 22); /* Random major Firefox version */
echo "Mozilla/5.0 (Windows NT {$os1}.{$os2}; rv:{$ua}.0) Gecko/20100101 Firefox/{$ua}.0 <br/>";
}
?>