php生成随机数rn = 0.41441782722922393

Question

I want to generate new random number like 0.4144178272292239 for sending the number along with request to server. But I do not how to generate this number by php to send the number with the request like "include/classes/modules/search.inc.php?rn=0.41441782722922393".

So could you please advice me too?

Answer 1

$num = rand();
$num = $num / 10 ** strlen($num);
echo $num;

Outputs:

0.220578263