<?php
$bukafki = 'QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdghjklzxcvbnm123456789';
$symbols = 10;
echo substr(str_shuffle($bukafki),0, $symbols);
?>
<?php
$bukafki = 'QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdghjklzxcvbnm123456789';
$symbols = 10;
echo substr(str_shuffle($bukafki),0, $symbols);
?>