dmesg

<?php
function gen_pw($lenght){
        $alphabet    = range('a','z');
        $up_alphabet = range('A','Z');
        $digits      = range('1','9');
 
        $full_array  = array_merge($alphabet,$up_alphabet,$digits);
        $password    = '';
 
        for($i='0'; $i < $lenght; $i++){
                $entrie    = array_rand($full_array);
                $password .= $full_array[$entrie];
 
        }
        return $password;
}
$pw = gen_pw('8');
echo $pw;
?>