Generating a random numbers and letters

Question

Can I ask for a certain code on how to generate a random letters and numbers in one word. I know there\'s a PHP function rand(), but I don\'t know if it\'s also applicable w

Answer 1

This was an easy way for me- this generates a 15 character string -

        $alph = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
        $code='';

        for($i=0;$i<15;$i++){
           $code .= $alph[rand(0, 35)];
        }