Generting random (alphanumeric) string in PHP

Question

Possible Duplicate:
Generating (pseudo)random alpha-numeric strings

How to genearte random string in PHP? Numbers are not a problem, but how to deal with letters efficiently?

Answer 1

You might be best of using the normal random function in combination with chr From the php manual comments: http://php.net/manual/en/function.chr.php

<?php
for($i=0; $i<7; $i++){
    $random_string .= chr(rand(0,25)+65);
}
echo $random_string;
?>