rduarte

<?php
function base62_encode($num){
    $chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $base = 62;
    $result = '';

    while($num >= $base) {
        $r = $num%$base;
        $result = $chars[$r].$result;
        $num = $num/$base;