Online PHP editor | refs for r1OXS

@ 2013-12-11T14:43:57Z

<?php
echo shortenb64(2773545392);


function shortenb64($id, $alphabet=base64alphabet)
{
    $base = strlen($alphabet);
    $short = '';
    while($id) {
        $id = round(($id-($r=$id%$base))/$base);     
        $short = $alphabet{$r} . $short;
    }
    return $short;
}