<?php
function get_uri()
{
    if (ereg('IIS', $_SERVER['SERVER_SOFTWARE']) && isset($_SERVER['SCRIPT_NAME'])) {
        $REQUEST_URI = $_SERVER['SCRIPT_NAME'];
        if (isset($_SERVER['QUERY_STRING'])) {
            $REQUEST_URI .= '?'.$_SERVER['QUERY_STRING'];
        }
    } else {
        $REQUEST_URI = $_SERVER['REQUEST_URI'];
    }
    # firefox encodes url by default but others don't
    $REQUEST_URI = urldecode($REQUEST_URI);
    # encode the url " %22 and <> %3C%3E
    $REQUEST_URI = str_replace('"', '%22', $REQUEST_URI);
    $REQUEST_URI = preg_replace('#([\x3C\x3E])#e', '"%".bin2hex(\'\\1\')', $REQUEST_URI);
    $REQUEST_URI = substr($REQUEST_URI, 0, strlen($REQUEST_URI)-strlen(stristr($REQUEST_URI, '&CMSSESSID')));
    return $REQUEST_URI;
}