g5_url 은 어떻게 정의 되나요? 채택완료

</p><p> </p><p>function g5_path()
{
    $result['path'] = str_replace('\\', '/', dirname(__FILE__));
    $tilde_remove = preg_replace('/^\/\~[^\/]+(.*)$/', '$1', $_SERVER['SCRIPT_NAME']);
    $document_root = str_replace($tilde_remove, '', $_SERVER['SCRIPT_FILENAME']);
    $root = str_replace($document_root, '', $result['path']);
    $port = $_SERVER['SERVER_PORT'] != 80 ? ':'.$_SERVER['SERVER_PORT'] : '';
    $http = 'http' . ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']=='on') ? 's' : '') . '://';
    $user = str_replace(str_replace($document_root, '', $_SERVER['SCRIPT_FILENAME']), '', $_SERVER['SCRIPT_NAME']);
    $host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME'];
    if(isset($_SERVER['HTTP_HOST']) && preg_match('/:[0-9]+$/', $host))
        $host = preg_replace('/:[0-9]+$/', '', $host);
    $host = preg_replace("/[\<\>\'\"<a>\\\'\\\"\%\=\(\)\/\^\*]/</a>", '', $host);
    $result['url'] = $http.$host.$port.$user.$root;
    return $result;
}</p><p>$g5_path = g5_path();</p><p> </p><p>