注意：未定义的索引：/home/webccans/public_html/index.php中的REDIRECT_URL

Question

我收到此错误：

  

通知：未定义的索引：/home/webccans/public_html/index.php中的REDIRECT_URL

我尝试了重定向，但它仍然有效。我需要帮助来尝试定义索引“ REDIRECT_URL”，以及相关的指针或建议。 显示页面，站点工作正常，但此错误在主页上

这是我的索引页上的代码

<?
include('application.php');
$header = false;

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

if (($request = trim($_SERVER['REDIRECT_URL'])) == '') {
    // Deal with direct requests
    $Page = (isset($_GET['Page'])) ? $_GET['Page'] : 1;
    $Page = $CMS->getPageContent($Page);
} else {
    // Deal with "friendly" URL 404 pages
    $pages = explode('/', $request);
    array_shift($pages);
    $page = array_pop($pages);
    if (($pos = strpos($page, '.')) === false) {
        $ext = '';
    } else {
        $ext = substr($page, strpos($page, '.'));
        if ($pos = strpos($ext, '?')) $ext = substr($ext, 0, $pos);
    }
    if ($page == '') {
        // have a CMS page or the home page
    } else if ($ext == '.htm' || $ext == '.html' || $ext == '.php') {
        $PageURL = substr($page, 0, strlen($ext) * -1);
        if ($PageURL != "index") {
            // Possible have a CMS page
            array_push($pages, $PageURL);
        }
    } else if ($ext == '') {
        // have a CMS page
        array_push($pages, $page);
    } else {
        $CMS->show404Page();
        $header = true;
    }
    if (($numPages = count($pages)) > 0) {
        // Get PageID
        $select = 'SELECT ';
        $from = ' FROM site_content AS page0 LEFT JOIN site_content AS 
   page ON (page0.ParentID = page.PageID) ';
        $where = ' WHERE (page0.ParentID = 0 OR page.Display = 0) ';
        for ($idx = 0; $idx < $numPages; ++$idx) {
            $where .= ' AND ';
            if ($idx > 0) {
                $select .= ', ';
                $from .= ' JOIN site_content AS page' . $idx . ' ON (page' 
 . ($idx - 1) . '.PageID = page' . $idx . '.ParentID)';
            }
            $select .= 'page' . $idx . '.PageID ';
            $where .= 'page' . $idx . '.PageURL = "' . $DB- 
    >escape(strtolower($pages[$idx])) . '"';
            #$select1 = 'page' . $idx . '.PageID ';
        }
        $qid = $DB->query($select . $from . $where);

        if ($row = $DB->fetchRow($qid)) {
            $PageID = $row[$numPages - 1];
            $OpenedPages = $row;
            #print_r ($row);
        }
        else {
            $CMS->show404Page();
            $header = true;
        }

    } else {
        $PageID = 1;
    }
    $Page = $CMS->getPageContent($PageID);

    #echo '<script language="javascript">' . 'alert("' . $PageID . '")' 
 . 
 '</script>';
    #echo '<script language="javascript">' . 'alert("' . $ParentId . '")' 
   . '</script>';
}

$TopPage = $CMS->getTopParent($Page->PageID);
if (!$header) header('HTTP/1.1 200 OK');
?>