KCFinder -浏览器.php下载而不是显示页面

我已经将最新版本的KCFinder集成到CKEditor中-每当我点击CKEditor工具栏上的'Browse Server'按钮时，它都会打开KCFinder对话框并下载' browser .php'文件，而不是显示目录的内容。

这几乎是由于某种原因，PHP引擎暂时停止工作-我没有修改任何htaccess文件。

我目前正在使用kcfinder目录内的标准config.php -有人知道可能导致这种情况以及如何修复它吗?

//kcfinder/config。

$_CONFIG = array(
'disabled' => true,
'denyZipDownload' => false,
'denyUpdateCheck' => false,
'denyExtensionRename' => false,
'theme' => "oxygen",
'uploadURL' => "",
'uploadDir' => "",
'dirPerms' => 0755,
'filePerms' => 0644,
'access' => array(
    'files' => array(
        'upload' => true,
        'delete' => true,
        'copy' => true,
        'move' => true,
        'rename' => true
    ),
    'dirs' => array(
        'create' => true,
        'delete' => true,
        'rename' => true
    )
),
'deniedExts' => "exe com msi bat php phps phtml php3 php4 cgi pl",
'types' => array(
    // CKEditor & FCKEditor types
    'files'   =>  "",
    'flash'   =>  "swf",
    'images'  =>  "*img",
    // TinyMCE types
    'file'    =>  "",
    'media'   =>  "swf flv avi mpg mpeg qt mov wmv asf rm",
    'image'   =>  "*img",
),
'filenameChangeChars' => array(/*
    ' ' => "_",
    ':' => "."
*/),
'dirnameChangeChars' => array(/*
    ' ' => "_",
    ':' => "."
*/),
'mime_magic' => "",
'maxImageWidth' => 0,
'maxImageHeight' => 0,
'thumbWidth' => 100,
'thumbHeight' => 100,
'thumbsDir' => ".thumbs",
'jpegQuality' => 90,
'cookieDomain' => "",
'cookiePath' => "",
'cookiePrefix' => 'KCFINDER_',
// THE FOLLOWING SETTINGS CANNOT BE OVERRIDED WITH SESSION CONFIGURATION
'_check4htaccess' => true,
//'_tinyMCEPath' => "/tiny_mce",
'_sessionVar' => &$_SESSION['KCFINDER'],
//'_sessionLifetime' => 30,
//'_sessionDir' => "/full/directory/path",
//'_sessionDomain' => ".mysite.com",
//'_sessionPath' => "/my/path",

);

?>