我对 PHP 比较陌生，并且在阅读了以前对这个问题的答案后，我完全感到困惑..
我最近将一个旧网站移到了一个新的服务器主机上，并且在尝试加载我得到的页面时
PHP Fatal error: Class 'database' not found in /home4/courseso/public_html/plugins/system/legacy.php on line 147
我对这意味着什么或指的是什么感到非常困惑，我在页面上看到的只是一个空白的白色背景，就是这样...... legacy.php 文件如下。
<?php
/**
* @version $Id: legacy.php 11299 2008-11-22 01:40:44Z ian $
* @package Joomla
* @copyright Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
jimport( 'joomla.plugin.plugin' );
/**
* Joomla! Debug plugin
*
* @package Joomla
* @subpackage System
*/
class plgSystemLegacy extends JPlugin
{
/**
* Constructor
*
* For php4 compatability we must not use the __constructor as a constructor for plugins
* because func_get_args ( void ) returns a copy of all passed arguments NOT references.
* This causes problems with cross-referencing necessary for the observer design pattern.
*
* @param object $subject The object to observe
* @param array $config An array that holds the plugin configuration
* @since 1.0
*/
function plgSystemLegacy(& $subject, $config)
{
parent::__construct($subject, $config);
global $mainframe;
// Define the 1.0 legacy mode constant
define('_JLEGACY', '1.0');
// Set global configuration var for legacy mode
$config = &JFactory::getConfig();
$config->setValue('config.legacy', 0);
// Import library dependencies
require_once(dirname(__FILE__).DS.'legacy'.DS.'classes.php');
require_once(dirname(__FILE__).DS.'legacy'.DS.'functions.php');
// Register legacy classes for autoloading
JLoader::register('mosAdminMenus' , dirname(__FILE__).DS.'legacy'.DS.'adminmenus.php');
JLoader::register('mosCache' , dirname(__FILE__).DS.'legacy'.DS.'cache.php');
JLoader::register('mosCategory' , dirname(__FILE__).DS.'legacy'.DS.'category.php');
JLoader::register('mosCommonHTML' , dirname(__FILE__).DS.'legacy'.DS.'commonhtml.php');
JLoader::register('mosComponent' , dirname(__FILE__).DS.'legacy'.DS.'component.php');
JLoader::register('mosContent' , dirname(__FILE__).DS.'legacy'.DS.'content.php');
JLoader::register('mosDBTable' , dirname(__FILE__).DS.'legacy'.DS.'dbtable.php');
JLoader::register('mosHTML' , dirname(__FILE__).DS.'legacy'.DS.'html.php');
JLoader::register('mosInstaller' , dirname(__FILE__).DS.'legacy'.DS.'installer.php');
JLoader::register('mosMainFrame' , dirname(__FILE__).DS.'legacy'.DS.'mainframe.php');
JLoader::register('mosMambot' , dirname(__FILE__).DS.'legacy'.DS.'mambot.php');
JLoader::register('mosMambotHandler', dirname(__FILE__).DS.'legacy'.DS.'mambothandler.php');
JLoader::register('mosMenu' , dirname(__FILE__).DS.'legacy'.DS.'menu.php');
JLoader::register('mosMenuBar' , dirname(__FILE__).DS.'legacy'.DS.'menubar.php');
JLoader::register('mosModule' , dirname(__FILE__).DS.'legacy'.DS.'module.php');
//JLoader::register('mosPageNav' , dirname(__FILE__).DS.'legacy'.DS.'pagination.php');
JLoader::register('mosParameters' , dirname(__FILE__).DS.'legacy'.DS.'parameters.php');
JLoader::register('patFactory' , dirname(__FILE__).DS.'legacy'.DS.'patfactory.php');
JLoader::register('mosProfiler' , dirname(__FILE__).DS.'legacy'.DS.'profiler.php');
JLoader::register('mosSection' , dirname(__FILE__).DS.'legacy'.DS.'section.php');
JLoader::register('mosSession' , dirname(__FILE__).DS.'legacy'.DS.'session.php');
JLoader::register('mosToolbar' , dirname(__FILE__).DS.'legacy'.DS.'toolbar.php');
JLoader::register('mosUser' , dirname(__FILE__).DS.'legacy'.DS.'user.php');
// Register class for the database, depends on which db type has been selected for use
$dbtype = $config->getValue('config.dbtype', 'mysql');
JLoader::register('database' , dirname(__FILE__).DS.'legacy'.DS.$dbtype.'.php');
/**
* Legacy define, _ISO define not used anymore. All output is forced as utf-8.
* @deprecated As of version 1.5
*/
define('_ISO','charset=utf-8');
/**
* Legacy constant, use _JEXEC instead
* @deprecated As of version 1.5
*/
define( '_VALID_MOS', 1 );
/**
* Legacy constant, use _JEXEC instead
* @deprecated As of version 1.5
*/
define( '_MOS_MAMBO_INCLUDED', 1 );
/**
* Legacy constant, use DATE_FORMAT_LC instead
* @deprecated As of version 1.5
*/
DEFINE('_DATE_FORMAT_LC', JText::_('DATE_FORMAT_LC1') ); //Uses PHP's strftime Command Format
/**
* Legacy constant, use DATE_FORMAT_LC2 instead
* @deprecated As of version 1.5
*/
DEFINE('_DATE_FORMAT_LC2', JText::_('DATE_FORMAT_LC2'));
/**
* Legacy constant, use JFilterInput instead
* @deprecated As of version 1.5
*/
DEFINE( "_MOS_NOTRIM", 0x0001 );
/**
* Legacy constant, use JFilterInput instead
* @deprecated As of version 1.5
*/
DEFINE( "_MOS_ALLOWHTML", 0x0002 );
/**
* Legacy constant, use JFilterInput instead
* @deprecated As of version 1.5
*/
DEFINE( "_MOS_ALLOWRAW", 0x0004 );
/**
* Legacy global, use JVersion->getLongVersion() instead
* @name $_VERSION
* @deprecated As of version 1.5
*/
$GLOBALS['_VERSION'] = new JVersion();
$version = $GLOBALS['_VERSION']->getLongVersion();
/**
* Legacy global, use JFactory::getDBO() instead
* @name $database
* @deprecated As of version 1.5
*/
$conf =& JFactory::getConfig();
$GLOBALS['database'] = new database($conf->getValue('config.host'), $conf->getValue('config.user'), $conf->getValue('config.password'), $conf->getValue('config.db'), $conf->getValue('config.dbprefix'));
$GLOBALS['database']->debug($conf->getValue('config.debug'));
/**
* Legacy global, use JFactory::getUser() [JUser object] instead
* @name $my
* @deprecated As of version 1.5
*/
$user =& JFactory::getUser();
$GLOBALS['my'] = (object)$user->getProperties();
$GLOBALS['my']->gid = $user->get('aid', 0);
/**
* Insert configuration values into global scope (for backwards compatibility)
* @deprecated As of version 1.5
*/
$temp = new JConfig;
foreach (get_object_vars($temp) as $k => $v) {
$name = 'mosConfig_'.$k;
$GLOBALS[$name] = $v;
}
$GLOBALS['mosConfig_live_site'] = substr_replace(JURI::root(), '', -1, 1);
$GLOBALS['mosConfig_absolute_path'] = JPATH_SITE;
$GLOBALS['mosConfig_cachepath'] = JPATH_BASE.DS.'cache';
$GLOBALS['mosConfig_offset_user'] = 0;
$lang =& JFactory::getLanguage();
$GLOBALS['mosConfig_lang'] = $lang->getBackwardLang();
$config->setValue('config.live_site', $GLOBALS['mosConfig_live_site']);
$config->setValue('config.absolute_path', $GLOBALS['mosConfig_absolute_path']);
$config->setValue('config.lang', $GLOBALS['mosConfig_lang']);
/**
* Legacy global, use JFactory::getUser() instead
* @name $acl
* @deprecated As of version 1.5
*/
$acl =& JFactory::getACL();
// Legacy ACL's for backward compat
$acl->addACL( 'administration', 'edit', 'users', 'super administrator', 'components', 'all' );
$acl->addACL( 'administration', 'edit', 'users', 'administrator', 'components', 'all' );
$acl->addACL( 'administration', 'edit', 'users', 'super administrator', 'user properties', 'block_user' );
$acl->addACL( 'administration', 'manage', 'users', 'super administrator', 'components', 'com_users' );
$acl->addACL( 'administration', 'manage', 'users', 'administrator', 'components', 'com_users' );
$acl->addACL( 'administration', 'config', 'users', 'super administrator' );
//$acl->addACL( 'administration', 'config', 'users', 'administrator' );
$acl->addACL( 'action', 'add', 'users', 'author', 'content', 'all' );
$acl->addACL( 'action', 'add', 'users', 'editor', 'content', 'all' );
$acl->addACL( 'action', 'add', 'users', 'publisher', 'content', 'all' );
$acl->addACL( 'action', 'edit', 'users', 'author', 'content', 'own' );
$acl->addACL( 'action', 'edit', 'users', 'editor', 'content', 'all' );
$acl->addACL( 'action', 'edit', 'users', 'publisher', 'content', 'all' );
$acl->addACL( 'action', 'publish', 'users', 'publisher', 'content', 'all' );
$acl->addACL( 'action', 'add', 'users', 'manager', 'content', 'all' );
$acl->addACL( 'action', 'edit', 'users', 'manager', 'content', 'all' );
$acl->addACL( 'action', 'publish', 'users', 'manager', 'content', 'all' );
$acl->addACL( 'action', 'add', 'users', 'administrator', 'content', 'all' );
$acl->addACL( 'action', 'edit', 'users', 'administrator', 'content', 'all' );
$acl->addACL( 'action', 'publish', 'users', 'administrator', 'content', 'all' );
$acl->addACL( 'action', 'add', 'users', 'super administrator', 'content', 'all' );
$acl->addACL( 'action', 'edit', 'users', 'super administrator', 'content', 'all' );
$acl->addACL( 'action', 'publish', 'users', 'super administrator', 'content', 'all' );
$acl->addACL( 'com_syndicate', 'manage', 'users', 'super administrator' );
$acl->addACL( 'com_syndicate', 'manage', 'users', 'administrator' );
$acl->addACL( 'com_syndicate', 'manage', 'users', 'manager' );
$GLOBALS['acl'] =& $acl;
/**
* Legacy global
* @name $task
* @deprecated As of version 1.5
*/
$GLOBALS['task'] = JRequest::getString('task');
/**
* Load the site language file (the old way - to be deprecated)
* @deprecated As of version 1.5
*/
global $mosConfig_lang;
$mosConfig_lang = JFilterInput::clean($mosConfig_lang, 'cmd');
$file = JPATH_SITE.DS.'language'.DS.$mosConfig_lang.'.php';
if (file_exists( $file )) {
require_once( $file);
} else {
$file = JPATH_SITE.DS.'language'.DS.'english.php';
if (file_exists( $file )) {
require_once( $file );
}
}
/**
* Legacy global
* use JApplicaiton->registerEvent and JApplication->triggerEvent for event handling
* use JPlugingHelper::importPlugin to load bot code
* @deprecated As of version 1.5
*/
$GLOBALS['_MAMBOTS'] = new mosMambotHandler();
$mosmsg = JRequest::getVar( 'mosmsg' );
$mainframe->enqueueMessage( $mosmsg );
}
/**
* Fixes the $my global if the user was restored by the remember me plugin
*/
function onAfterInitialise()
{
$user =& JFactory::getUser();
if ($user->id) {
if ($GLOBALS['my']->id === 0) {
$GLOBALS['my'] = (object)$user->getProperties();
$GLOBALS['my']->gid = $user->get('aid', 0);
}
}
return true;
}
function onAfterRoute()
{
global $mainframe;
if ($mainframe->isAdmin()) {
return;
}
switch(JRequest::getCmd('option'))
{
case 'com_content' :
$this->routeContent();
break;
case 'com_newsfeeds' :
$this->routeNewsfeeds();
break;
case 'com_weblinks' :
$this->routeWeblinks();
break;
case 'com_frontpage' :
JRequest::setVar('option', 'com_content');
JRequest::setVar('view', 'frontpage');
break;
case 'com_login' :
JRequest::setVar('option', 'com_user');
JRequest::setVar('view', 'login');
break;
case 'com_registration' :
JRequest::setVar('option', 'com_user');
JRequest::setVar('view', 'register');
break;
}
/**
* Legacy global, use JApplication::getTemplate() instead
* @name $cur_template
* @deprecated As of version 1.5
*/
$GLOBALS['cur_template'] = $mainframe->getTemplate();
}
function routeContent()
{
$viewName = JRequest::getCmd( 'view', 'article' );
$layout = JRequest::getCmd( 'layout', 'default' );
// interceptors to support legacy urls
switch( JRequest::getCmd('task'))
{
//index.php?option=com_content&task=x&id=x&Itemid=x
case 'blogsection':
$viewName = 'section';
$layout = 'blog';
break;
case 'section':
$viewName = 'section';
break;
case 'category':
$viewName = 'category';
break;
case 'blogcategory':
$viewName = 'category';
$layout = 'blog';
break;
case 'archivesection':
case 'archivecategory':
$viewName = 'archive';
break;
case 'frontpage' :
$viewName = 'frontpage';
break;
case 'view':
$viewName = 'article';
break;
}
JRequest::setVar('layout', $layout);
JRequest::setVar('view', $viewName);
}
function routeNewsfeeds()
{
$viewName = JRequest::getCmd( 'view', 'categories' );
// interceptors to support legacy urls
switch( JRequest::getCmd('task'))
{
//index.php?option=com_newsfeeds&task=x&catid=xid=x&Itemid=x
case 'view':
$viewName = 'newsfeed';
break;
default:
{
if(JRequest::getInt('catid') && !JRequest::getCmd('view')) {
$viewName = 'category';
}
}
}
JRequest::setVar('view', $viewName);
}
function routeWeblinks()
{
$viewName = JRequest::getCmd( 'view', 'categories' );
// interceptors to support legacy urls
switch( JRequest::getCmd('task'))
{
//index.php?option=com_weblinks&task=x&catid=xid=x
case 'view':
$viewName = 'weblink';
break;
default:
{
if(($catid = JRequest::getInt('catid')) && !JRequest::getCmd('view')) {
$viewName = 'category';
JRequest::setVar('id', $catid);
}
}
}
JRequest::setVar('view', $viewName);
}
}