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455 lines
14 KiB
455 lines
14 KiB
<?php |
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if (!defined('__TYPECHO_ROOT_DIR__')) exit; |
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/** |
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* Typecho缓存插件 |
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* |
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* @package TpCache |
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* @author 老高 |
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* @version 0.7 |
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* @link http://www.phpgao.com |
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*/ |
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class TpCache_Plugin implements Typecho_Plugin_Interface |
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{ |
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public static $key = null; |
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public static $cache = null; |
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public static $html = null; |
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public static $path = null; |
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public static $sys_config = null; |
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public static $plugin_config = null; |
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public static $request = null; |
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public static function activate() |
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{ |
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//页面收尾 |
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Typecho_Plugin::factory('index.php')->begin = array('TpCache_Plugin', 'C'); |
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Typecho_Plugin::factory('index.php')->end = array('TpCache_Plugin', 'S'); |
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//页面编辑 |
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Typecho_Plugin::factory('Widget_Contents_Post_Edit')->finishPublish = array('TpCache_Plugin', 'post_update'); |
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Typecho_Plugin::factory('Widget_Contents_Page_Edit')->finishPublish = array('TpCache_Plugin', 'post_update'); |
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//评论 |
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Typecho_Plugin::factory('Widget_Feedback')->finishComment = array('TpCache_Plugin', 'comment_update'); |
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return '插件安装成功,请设置需要缓存的页面'; |
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} |
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/** |
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* 禁用插件方法,如果禁用失败,直接抛出异常 |
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* |
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* @static |
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* @access public |
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* @throws Typecho_Plugin_Exception |
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*/ |
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public static function deactivate() |
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{ |
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try { |
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$uninstall_sql = 'DROP TABLE IF EXISTS `%prefix%cache`'; |
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$db = Typecho_Db::get(); |
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$prefix = $db->getPrefix(); |
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$sql = str_replace('%prefix%', $prefix, $uninstall_sql); |
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$db->query($sql); |
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} catch (Exception $e) { |
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echo $e->getMessage(); |
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} |
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} |
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/** |
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* 获取插件配置面板 |
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* |
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* @access public |
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* @param Typecho_Widget_Helper_Form $form 配置面板 |
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* @return void |
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*/ |
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public static function config(Typecho_Widget_Helper_Form $form) |
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{ |
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$list = array( |
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'index' => '首页', |
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'archive' => '归档', |
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'post' => '文章', |
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'attachment' => '附件', |
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'category' => '分类', |
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'tag' => '标签', |
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'author' => '作者', |
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'search' => '搜索', |
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'feed' => 'feed', |
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'page' => '页面', |
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); |
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$element = new Typecho_Widget_Helper_Form_Element_Checkbox('cache_page', $list, array('index', 'post', 'search', 'page', 'author', 'tag'), '需要缓存的页面'); |
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$form->addInput($element); |
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$list = array('关闭', '开启'); |
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$element = new Typecho_Widget_Helper_Form_Element_Radio('login', $list, 1, '是否对已登录用户失效', '已经录用户不会触发缓存策略'); |
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$form->addInput($element); |
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$list = array('关闭', '开启'); |
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$element = new Typecho_Widget_Helper_Form_Element_Radio('enable_ssl', $list, '0', '是否支持SSL'); |
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$form->addInput($element); |
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$list = array( |
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'0' => '不使用缓存', |
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'memcached' => 'Memcached', |
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'memcache' => 'Memcache', |
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'redis' => 'Redis', |
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'mysql' => 'Mysql' |
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); |
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$element = new Typecho_Widget_Helper_Form_Element_Radio('cache_driver', $list, '0', '缓存驱动'); |
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$form->addInput($element); |
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$element = new Typecho_Widget_Helper_Form_Element_Text('expire', null, '86400', '缓存过期时间', '86400 = 60s * 60m *24h,即一天的秒数'); |
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$form->addInput($element); |
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$element = new Typecho_Widget_Helper_Form_Element_Text('host', null, '127.0.0.1', '主机地址', '主机地址,一般为127.0.0.1'); |
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$form->addInput($element); |
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$element = new Typecho_Widget_Helper_Form_Element_Text('port', null, '11211', '端口号', '端口号,memcache对应11211,Redis对应6379,其他类型随意填写'); |
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$form->addInput($element); |
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$list = array('关闭', '开启'); |
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$element = new Typecho_Widget_Helper_Form_Element_Radio('is_debug', $list, 0, '是否开启debug'); |
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$form->addInput($element); |
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$list = array('关闭', '清除所有数据'); |
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$element = new Typecho_Widget_Helper_Form_Element_Radio('is_clean', $list, 0, '清除所有数据'); |
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$form->addInput($element); |
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} |
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/** |
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* 手动保存配置句柄 |
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* @param $config array 插件配置 |
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* @param $is_init bool 是否初始化 |
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*/ |
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public static function configHandle($config, $is_init) |
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{ |
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if ($is_init != true && $config['cache_driver'] != '0') { |
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$driver_name = $config['cache_driver']; |
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$class_name = "typecho_$driver_name"; |
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$file_path = "driver/$class_name.class.php"; |
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require_once 'driver/cache.interface.php'; |
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require_once $file_path; |
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self::$cache = call_user_func(array($class_name, 'getInstance'), self::$plugin_config); |
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try { |
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if ($config['is_clean'] == '1') self::$cache->flush(); |
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} catch (Exception $e) { |
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print $e->getMessage(); |
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die; |
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} |
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// 删除缓存仅生效一次 |
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$config['is_clean'] = '0'; |
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} |
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Helper::configPlugin('TpCache', $config); |
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} |
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/** |
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* 个人用户的配置面板 |
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* |
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* @access public |
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* @param Typecho_Widget_Helper_Form $form |
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* @return void |
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*/ |
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public static function personalConfig(Typecho_Widget_Helper_Form $form) |
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{ |
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} |
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/** |
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* 缓存前置操作 |
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*/ |
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public static function C() |
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{ |
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$start = microtime(true); |
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// 插件初始化 |
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if (self::init() == false) return false; |
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// 前置条件检查 |
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if (self::pre_check() == false) return false; |
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//获取路径信息 |
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$pathInfo = self::$request->getPathInfo(); |
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//判断是否需要缓存 |
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if (!self::needCache($pathInfo)) return false; |
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try { |
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$data = self::get(self::$path); |
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if ($data != false) { |
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$data = unserialize($data); |
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//如果超时 |
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if ($data['c_time'] + self::$plugin_config->expire <= time()) { |
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if (self::$plugin_config->is_debug) echo "Expired!\n"; |
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$data['c_time'] = $data['c_time'] + 20; |
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self::set(self::$path, serialize($data)); |
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} else { |
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if (self::$plugin_config->is_debug) echo "Hit!\n"; |
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if ($data['html']) echo $data['html']; |
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$end = microtime(true); |
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$time = number_format(($end - $start), 6); |
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if (self::$plugin_config->is_debug) echo 'This page loaded in ', $time, ' seconds'; |
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die; |
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} |
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} else { |
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if (self::$plugin_config->is_debug) echo "Can't find cache!"; |
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} |
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} catch (Exception $e) { |
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echo $e->getMessage(); |
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} |
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// 先进行一次刷新 |
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ob_flush(); |
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} |
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/** |
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* 前置检查 |
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* @return bool |
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*/ |
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public static function pre_check() |
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{ |
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//对登录用户失效 |
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if (self::check_login()) return false; |
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//针对POST失效 |
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if (self::$request->isPost()) return false; |
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//是否支持SSL |
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if (self::$plugin_config->enable_ssl == '0' && self::$request->isSecure() == true) return false; |
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return true; |
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} |
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/** |
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* 判断用户是否登录 |
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* @return bool |
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* @throws Typecho_Widget_Exception |
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*/ |
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public static function check_login() |
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{ |
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//http与https相互独立 |
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return (self::$plugin_config->login && Typecho_Widget::widget('Widget_User')->hasLogin()); |
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} |
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/** |
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* 根据配置判断是否需要缓存 |
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* @param string 路径信息 |
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* @return bool |
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*/ |
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public static function needCache($path) |
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{ |
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//后台数据不缓存 |
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$pattern = '#^' . __TYPECHO_ADMIN_DIR__ . '#i'; |
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if (preg_match($pattern, $path)) return false; |
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//action动作不缓存 |
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$pattern = '#^/action#i'; |
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if (preg_match($pattern, $path)) return false; |
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$_routingTable = self::$sys_config->routingTable; |
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$exclude = array('_year', '_month', '_day', '_page'); |
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foreach ($_routingTable[0] as $key => $route) { |
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if ($route['widget'] != 'Widget_Archive') continue; |
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if (preg_match($route['regx'], $path, $matches)) { |
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$key = str_replace($exclude, '', str_replace($exclude, '', $key)); |
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if (in_array($key, self::$plugin_config->cache_page)) { |
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if (self::$plugin_config->is_debug) echo "This page needs to be cached!\n" . ' |
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<a href="http://www.phpgao.com/tpcache_for_typecho.html" target="_blank"> Bug Report </a>'; |
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self::$path = $path; |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* 缓存后置操作 |
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*/ |
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public static function S() |
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{ |
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//对登录用户失效 |
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if (self::check_login()) return; |
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//若self::$key不为空,则使用缓存 |
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if (is_null(self::$key)) return; |
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$html = ob_get_contents(); |
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if (!empty($html)) { |
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$data = array(); |
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$data['c_time'] = time(); |
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$data['html'] = $html; |
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//更新缓存 |
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if (self::$plugin_config->is_debug) echo "Cache updated!\n"; |
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self::set(self::$key, serialize($data)); |
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} |
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} |
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/** |
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* 编辑文章后更新缓存 |
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* @param $contents |
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* @param $class |
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*/ |
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public static function post_update($contents, $class) |
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{ |
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if ('publish' != $contents['visibility'] || $contents['created'] > time()) { |
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return; |
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} |
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//获取系统配置 |
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$options = Helper::options(); |
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if(!$options->plugin('TpCache')->cache_driver){ |
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return; |
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} |
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//获取文章类型 |
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$type = $contents['type']; |
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//获取路由信息 |
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$routeExists = (NULL != Typecho_Router::get($type)); |
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if (!is_null($routeExists)) { |
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$db = Typecho_Db::get(); |
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$contents['cid'] = $class->cid; |
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$contents['categories'] = $db->fetchAll($db->select()->from('table.metas') |
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->join('table.relationships', 'table.relationships.mid = table.metas.mid') |
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->where('table.relationships.cid = ?', $contents['cid']) |
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->where('table.metas.type = ?', 'category') |
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->order('table.metas.order', Typecho_Db::SORT_ASC)); |
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$contents['category'] = urlencode(current(Typecho_Common::arrayFlatten($contents['categories'], 'slug'))); |
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$contents['slug'] = urlencode($contents['slug']); |
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$contents['date'] = new Typecho_Date($contents['created']); |
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$contents['year'] = $contents['date']->year; |
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$contents['month'] = $contents['date']->month; |
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$contents['day'] = $contents['date']->day; |
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} |
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//生成永久连接 |
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$path_info = $routeExists ? Typecho_Router::url($type, $contents) : '#'; |
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self::init(); |
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if (self::needCache($path_info)) self::delete(self::$path); |
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} |
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/** |
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* 评论更新 |
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* |
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* @access public |
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* @param array $comment 评论结构 |
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* @param Typecho_Widget $post 被评论的文章 |
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* @param array $result 返回的结果上下文 |
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* @param string $api api地址 |
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* @return void |
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*/ |
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public static function comment_update($comment) |
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{ |
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$req = new Typecho_Request(); |
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self::delete(str_replace($req->getRequestRoot(), '', $req->getReferer())); |
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} |
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/** |
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* 插件配置初始化 |
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* @return bool |
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* @throws Typecho_Plugin_Exception |
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*/ |
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public static function init() |
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{ |
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if (is_null(self::$sys_config)) { |
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self::$sys_config = Helper::options(); |
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} |
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if (is_null(self::$plugin_config)) { |
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self::$plugin_config = self::$sys_config->plugin('TpCache'); |
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} |
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if (self::$plugin_config->cache_driver == '0') { |
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return false; |
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} |
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if (is_null(self::$cache)) { |
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$driver_name = self::$plugin_config->cache_driver; |
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$class_name = "typecho_$driver_name"; |
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$file_path = "driver/$class_name.class.php"; |
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require_once 'driver/cache.interface.php'; |
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require_once $file_path; |
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self::$cache = call_user_func(array($class_name, 'getInstance'), self::$plugin_config); |
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} |
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if (is_null(self::$request)) { |
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self::$request = new Typecho_Request(); |
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} |
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return true; |
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} |
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public static function set($path, $data) |
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{ |
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if (!is_null(self::$key)) return self::$cache->set(self::$key, $data); |
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$prefix = self::$request->getUrlPrefix(); |
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self::$key = md5($prefix . $path); |
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return self::$cache->set(self::$key, $data); |
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} |
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public static function add($path, $data) |
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{ |
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} |
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public static function get($path) |
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{ |
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if (!is_null(self::$key)) return self::$cache->get(self::$key); |
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$prefix = self::$request->getUrlPrefix(); |
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self::$key = md5($prefix . $path); |
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return self::$cache->get(self::$key); |
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} |
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/** |
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* 删除指定路径 |
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* @param string $path 待删除路径 |
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* @param null $del_home 是否删除首页缓存 |
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*/ |
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public static function delete($path, $del_home = null) |
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{ |
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$prefixs = array( |
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'http' |
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. '://' . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : |
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($_SERVER['SERVER_NAME'] . (in_array($_SERVER['SERVER_PORT'], array(80, 443)) |
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? '' : ':' . $_SERVER['SERVER_PORT'])) |
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), |
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'https' |
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. '://' . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : |
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($_SERVER['SERVER_NAME'] . (in_array($_SERVER['SERVER_PORT'], array(80, 443)) |
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? '' : ':' . $_SERVER['SERVER_PORT'])) |
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), |
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); |
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$keys = array(); |
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if (!is_array($path)) { |
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$keys[] = $path; |
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} else { |
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$keys = $path; |
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} |
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foreach ($keys as $v) { |
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foreach ($prefixs as $prefix) { |
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echo $prefix . $v; |
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@self::$cache->delete(md5($prefix . $v)); |
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} |
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} |
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if (is_null($del_home)) { |
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foreach ($prefixs as $prefix) { |
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echo $prefix . '/'; |
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@self::$cache->delete(md5($prefix . '/')); |
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} |
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} |
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} |
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} |