增加 APCu缓存

upload/config/config_global_default.php

@@ -4,7 +4,7 @@
  *      [Discuz!] (C)2001-2099 Comsenz Inc.
  *      This is NOT a freeware, use is subject to license terms
  *
- *      $Id: config_global_default.php 36287 2016-12-12 03:59:05Z nemohou $
+ *      $Id: config_global_default.php 36362 2017-02-04 02:02:03Z nemohou $
  */
 
 $_config = array();
@@ -111,7 +111,8 @@ $_config['memory']['memcache']['port'] = 11211;			// memcache 服务器端口
 $_config['memory']['memcache']['pconnect'] = 1;			// memcache 是否长久连接
 $_config['memory']['memcache']['timeout'] = 1;			// memcache 服务器连接超时
 
-$_config['memory']['apc'] = 1;							// 启动对 apc 的支持
+$_config['memory']['apc'] = 1;							// 启动对 APC 的支持
+$_config['memory']['apcu'] = 1;							// 启动对 APCu 的支持
 $_config['memory']['xcache'] = 1;						// 启动对 xcache 的支持
 $_config['memory']['eaccelerator'] = 1;					// 启动对 eaccelerator 的支持
 $_config['memory']['wincache'] = 1;						// 启动对 wincache 的支持

upload/source/admincp/admincp_setting.php

@@ -4,7 +4,7 @@
  *      [Discuz!] (C)2001-2099 Comsenz Inc.
  *      This is NOT a freeware, use is subject to license terms
  *
- *      $Id: admincp_setting.php 36349 2017-01-16 03:05:23Z nemohou $
+ *      $Id: admincp_setting.php 36362 2017-02-04 02:02:03Z nemohou $
  */
 if(!defined('IN_DISCUZ') || !defined('IN_ADMINCP')) {
 	exit('Access Denied');
@@ -2247,6 +2247,11 @@ EOT;
 			$cache_config['yac'] ? cplang('open') : cplang('closed'),
 			$cache_type == 'yac' ? $do_clear_link : '--'
 			);
+		$apcu = array('APCu',
+			$cache_extension['apcu'] ? cplang('setting_memory_php_enable') : cplang('setting_memory_php_disable'),
+			$cache_config['apcu'] ? cplang('open') : cplang('closed'),
+			$cache_type == 'apcu' ? $do_clear_link : '--'
+			);
 		showtablerow('', array('width="100"', 'width="120"', 'width="120"'), $redis);
 		showtablerow('', '', $memcache);
 		showtablerow('', '', $apc);
@@ -2254,6 +2259,7 @@ EOT;
 		showtablerow('', '', $ea);
 		showtablerow('', '', $wincache);
 		showtablerow('', '', $yac);
+		showtablerow('', '', $apcu);
 		showtablefooter();
 
 		if(!isset($setting['memory'])) {

upload/source/class/discuz/discuz_memory.php

@@ -4,7 +4,7 @@
  *      [Discuz!] (C)2001-2099 Comsenz Inc.
  *      This is NOT a freeware, use is subject to license terms
  *
- *      $Id: discuz_memory.php 31432 2012-08-28 03:04:18Z zhangguosheng $
+ *      $Id: discuz_memory.php 36362 2017-02-04 02:02:03Z nemohou $
  */
 
 if(!defined('IN_DISCUZ')) {
@@ -29,8 +29,8 @@ class discuz_memory extends discuz_base
 		$this->extension['xcache'] = function_exists('xcache_get');
 		$this->extension['eaccelerator'] = function_exists('eaccelerator_get');
 		$this->extension['wincache'] = function_exists('wincache_ucache_meminfo') && wincache_ucache_meminfo();
-		$this->extension['xcache'] = function_exists('xcache_get');
 		$this->extension['yac'] = extension_loaded('Yac');
+		$this->extension['apcu'] = function_exists('apcu_cache_info') && @apcu_cache_info();
 	}
 
 	public function init($config) {
@@ -54,7 +54,7 @@ class discuz_memory extends discuz_base
 			}
 		}
 
-		foreach(array('apc', 'eaccelerator', 'xcache', 'wincache','yac') as $cache) {
+		foreach(array('apc', 'eaccelerator', 'xcache', 'wincache', 'yac', 'apcu') as $cache) {
 			if(!is_object($this->memory) && $this->extension[$cache] && $this->config[$cache]) {
 				$class_name = 'memory_driver_'.$cache;
 				$this->memory = new $class_name();

upload/source/class/memory/memory_driver_apcu.php

@@ -0,0 +1,51 @@
+<?php
+
+/**
+ *      [Discuz!] (C)2001-2099 Comsenz Inc.
+ *      This is NOT a freeware, use is subject to license terms
+ *
+ *      $Id: memory_driver_apc.php 27635 2012-02-08 06:38:31Z zhangguosheng $
+ */
+if (!defined('IN_DISCUZ')) {
+	exit('Access Denied');
+}
+
+class memory_driver_apcu {
+
+	public function init($config) {
+
+	}
+
+	public function get($key) {
+		return apcu_fetch($key);
+	}
+
+	public function getMulti($keys) {
+		$result = array();
+		foreach($keys as $key) {
+			$result[$key] = apcu_fetch($key);
+		}
+		return $result;
+	}
+
+	public function set($key, $value, $ttl = 0) {
+		return apcu_store($key, $value, $ttl);
+	}
+
+	public function rm($key) {
+		return apcu_delete($key);
+	}
+
+	public function clear() {
+		return apcu_clear_cache('user');
+	}
+
+	public function inc($key, $step = 1) {
+		return apcu_inc($key, $step) !== false ? apcu_fetch($key) : false;
+	}
+
+	public function dec($key, $step = 1) {
+		return apcu_dec($key, $step) !== false ? apcu_fetch($key) : false;
+	}
+
+}

upload/source/class/memory/memory_driver_yac.php

@@ -6,13 +6,11 @@
  *
  *      $Id: memory_driver_yac.php 27635 2017-02-02 17:02:46Z NaiXiaoxIN $
  */
-
 if (!defined('IN_DISCUZ')) {
 	exit('Access Denied');
 }
 
-class memory_driver_yac
+class memory_driver_yac {
-{
 
 	private $object = null;