From 9c5c553f5804aabc0e0c49b882038bd42b209d18 Mon Sep 17 00:00:00 2001
From: Stricted <info@stricted.de>
Date: Sun, 5 Jan 2014 05:14:54 +0100
Subject: [PATCH] remove APC completely

---
 com.woltlab.wcf/option.xml                    |   2 -
 .../lib/acp/page/CacheListPage.class.php      |  26 ----
 .../cache/source/ApcCacheSource.class.php     | 116 ------------------
 wcfsetup/install/lang/de.xml                  |   2 -
 wcfsetup/install/lang/en.xml                  |   2 -
 5 files changed, 148 deletions(-)
 delete mode 100644 wcfsetup/install/files/lib/system/cache/source/ApcCacheSource.class.php

diff --git a/com.woltlab.wcf/option.xml b/com.woltlab.wcf/option.xml
index b9053f60d4..1a4ecac693 100644
--- a/com.woltlab.wcf/option.xml
+++ b/com.woltlab.wcf/option.xml
@@ -651,11 +651,9 @@ debug:mail_debug_logfile_path,!mail_use_f_param,!mail_smtp_host,!mail_smtp_port,
 				<selectoptions><![CDATA[disk:wcf.acp.option.cache_source_type.disk
 memcached:wcf.acp.option.cache_source_type.memcached
 no:wcf.acp.option.cache_source_type.no]]></selectoptions>
-				<!-- apc:wcf.acp.option.cache_source_type.apc -->
 				<enableoptions><![CDATA[disk:!cache_source_memcached_host
 memcached:cache_source_memcached_host
 no:!cache_source_memcached_host]]></enableoptions>
-				<!-- apc:!cache_source_memcached_host -->
 			</option>
 			
 			<option name="cache_source_memcached_host">
diff --git a/wcfsetup/install/files/lib/acp/page/CacheListPage.class.php b/wcfsetup/install/files/lib/acp/page/CacheListPage.class.php
index e21f8de4b9..991e727904 100755
--- a/wcfsetup/install/files/lib/acp/page/CacheListPage.class.php
+++ b/wcfsetup/install/files/lib/acp/page/CacheListPage.class.php
@@ -83,32 +83,6 @@ class CacheListPage extends AbstractPage {
 				$this->cacheData['version'] = WCF_VERSION;
 			break;
 			
-			case 'wcf\system\cache\source\ApcCacheSource':
-				// set version
-				$this->cacheData['version'] = phpversion('apc');
-				
-				$apcinfo = apc_cache_info('user');
-				$cacheList = $apcinfo['cache_list'];
-				usort($cacheList, function ($a, $b) {
-					return $a['info'] > $b['info'];
-				});
-				
-				$prefix = new Regex('^WCF_'.substr(sha1(WCF_DIR), 0, 10) . '_');
-				foreach ($cacheList as $cache) {
-					if (!$prefix->match($cache['info'])) continue;
-					
-					// get additional cache information
-					$this->caches['data']['apc'][] = array(
-						'filename' => $prefix->replace($cache['info'], ''),
-						'filesize' => $cache['mem_size'],
-						'mtime' => $cache['mtime']
-					);
-					
-					$this->cacheData['files']++;
-					$this->cacheData['size'] += $cache['mem_size'];
-				}
-			break;
-			
 			case 'wcf\system\cache\source\NoCacheSource':
 				$this->cacheData['version'] = WCF_VERSION;
 			break;
diff --git a/wcfsetup/install/files/lib/system/cache/source/ApcCacheSource.class.php b/wcfsetup/install/files/lib/system/cache/source/ApcCacheSource.class.php
deleted file mode 100644
index 28f0d17f22..0000000000
--- a/wcfsetup/install/files/lib/system/cache/source/ApcCacheSource.class.php
+++ /dev/null
@@ -1,116 +0,0 @@
-<?php
-namespace wcf\system\cache\source;
-use wcf\system\exception\SystemException;
-use wcf\system\Regex;
-use wcf\util\StringUtil;
-
-/**
- * ApcCacheSource is an implementation of CacheSource that uses APC to store cached variables.
- * 
- * @author	Alexander Ebert
- * @copyright	2001-2013 WoltLab GmbH
- * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package	com.woltlab.wcf
- * @subpackage	system.cache.source
- * @category	Community Framework
- */
-class ApcCacheSource implements ICacheSource {
-	/**
-	 * key prefix
-	 * @var	string
-	 */
-	protected $prefix = '';
-	
-	/**
-	 * Creates a new ApcCacheSource object.
-	 */
-	public function __construct() {
-		if (!function_exists('apc_store')) {
-			throw new SystemException('APC support is not enabled.');
-		}
-		
-		// set variable prefix to prevent collision
-		$this->prefix = 'WCF_'.substr(sha1(WCF_DIR), 0, 10) . '_';
-	}
-	
-	/**
-	 * @see	\wcf\system\cache\source\ICacheSource::flush()
-	 */
-	public function flush($cacheName, $useWildcard) {
-		if ($useWildcard) {
-			$this->removeKeys($this->prefix . $cacheName . '(\-[a-f0-9]+)?');
-		}
-		else {
-			apc_delete($this->prefix . $cacheName);
-		}
-	}
-	
-	/**
-	 * @see	\wcf\system\cache\source\ICacheSource::flushAll()
-	 */
-	public function flushAll() {
-		$this->removeKeys();
-	}
-	
-	/**
-	 * @see	\wcf\system\cache\source\ICacheSource::get()
-	 */
-	public function get($cacheName, $maxLifetime) {
-		if (($data = apc_fetch($this->prefix . $cacheName)) === false) {
-			return null;
-		}
-		
-		return $data;
-	}
-	
-	/**
-	 * @see	\wcf\system\cache\source\ICacheSource::set()
-	 */
-	public function set($cacheName, $value, $maxLifetime) {
-		apc_store($this->prefix . $cacheName, $value, $this->getTTL($maxLifetime));
-	}
-	
-	/**
-	 * Returns time to live in seconds, defaults to 3 days.
-	 * 
-	 * @param	integer		$maxLifetime
-	 * @return	integer
-	 */
-	protected function getTTL($maxLifetime = 0) {
-		if ($maxLifetime) {
-			// max lifetime is a timestamp, discard (similar to http://www.php.net/manual/en/memcached.expiration.php)
-			if ($maxLifetime > (60 * 60 * 24 * 30)) {
-				$maxLifetime = 0;
-			}
-		}
-		
-		if ($maxLifetime) {
-			return $maxLifetime;
-		}
-		
-		// default TTL: 3 days
-		return (60 * 60 * 24 * 3);
-	}
-	
-	/**
-	 * @see	\wcf\system\cache\source\ICacheSource::clear()
-	 */
-	public function removeKeys($pattern = null) {
-		$regex = null;
-		if ($pattern !== null) {
-			$regex = new Regex('^'.$pattern.'$');
-		}
-		
-		$apcCacheInfo = apc_cache_info('user');
-		foreach ($apcCacheInfo['cache_list'] as $cache) {
-			if ($regex === null) {
-				if (StringUtil::startsWith($cache['info'], $this->prefix)) {
-					apc_delete($cache['info']);
-				}
-			}
-			else if ($regex->match($cache['info'])) {
-				apc_delete($cache['info']);
-			}
-		}
-	}
-}
diff --git a/wcfsetup/install/lang/de.xml b/wcfsetup/install/lang/de.xml
index e6e92510ee..cdb9ea5112 100644
--- a/wcfsetup/install/lang/de.xml
+++ b/wcfsetup/install/lang/de.xml
@@ -104,7 +104,6 @@
 		<item name="wcf.acp.cache.list.name"><![CDATA[Name]]></item>
 		<item name="wcf.acp.cache.list.perm"><![CDATA[Zugriffsrechte]]></item>
 		<item name="wcf.acp.cache.list.size"><![CDATA[Größe]]></item>
-		<item name="wcf.acp.cache.source.type.ApcCacheSource"><![CDATA[Alternative PHP Cache]]></item>
 		<item name="wcf.acp.cache.source.type.DiskCacheSource"><![CDATA[Dateisystem]]></item>
 		<item name="wcf.acp.cache.source.type.MemcachedCacheSource"><![CDATA[Memcached]]></item>
 		<item name="wcf.acp.cache.source.type.NoCacheSource"><![CDATA[keine (Caching deaktiviert)]]></item>
@@ -573,7 +572,6 @@
 		<item name="wcf.acp.option.cache_source_memcached_host"><![CDATA[Memcached-Server]]></item>
 		<item name="wcf.acp.option.cache_source_memcached_host.description"><![CDATA[Mehrere Server können zeilenweise angegeben und die Gewichtung als dritter Parameter angegeben werden, zum Beispiel „localhost:11211:67“ oder „10.0.13.37:31337:33“.]]></item>
 		<item name="wcf.acp.option.cache_source_type"><![CDATA[Cache-Methode]]></item>
-		<item name="wcf.acp.option.cache_source_type.apc"><![CDATA[Alternative PHP Cache (experimentell)]]></item>
 		<item name="wcf.acp.option.cache_source_type.description"><![CDATA[Beachten Sie, dass einige Methoden spezielle Anforderungen an das Server-System stellen und nicht auf jedem Server zur Verfügung stehen.]]></item>
 		<item name="wcf.acp.option.cache_source_type.disk"><![CDATA[Dateisystem (Standard)]]></item>
 		<item name="wcf.acp.option.cache_source_type.memcached"><![CDATA[Memcached]]></item>
diff --git a/wcfsetup/install/lang/en.xml b/wcfsetup/install/lang/en.xml
index bd5ae35375..c13f794de1 100644
--- a/wcfsetup/install/lang/en.xml
+++ b/wcfsetup/install/lang/en.xml
@@ -103,7 +103,6 @@ Examples for medium ID detection:
 		<item name="wcf.acp.cache.list.name"><![CDATA[Name]]></item>
 		<item name="wcf.acp.cache.list.perm"><![CDATA[Permissions]]></item>
 		<item name="wcf.acp.cache.list.size"><![CDATA[Size]]></item>
-		<item name="wcf.acp.cache.source.type.ApcCacheSource"><![CDATA[Alternative PHP Cache]]></item>
 		<item name="wcf.acp.cache.source.type.DiskCacheSource"><![CDATA[Filesystem]]></item>
 		<item name="wcf.acp.cache.source.type.MemcachedCacheSource"><![CDATA[Memcached]]></item>
 		<item name="wcf.acp.cache.source.type.NoCacheSource"><![CDATA[None (caching disabled)]]></item>
@@ -572,7 +571,6 @@ Examples for medium ID detection:
 		<item name="wcf.acp.option.cache_source_memcached_host"><![CDATA[Memcached-Server]]></item>
 		<item name="wcf.acp.option.cache_source_memcached_host.description"><![CDATA[One server per line, you can additionally specify a weight factor to allow load balancing, for example “localhost:11211:67” or “10.0.13.37:31337:33”.]]></item>
 		<item name="wcf.acp.option.cache_source_type"><![CDATA[Caching Method]]></item>
-		<item name="wcf.acp.option.cache_source_type.apc"><![CDATA[Alternative PHP Cache (experimental)]]></item>
 		<item name="wcf.acp.option.cache_source_type.description"><![CDATA[Caching methods different from “Filesystem” require special extensions or services running on your machine.]]></item>
 		<item name="wcf.acp.option.cache_source_type.disk"><![CDATA[Filesystem (default)]]></item>
 		<item name="wcf.acp.option.cache_source_type.memcached"><![CDATA[Memcached]]></item>
-- 
2.20.1