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| <?php |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // // |
| // Copyright (C) 2006 Phorum Development Team // |
| // http://www.phorum.org // |
| // // |
| // This program is free software. You can redistribute it and/or modify // |
| // it under the terms of either the current Phorum License (viewable at // |
| // phorum.org) or the Phorum License that was distributed with this file // |
| // // |
| // This program is distributed in the hope that it will be useful, // |
| // but WITHOUT ANY WARRANTY, without even the implied warranty of // |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. // |
| // // |
| // You should have received a copy of the Phorum License // |
| // along with this program. // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| /* |
| * Memcached-based caching-layer |
| * Memcached -> http://www.danga.com/memcached/ |
| * using the pecl-module for accessing memcached |
| * -> http://pecl.php.net/package/memcache/ |
| */ |
| if(!defined("PHORUM")) return; |
| |
| $PHORUM['memcache_obj'] = new Memcache; |
| $PHORUM['memcache_obj']->connect('127.0.0.1', 11211); |
| //$PHORUM['memcache_obj'] = memcache_connect('127.0.0.1', 11211); |
| |
| |
| |
| /* |
| * This function returns the cached data for the given key |
| * or NULL if no data is cached for this key |
| */ |
| function phorum_cache_get($type,$key) { |
| if(is_array($key)) { |
| $getkey=array(); |
| foreach($key as $realkey) { |
| $getkey[]=$type."_".$realkey; |
| } |
| } else { |
| $getkey=$type."_".$key; |
| } |
| |
| $ret=$GLOBALS['PHORUM']['memcache_obj']->get($getkey); |
| |
| // rewriting them as we need to strip out the type :( |
| if(is_array($getkey)) { |
| $typelen=(strlen($type)+1); |
| foreach($ret as $retkey => $retdata) { |
| $ret[substr($retkey,$typelen)]=$retdata; |
| unset($ret[$retkey]); |
| } |
| } |
| if($ret === false || (is_array($ret) && count($ret) == 0)) |
| $ret=NULL; |
| |
| return $ret; |
| |
| } |
| |
| /* |
| * Puts some data into the cache |
| * returns number of bytes written (something 'true') or false ... |
| * depending of the success of the function |
| */ |
| function phorum_cache_put($type,$key,$data,$ttl=PHORUM_CACHE_DEFAULT_TTL) { |
| |
| $ret=$GLOBALS['PHORUM']['memcache_obj']->set($type."_".$key, $data, 0, $ttl); |
| return $ret; |
| } |
| |
| |
| /* |
| * Removes a key from the cache |
| */ |
| function phorum_cache_remove($type,$key) { |
| |
| $ret=$GLOBALS['PHORUM']['memcache_obj']->delete( $type."_".$key, 0); |
| |
| return $ret; |
| } |
| |
| /* |
| * Clears all data from the cache |
| */ |
| function phorum_cache_clear() { |
| |
| $ret=$GLOBALS['PHORUM']['memcache_obj']->flush(); |
| |
| return $ret; |
| } |
| |
| /* |
| type can be nearly each value to specify a group of data |
| used are currently: |
| 'user' |
| 'message' |
| */ |
| |
| |
| ?> |