includes/objectcache/APCBagOStuff.php

   1 <?php
   2 /**
   3  * Object caching using PHP's APC accelerator.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Cache
  22  */
  23
  24 /**
  25  * This is a wrapper for APC's shared memory functions
  26  *
  27  * @ingroup Cache
  28  */
  29 class APCBagOStuff extends BagOStuff {
  30
  31         /**
  32          * @param $key string
  33          * @return mixed
  34          */
  35         public function get( $key ) {
  36                 $val = apc_fetch( $key );
  37
  38                 if ( is_string( $val ) ) {
  39                         $val = unserialize( $val );
  40                 }
  41
  42                 return $val;
  43         }
  44
  45         /**
  46          * @param $key string
  47          * @param $value mixed
  48          * @param $exptime int
  49          * @return bool
  50          */
  51         public function set( $key, $value, $exptime = 0 ) {
  52                 apc_store( $key, serialize( $value ), $exptime );
  53
  54                 return true;
  55         }
  56
  57         /**
  58          * @param $key string
  59          * @param $time int
  60          * @return bool
  61          */
  62         public function delete( $key, $time = 0 ) {
  63                 apc_delete( $key );
  64
  65                 return true;
  66         }
  67
  68         /**
  69          * @return Array
  70          */
  71         public function keys() {
  72                 $info = apc_cache_info( 'user' );
  73                 $list = $info['cache_list'];
  74                 $keys = array();
  75
  76                 foreach ( $list as $entry ) {
  77                         $keys[] = $entry['info'];
  78                 }
  79
  80                 return $keys;
  81         }
  82 }
  83