Start moving objectcache into libs/
[lhc/web/wiklou.git] / includes / libs / 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 public function get( $key, &$casToken = null ) {
31 $val = apc_fetch( $key );
32
33 $casToken = $val;
34
35 if ( is_string( $val ) ) {
36 if ( $this->isInteger( $val ) ) {
37 $val = intval( $val );
38 } else {
39 $val = unserialize( $val );
40 }
41 }
42
43 return $val;
44 }
45
46 public function set( $key, $value, $exptime = 0 ) {
47 if ( !$this->isInteger( $value ) ) {
48 $value = serialize( $value );
49 }
50
51 apc_store( $key, $value, $exptime );
52
53 return true;
54 }
55
56 public function delete( $key ) {
57 apc_delete( $key );
58
59 return true;
60 }
61
62 public function incr( $key, $value = 1 ) {
63 return apc_inc( $key, $value );
64 }
65
66 public function decr( $key, $value = 1 ) {
67 return apc_dec( $key, $value );
68 }
69 }