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<?php
/**
* Object caching using memcached.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Cache
*/
/**
* A wrapper class for the pure-PHP memcached client, exposing a BagOStuff interface.
*
* @ingroup Cache
*/
class MemcachedPhpBagOStuff extends MemcachedBagOStuff {
/**
* Constructor.
*
* Available parameters are:
* - servers: The list of IP:port combinations holding the memcached servers.
* - debug: Whether to set the debug flag in the underlying client.
* - persistent: Whether to use a persistent connection
* - compress_threshold: The minimum size an object must be before it is compressed
* - timeout: The read timeout in microseconds
* - connect_timeout: The connect timeout in seconds
*
* @param array $params
*/
function __construct( $params ) {
parent::__construct( $params );
$params = $this->applyDefaultParams( $params );
$this->client = new MemCachedClientforWiki( $params );
$this->client->set_servers( $params['servers'] );
$this->client->set_debug( $params['debug'] );
}
/**
* @param bool $debug
*/
public function setDebug( $debug ) {
$this->client->set_debug( $debug );
}
public function getMulti( array $keys, $flags = 0 ) {
$callback = array( $this, 'encodeKey' );
$encodedResult = $this->client->get_multi( array_map( $callback, $keys ) );
$result = array();
foreach ( $encodedResult as $key => $value ) {
$key = $this->decodeKey( $key );
$result[$key] = $value;
}
return $result;
}
/**
* @param string $key
* @param int $value
* @return mixed
*/
public function incr( $key, $value = 1 ) {
return $this->client->incr( $this->encodeKey( $key ), $value );
}
/**
* @param string $key
* @param int $value
* @return mixed
*/
public function decr( $key, $value = 1 ) {
return $this->client->decr( $this->encodeKey( $key ), $value );
}
}
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