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<?php
/*
+--------------------------------------------------------------------------
| Invision Power Services Kernel [Cache Abstraction]
| Invision Power Board
| =============================================
| by Matthew Mecham
| (c) 2001 - 2006 Invision Power Services, Inc.
| Nullified by Terabyte
| =============================================
|
+---------------------------------------------------------------------------
| THIS IS NOT FREE / OPEN SOURCE SOFTWARE
+---------------------------------------------------------------------------
|
| > Core Module
| > Module written by Brandon Farber
| > Date started: Friday 19th May 2006 17:33
|
| > Module Version Number: 1.0
+--------------------------------------------------------------------------
*/
/**
* IPS Kernel Pages: Cache Object Core
* -- XCache Cache Storage
*
* Basic Usage Examples
* <code>
* $cache = new cache_lib( 'identifier' );
* Update:
* $db->do_put( 'key', 'value' [, 'ttl'] );
* Remove
* $db->do_remove( 'key' );
* Retrieve
* $db->do_get( 'key' );
* </code>
*
* @package IPS_KERNEL
* @subpackage Cache Abstraction
* @author Brandon Mecham
* @version 1.0
*/
class cache_lib
{
var $identifier;
var $crashed = 0;
function cache_lib( $identifier='' )
{
if( !function_exists('xcache_get') )
{
$this->crashed = 1;
return FALSE;
}
if( !$identifier )
{
$this->identifier = md5( uniqid( rand(), TRUE ) );
}
else
{
$this->identifier = $identifier;
}
unset( $identifier );
}
function disconnect()
{
return TRUE;
}
function do_put( $key, $value, $ttl=0 )
{
$ttl = $ttl > 0 ? intval($ttl) : '';
if( $ttl )
{
xcache_set( md5( $this->identifier . $key ),
$value,
$ttl );
}
else
{
xcache_set( md5( $this->identifier . $key ),
$value );
}
}
function do_get( $key )
{
$return_val = "";
if( xcache_isset( md5( $this->identifier . $key ) ) )
{
$return_val = xcache_get( md5( $this->identifier . $key ) );
}
return $return_val;
}
function do_remove( $key )
{
xcache_unset( md5( $this->identifier . $key ) );
}
}
?>