cakephp2-php8/libs/cache.php

<?PHP
//////////////////////////////////////////////////////////////////////////
// + $Id$
// +------------------------------------------------------------------+ //
// + Cake <http://sputnik.pl/cake>                                    + //
// + Copyright: (c) 2005 Michal Tatarynowicz                          + //
// +                                                                  + //
// + Author(s): (c) 2005 Michal Tatarynowicz <tatarynowicz@gmail.com> + //
// +                                                                  + //
// +------------------------------------------------------------------+ //
// + Licensed under the Public Domain Licence                         + //
// +------------------------------------------------------------------+ //
//////////////////////////////////////////////////////////////////////////

/**
  * Purpose: Cache
  * Description:
  * 
  * @filesource 
  * @modifiedby $LastChangedBy$  
  * @lastmodified $Date$
  * @author Michal Tatarynowicz <tatarynowicz@gmail.com>
  * @copyright Copyright (c) 2005, Michal Tatarynowicz <tatarynowicz@gmail.com>
  * @package cake
  * @subpackage cake.libs
  * @since Cake v 0.2.9
  * @version $Revision$
  * @license Public_Domain
  *
  */

/**
  * Enter description here...
  *
  */
uses('model');

/**
  * Enter description here...
  *
  *
  * @package cake
  * @subpackage cake.libs
  * @since Cake v 0.2.9
  *
  */
class Cache extends Model {

/**
  * Enter description here...
  *
  * @var unknown_type
  */
    var $id = null;

/**
  * Enter description here...
  *
  * @var unknown_type
  */
    var $data = null;

/**
  * Enter description here...
  *
  * @var unknown_type
  */
    var $for_caching = null;

/**
  * Enter description here...
  *
  * @var unknown_type
  */
    var $use_table = 'cache';

/**
  * Enter description here...
  *
  * @param unknown_type $id
  */
    function __construct ($id) {
        $this->id = (md5($id));
        parent::__construct($this->id);
    }

/**
  * Enter description here...
  *
  * @param unknown_type $id
  * @return unknown
  */
    function id ($id=null) {
        if (!$id) return $this->id;
        return ($this->id = $id);
    }

/**
  * Enter description here...
  *
  * @param unknown_type $content
  * @param unknown_type $keep_for
  * @return unknown
  */
    function remember ($content, $keep_for=CACHE_PAGES_FOR) {
        $data = addslashes($this->for_caching.$content);
        $expire = date("Y-m-d H:i:s",time()+($keep_for>0? $keep_for: 999999999));
        return $this->query("REPLACE {$this->use_table} (id,data,expire) VALUES ('{$this->id}', '{$data}', '{$expire}')");
    }

/**
  * Enter description here...
  *
  * @return unknown
  */
    function restore () {
        if (empty($this->data['data']))
        return $this->find("id='{$this->id}' AND expire>NOW()");

        return $this->data['data'];
    }

/**
  * Enter description here...
  *
  * @return unknown
  */
    function has () {
        return is_array($this->data = $this->find("id='{$this->id}' AND expire>NOW()"));
    }

/**
  * Enter description here...
  *
  * @param unknown_type $string
  */
    function append ($string) {
        $this->for_caching .= $string;
    }

/**
  * Enter description here...
  *
  * @return unknown
  */
    function clear () {
        return $this->query("DELETE FROM {$this->use_table}");
    }
}

?>