helper.php

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<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Cache
 *
 * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * Cache storage helper functions.
 *
 * @package     Joomla.Platform
 * @subpackage  Cache
 * @since       11.1
 */
class JCacheStorageHelper
{
        /**
         * Cache data group
         *
         * @var    string
         * @since  11.1
         */
        public $group = '';

        /**
         * Cached item size
         *
         * @var    string
         * @since  11.1
         */
        public $size = 0;

        /**
         * Counter
         *
         * @var    integer
         * @since  11.1
         */
        public $count = 0;

        /**
         * Constructor
         *
         * @param   string  $group  The cache data group
         *
         * @since   11.1
         */
        public function __construct($group)
        {
                $this->group = $group;
        }

        /**
         * Increase cache items count.
         *
         * @param   string  $size  Cached item size
         *
         * @return  void
         *
         * @since   11.1
         */
        public function updateSize($size)
        {
                $this->size = number_format($this->size + $size, 2, '.', '');
                $this->count++;
        }
}