PHP Decode

<?php
/*
* 2007-2017 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <[email protected]>
*  @copyright  2007-2017 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class DateRangeCore extends ObjectModel
{
    public $time_start;
    public $time_end;

    /**
     * @see ObjectModel::$definition
     */
    public static $definition = array(
        'table' => 'date_range',
        'primary' => 'id_date_range',
        'fields' => array(
            'time_start' => array('type' => self::TYPE_DATE, 'validate' => 'isDate', 'required' => true),
            'time_end' =>    array('type' => self::TYPE_DATE, 'validate' => 'isDate', 'required' => true),
        ),
    );

    public static function getCurrentRange()
    {
        $result = Db::getInstance()->getRow('
		SELECT `id_date_range`, `time_end`
		FROM `'._DB_PREFIX_.'date_range`
		WHERE `time_end` = (SELECT MAX(`time_end`) FROM `'._DB_PREFIX_.'date_range`)');
        if (!$result
            || !$result['id_date_range']
            || strtotime($result['time_end']) < strtotime(date('Y-m-d H:i:s'))
        ) {
            // The default range is set to 1 day less 1 second (in seconds)
            $rangeSize = 86399;
            $dateRange = new DateRange();
            $dateRange->time_start = date('Y-m-d');
            $dateRange->time_end = strftime('%Y-%m-%d %H:%M:%S', strtotime($dateRange->time_start) + $rangeSize);
            $dateRange->add();
            return $dateRange->id;
        }
        return $result['id_date_range'];
    }
}
 ?>