<?php/** * Piwik - Open source web analytics *  * @link http://piwik.org * @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later * @version $Id: API.php 518 2008-06-09 00:44:10Z matt $ *  * @package Piwik_VisitTime */	/** *  * @package Piwik_VisitTime */	class Piwik_VisitTime_API extends Piwik_Apiable{	static private $instance = null;	static public function getInstance()	{		if (self::$instance == null)		{            			$c = __CLASS__;			self::$instance = new $c();		}		return self::$instance;	}		protected function getDataTable($name, $idSite, $period, $date )	{		Piwik::checkUserHasViewAccess( $idSite );				$archive = Piwik_Archive::build($idSite, $period, $date );		$dataTable = $archive->getDataTable($name);		$dataTable->queueFilter('Piwik_DataTable_Filter_ColumnCallbackReplace', array('label', 'Piwik_getTimeLabel'));		$dataTable->queueFilter('Piwik_DataTable_Filter_ReplaceColumnNames');						return $dataTable;	}		public function getVisitInformationPerLocalTime( $idSite, $period, $date )	{		return $this->getDataTable('VisitTime_localTime', $idSite, $period, $date );	}		public function getVisitInformationPerServerTime( $idSite, $period, $date )	{		return $this->getDataTable('VisitTime_serverTime', $idSite, $period, $date );	}}function Piwik_getTimeLabel($label){	return sprintf(Piwik_Translate('VisitTime_NHour'), $label);}