<?php
/**
* contains class DateTime
*
* @copyright Copyright (C) 2003, 2004 Sebastian Mendel <info at sebastianmendel dot de>
*
* @license http://www.opensource.org/licenses/lgpl-license.php
* GNU Lesser General Public License - LGPL
*
* @package phpDateTime
* @author Sebastian Mendel <[email protected]>
* @version $Id: DateTime.class.php,v 1.18 2005/03/08 16:06:40 cybot_tm Exp $
* @source $Source: /cvsroot/phpdatetime/phpDateTime/DateTime.class.php,v $
*
* @uses time.class.php
* @uses date.class.php
*/
/**
* required class-files
*/
require_once 'Time.class.php';
require_once 'Date.class.php';
/**
* Class DateTime
*
* @copyright Copyright (C) 2003, 2004 Sebastian Mendel <info at sebastianmendel dot de>
*
* @license http://www.opensource.org/licenses/lgpl-license.php
* GNU Lesser General Public License - LGPL
*
* @package phpDateTime
* @author Sebastian Mendel <[email protected]>
* @uses Time
* @uses Date
*/
class DateTime
{
/**
* @var object time, time Object of class Time
* @access protected
*/
var $time;
/**
* @var object date, date Object of class Date
* @access protected
*/
var $date;
/**
* DateTime
*
* @access protected
*
* @param string DateTime or Date in form [Date] [Time], e.g. YYYY-MM-DD HH:MM:SS
* @param string Time in form [Time], e.g. HH:MM:SS
*
* @uses split()
* @uses DateTime::setTime()
* @uses DateTime::setDate()
*
* @todo we should add the functionality to determine if given (first) string is time, date or datetime
*
*/
function DateTime($datetime = null, $time = null)
{
return $this->set($datetime, $time);
}
/**
* set
*
* @access public
* @param string DateTime or Date in form [Date] [Time], e.g. YYYY-MM-DD HH:MM:SS
* @param string Time in form [Time], e.g. HH:MM:SS
*
* @uses is_numeric()
* @uses split()
* @uses preg_match()
* @uses DateTime::setTime()
* @uses DateTime::setDate()
* @uses DateTime::get() as return value
* @return DateTime::get()
*
* @todo we should add the functionality to determine if given (first) string is time, date or datetime
*
*/
function set($datetime = null, $time = null)
{
if ( null === $datetime )
{
$this->setTime(0);
$this->setDate(0);
return true;
}
if ( is_numeric($datetime) && $datetime > 0 )
{
// wo do not support mysql-timestamp (YYYYMMDDHHIISS) any more
$date = date('Y-m-d', $datetime);
$_time = date('H:i:s', $datetime);
if ( null === $time )
{
$time = $_time;
}
$this->setTime($time);
$this->setDate($date);
return true;
}
if ( is_a( $datetime, 'DateTime' ) )
{
$this->setTime( $datetime->time );
$this->setDate( $datetime->date );
return true;
}
// is it ISO-Format?
// we expect any sort of '[Date] [Time]'
if ( null === $time )
{
$date_parts = split(' ', $datetime);
$date = $date_parts[0];
if ( isset($date_parts[1]) )
{
$time = $date_parts[1];
}
else
{
$time = 0;
}
}
// @todo add check for UK, US, DIN
$this->setTime($time);
$this->setDate($datetime);
return $this->get();
}
/**
* Sets Time Object
*
* @access public
* @param string|integer|object Time
*
* @uses DateTime::$time
* @uses Time
*/
function setTime( $time = NULL )
{
$this->time = new Time($time);
}
/**
* Sets Date Object
*
* @access public
* @param string|integer|object Date
*
* @uses DateTime::$date
* @uses Date
*/
function setDate( $date = NULL )
{
$this->date = new Date($date);
}
/**
* returns DateTime in standard format (ISO)
*
* @static
* @access public
* @uses Date::get()
* @uses Time::get()
* @uses DateTime::$date
* @uses DateTime::$time
*
* @return string concatenated Date::get() and Time::get()
*/
function get( $datetime = NULL )
{
if ( NULL === $datetime )
{
return $this->date->get() . ' ' . $this->time->get();
}
$datetime = new DateTime( $datetime );
return $datetime->get();
}
/**
* returns DateTime in DIN format
*
* @access public
* @uses Date::getAsDin()
* @uses Time::get()
* @uses DateTime::$date
* @uses DateTime::$time
*
* @return string concatenated Date::getAsdin() and Time::get()
*/
function getAsDin()
{
return $this->date->getAsDin() . ' ' . $this->time->get();
}
/**
* returns UNIX-Timestamp (seconds since unix-epoche)
*
* @access public
* @uses Date::getAsTs()
* @uses Time::getAsSeconds()
* @uses DateTime::$date
* @uses DateTime::$time
*
* @return integer
*/
function getAsTs()
{
return $this->date->getAsTs() + $this->time->getAsSeconds();
}
}
?>
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