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<?php
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Wolfram Kriesing <wk@visionp.de> |
// | |
// +----------------------------------------------------------------------+//
// $Id: DateTime.php 136857 2003-08-07 07:46:23Z cain $
require_once 'I18N/Format.php';
define( 'I18N_DATETIME_SHORT' , 1 );
define( 'I18N_DATETIME_DEFAULT' , 2 );
define( 'I18N_DATETIME_MEDIUM' , 3 );
define( 'I18N_DATETIME_LONG' , 4 );
define( 'I18N_DATETIME_FULL' , 5 );
/**
*
* @package I18N
*
*/
class I18N_DateTime extends I18N_Format
{
// for ZE2 :-)
/*
const SHORT = 1;
const DEFAULT = 2;
const MEDIUM = 3;
const LONG = 4;
const FULL = 5;
const CUSTOM_FORMATS_OFFSET = 100;
*/
var $days = array( 'Sunday' , 'Monday' , 'Tuesday' , 'Wednesday' , 'Thursday' , 'Friday' , 'Saturday' );
var $daysAbbreviated = array( 'Sun','Mon','Tue','Wed','Thu','Fri','Sat');
var $monthsAbbreviated = array( 'Jan' , 'Feb' , 'Mar' , 'Apr' , 'May' , 'Jun' ,'Jul' , 'Aug' , 'Sep' , 'Oct' , 'Nov' , 'Dec' );
var $months = array(
'January',
'February',
'March',
'April',
'May',
'June',
'July',
'August',
'September',
'October',
'November',
'December'
);
/**
* this var contains the current locale this instace works with
*
* @access protected
* @var string this is a string like 'de_DE' or 'en_US', etc.
*/
var $_locale;
/**
* the locale object which contains all the formatting specs
*
* @access protected
* @var object
*/
var $_localeObj = null;
var $_currentFormat = I18N_DATETIME_DEFAULT;
var $_currentDateFormat = I18N_DATETIME_DEFAULT;
var $_currentTimeFormat = I18N_DATETIME_DEFAULT;
var $_customFormats = array();
/**
* Use this method to setup and to retreive the static instance of the I18N_DateTime.
* <code>
* // setup the object with the proper locale
* I18N_DateTime::singleton($locale);
* // and anywhere in your code you can call the following
* // and you get the instance for this very locale, you specified via singleton()
* $dateTime = I18N_DateTime::singleton();
* </code>
*
* @static
* @access public
* @param string the locale to use, i.e. 'de_DE'
* @return object an instance of this class
*/
function &singleton($locale=null)
{
return I18N_Format::_singleton($locale,__CLASS__);
}
/**
* returns the timestamp formatted according to the locale and the format-mode
* use this method to format a date and time timestamp
*
* @see setFormat()
* @version 02/11/20
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @param int the formatting mode, using setFormat you can add custom formats
* @return string the formatted timestamp
* @access public
*/
function format($timestamp=null,$format=null)
{
return $this->_format($timestamp,$format);
}
/**
* returns the timestamp formatted according to the locale and the format-mode
* use this method to get a formatted date only
*
* @see setDateFormat()
* @version 02/11/20
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @param int the formatting mode, use setDateFormat to add custom formats
* @return string the formatted timestamp
* @access public
*/
function formatDate( $timestamp=null , $format=null )
{
return $this->_formatDateTime($timestamp,$format,'date');
}
/**
* returns the timestamp formatted according to the locale and the format-mode
* use this method to get a formatted time only
*
* @see setTimeFormat()
* @version 02/11/20
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @param int the formatting mode, use setTimeFormat to add custom formats
* @return string the formatted timestamp
* @access public
*/
function formatTime( $timestamp=null , $format=null )
{
return $this->_formatDateTime($timestamp,$format,'time');
}
/**
* formats a timestamp consisting of date and time
* or a custom timestamp, which was set using setFormat
*
* @see setFormat()
* @version 02/11/20
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @param int the format
* @return string the formatted timestamp
* @access private
*/
function _format( $timestamp , $format )
{
if ($format == null){
$format = $this->getFormat();
}
if ($timestamp == null){
$timestamp = time();
}
if ($format >= I18N_CUSTOM_FORMATS_OFFSET) {
if (isset($this->_customFormats[$format])) {
return $this->_translate(date($this->_customFormats[$format],$timestamp));
} else {
$format = I18N_DATETIME_DEFAULT;
}
}
return $this->_formatDateTime($timestamp,$format,'date').' '.
$this->_formatDateTime($timestamp,$format,'time');
}
/**
* this method formats the given timestamp into the given format
*
* @see setFormat()
* @see setDateFormat()
* @see setTimeFormat()
* @version 02/11/20
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @param int the formatting mode, use setTimeFormat to add custom formats
* @param string either 'date' or 'time' so this method knows what it is currently formatting
* @return string the formatted timestamp
* @access private
*/
function _formatDateTime($timestamp,$format,$what)
{
$getFormatMethod = 'get'.ucfirst($what).'Format';
if ($format == null){
$format = $this->$getFormatMethod();
}
if ($timestamp == null){
$timestamp = time();
}
$curFormat = I18N_DATETIME_DEFAULT;// just in case the if's below dont find nothing
$formatArray = $what.'Formats';
if (isset($this->_localeObj->{$formatArray}[$format])) {
$curFormat = $this->_localeObj->{$formatArray}[$format];
} elseif(isset($this->_customFormats[$format])) {
$curFormat = $this->_customFormats[$format];
}
return $this->_translate(date($curFormat,$timestamp));
}
/**
* this simply translates the formatted timestamp into the locale-language
*
* @version 02/11/20
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param string a human readable timestamp, such as 'Monday, August 7 2002'
* @return string the formatted timestamp
* @access private
*/
function _translate( $string )
{
//FIXXME optimize this array, use only those that are in the format string, i.e. if no abbreviated formats are used
// dont put the abbreviated's in this array ....
$translateArrays = array('days','months','daysAbbreviated','monthsAbbreviated');
// this seems a bit difficult i guess,
// but i had problems with the way i did it before, which way simply str_replace the
// src-lang array and the dest-lang array, this caused stuff like
// translating 'Monday' => 'Montag' and then 'Montag' => 'Motag', since 'Mon'
// is the abbreviated weekday for Monday.
// if i would turn it around and translate the abbreviated words first it would screw up worse
// so what i do now is searching for the position of words which can be translated and
// remember the position (using strpos) and dont translate a word at this position a second
// time. this at least prevents the case described above. i hope it covers everything else too
// for me it works quite well now
$translateSrc = array();
$translateDest = array();
$prevPositions = array();
foreach ($translateArrays as $aArray) {
if (isset($this->_localeObj->{$aArray})) {
foreach ($this->{$aArray} as $index=>$aWord) {
if (($pos=strpos($string,$aWord))!==false && !in_array($pos,$prevPositions)) {
$translateSrc[] = $aWord;
$translateDest[] = $this->_localeObj->{$aArray}[$index];
$prevPositions[] = $pos;
}
}
}
}
// here we actually replace the strings (translate:-)) that we found, when checking for their position
$string = str_replace($translateSrc,$translateDest,$string);
return $string;
}
/**
* define a custom format given by $format and return the $format-id
* the format-id can be used to call format( x , format-id ) to
* tell the method you want to use the format with that id
*
* @see format()
* @version 02/11/20
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param string defines a custom format
* @return int the format-id, to be used with the format-method
*/
function setFormat( $format=I18N_DATETIME_DEFAULT )
{
return parent::setFormat( $format );
}
/**
* define a custom format given by $format and return the $format-id
* the format-id can be used to call formatDate( x , format-id ) to
* tell the method you want to use the format with that id
*
* @see formatDate()
* @version 02/11/20
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param string defines a custom format
* @return int the format-id, to be used with the format-method
*/
function setDateFormat( $format=I18N_DATETIME_DEFAULT )
{
return $this->_setFormat( $format , 'date' );
}
/**
* define a custom format given by $format and return the $format-id
* the format-id can be used to call formatTime( x , format-id ) to
* tell the method you want to use the format with that id
*
* @see formatTime()
* @version 02/11/20
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param string defines a custom format
* @return int the format-id, to be used with the format-method
*/
function setTimeFormat( $format=I18N_DATETIME_DEFAULT )
{
return $this->_setFormat( $format , 'time' );
}
/**
*
*/
function getDateFormat()
{
return $this->_currentDateFormat;
}
function getTimeFormat()
{
return $this->_currentTimeFormat;
}
/**
* get either the current or the given month name
*
*/
function getMonthName( $which=null , $abbreviated=false )
{
if ($which==null) {
$which = $date('n')-1;
}
$monthNames = $this->getMonthNames( $abbreviated );
return $monthNames[$which];
}
/**
* get all month names for the current locale
*
* get all month names for the current locale,
* fallback to english if not defined
*
*/
function getMonthNames($abbreviated=false)
{
$propName = 'months'.($abbreviated ? 'Abbreviated' : '' );
return isset($this->_localeObj->$propName) ? $this->_localeObj->$propName : $this->$propName;
}
function getDayNames($abbreviated=false)
{
$propName = 'days'.($abbreviated ? 'Abbreviated' : '' );
return isset($this->_localeObj->$propName) ? $this->_localeObj->$propName : $this->$propName;
}
//
// all the following are simply convienence methods
// which make it shorter to call the format methods with the default
// formats,
// FIXXME we should use overloading here, well with ZE2 we will!!!!
//
// i am not really happy with the following, since it only bloats the code,
// but the methods make sense :-)
//
/**
* convinience method, same as format( $timestamp , I18N_DATETIME_SHORT )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_SHORT
*
* @see format()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatShort( $timestamp=null )
{
return $this->format( $timestamp , I18N_DATETIME_SHORT );
}
/**
* convinience method, same as format( $timestamp , I18N_DATETIME_DEFAULT )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_DEFAULT
*
* @see format()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatDefault( $timestamp=null )
{
return $this->format( $timestamp , I18N_DATETIME_DEFAULT );
}
/**
* convinience method, same as format( $timestamp , I18N_DATETIME_MEDIUM )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_MEDIUM
*
* @see format()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatMedium( $timestamp=null )
{
return $this->format( $timestamp , I18N_DATETIME_MEDIUM );
}
/**
* convinience method, same as format( $timestamp , I18N_DATETIME_LONG )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_LONG
*
* @see format()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatLong( $timestamp=null )
{
return $this->format( $timestamp , I18N_DATETIME_LONG );
}
/**
* convinience method, same as format( $timestamp , I18N_DATETIME_FULL )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_FULL
*
* @see format()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatFull( $timestamp=null )
{
return $this->format( $timestamp , I18N_DATETIME_FULL );
}
/**
* convinience method, same as formatDate( $timestamp , I18N_DATETIME_SHORT )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_SHORT
*
* @see formatDate()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatDateShort( $timestamp=null )
{
return $this->formatDate( $timestamp , I18N_DATETIME_SHORT );
}
/**
* convinience method, same as formatDate( $timestamp , I18N_DATETIME_DEFAULT )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_DEFAULT
*
* @see formatDate()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatDateDefault( $timestamp=null )
{
return $this->formatDate( $timestamp , I18N_DATETIME_DEFAULT );
}
/**
* convinience method, same as formatDate( $timestamp , I18N_DATETIME_MEDIUM )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_MEDIUM
*
* @see formatDate()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatDateMedium( $timestamp=null )
{
return $this->formatDate( $timestamp , I18N_DATETIME_MEDIUM );
}
/**
* convinience method, same as formatDate( $timestamp , I18N_DATETIME_LONG )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_LONG
*
* @see formatDate()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatDateLong( $timestamp=null )
{
return $this->formatDate( $timestamp , I18N_DATETIME_LONG );
}
/**
* convinience method, same as formatDate( $timestamp , I18N_DATETIME_FULL )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_FULL
*
* @see formatDate()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatDateFull( $timestamp=null )
{
return $this->formatDate( $timestamp , I18N_DATETIME_FULL );
}
/**
* convinience method, same as formatTime( $timestamp , I18N_DATETIME_SHORT )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_SHORT
*
* @see formatTime()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatTimeShort( $timestamp=null )
{
return $this->formatTime( $timestamp , I18N_DATETIME_SHORT );
}
/**
* convinience method, same as formatTime( $timestamp , I18N_DATETIME_DEFAULT )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_DEFAULT
*
* @see formatTime()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatTimeDefault( $timestamp=null )
{
return $this->formatTime( $timestamp , I18N_DATETIME_DEFAULT );
}
/**
* convinience method, same as formatTime( $timestamp , I18N_DATETIME_MEDIUM )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_MEDIUM
*
* @see formatTime()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatTimeMedium( $timestamp=null )
{
return $this->formatTime( $timestamp , I18N_DATETIME_MEDIUM );
}
/**
* convinience method, same as formatTime( $timestamp , I18N_DATETIME_LONG )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_LONG
*
* @see formatTime()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatTimeLong( $timestamp=null )
{
return $this->formatTime( $timestamp , I18N_DATETIME_LONG );
}
/**
* convinience method, same as formatTime( $timestamp , I18N_DATETIME_FULL )
*
* this method exists, to have a shorter call to the method
* with a default format I18N_DATETIME_FULL
*
* @see formatTime()
* @version 02/11/28
* @author Wolfram Kriesing <wolfram@kriesing.de>
* @param int a timestamp
* @return string the formatted timestamp
* @access public
*/
function formatTimeFull( $timestamp=null )
{
return $this->formatTime( $timestamp , I18N_DATETIME_FULL );
}
}
?>
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