mirror of
https://github.com/ACSPRI/queXS
synced 2024-04-02 12:12:16 +00:00
365 lines
10 KiB
PHP
365 lines
10 KiB
PHP
<?php
|
|
/* vim: set expandtab tabstop=4 shiftwidth=4: */
|
|
//
|
|
// +----------------------------------------------------------------------+
|
|
// | PHP Version 4 |
|
|
// +----------------------------------------------------------------------+
|
|
// | Copyright (c) 1997-2002 The PHP Group |
|
|
// +----------------------------------------------------------------------+
|
|
// | This source file is subject to version 2.02 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/3_0.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: Harry Fuecks <hfuecks@phppatterns.com> |
|
|
// +----------------------------------------------------------------------+
|
|
//
|
|
// $Id: UnixTS.php,v 1.9 2004/08/20 20:00:55 quipo Exp $
|
|
//
|
|
/**
|
|
* @package Calendar
|
|
* @version $Id: UnixTS.php,v 1.9 2004/08/20 20:00:55 quipo Exp $
|
|
*/
|
|
/**
|
|
* Performs calendar calculations based on the PHP date() function and
|
|
* Unix timestamps (using PHP's mktime() function).
|
|
* @package Calendar
|
|
* @access protected
|
|
*/
|
|
class Calendar_Engine_UnixTS /* implements Calendar_Engine_Interface */
|
|
{
|
|
/**
|
|
* Makes sure a given timestamp is only ever parsed once
|
|
* <pre>
|
|
* array (
|
|
* [0] => year (e.g 2003),
|
|
* [1] => month (e.g 9),
|
|
* [2] => day (e.g 6),
|
|
* [3] => hour (e.g 14),
|
|
* [4] => minute (e.g 34),
|
|
* [5] => second (e.g 45),
|
|
* [6] => num days in month (e.g. 31),
|
|
* [7] => week in year (e.g. 50),
|
|
* [8] => day in week (e.g. 0 for Sunday)
|
|
* )
|
|
* </pre>
|
|
* Uses a static variable to prevent date() being used twice
|
|
* for a date which is already known
|
|
* @param int Unix timestamp
|
|
* @return array
|
|
* @access protected
|
|
*/
|
|
function stampCollection($stamp)
|
|
{
|
|
static $stamps = array();
|
|
if ( !isset($stamps[$stamp]) ) {
|
|
$date = @date('Y n j H i s t W w',$stamp);
|
|
$stamps[$stamp] = sscanf($date, "%d %d %d %d %d %d %d %d %d");
|
|
}
|
|
return $stamps[$stamp];
|
|
}
|
|
|
|
/**
|
|
* Returns a numeric year given a timestamp
|
|
* @param int Unix timestamp
|
|
* @return int year (e.g. 2003)
|
|
* @access protected
|
|
*/
|
|
function stampToYear($stamp)
|
|
{
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return (int)$date[0];
|
|
}
|
|
|
|
/**
|
|
* Returns a numeric month given a timestamp
|
|
* @param int Unix timestamp
|
|
* @return int month (e.g. 9)
|
|
* @access protected
|
|
*/
|
|
function stampToMonth($stamp)
|
|
{
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return (int)$date[1];
|
|
}
|
|
|
|
/**
|
|
* Returns a numeric day given a timestamp
|
|
* @param int Unix timestamp
|
|
* @return int day (e.g. 15)
|
|
* @access protected
|
|
*/
|
|
function stampToDay($stamp)
|
|
{
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return (int)$date[2];
|
|
}
|
|
|
|
/**
|
|
* Returns a numeric hour given a timestamp
|
|
* @param int Unix timestamp
|
|
* @return int hour (e.g. 13)
|
|
* @access protected
|
|
*/
|
|
function stampToHour($stamp)
|
|
{
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return (int)$date[3];
|
|
}
|
|
|
|
/**
|
|
* Returns a numeric minute given a timestamp
|
|
* @param int Unix timestamp
|
|
* @return int minute (e.g. 34)
|
|
* @access protected
|
|
*/
|
|
function stampToMinute($stamp)
|
|
{
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return (int)$date[4];
|
|
}
|
|
|
|
/**
|
|
* Returns a numeric second given a timestamp
|
|
* @param int Unix timestamp
|
|
* @return int second (e.g. 51)
|
|
* @access protected
|
|
*/
|
|
function stampToSecond($stamp)
|
|
{
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return (int)$date[5];
|
|
}
|
|
|
|
/**
|
|
* Returns a timestamp
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @param int day (13)
|
|
* @param int hour (13)
|
|
* @param int minute (34)
|
|
* @param int second (53)
|
|
* @return int Unix timestamp
|
|
* @access protected
|
|
*/
|
|
function dateToStamp($y, $m, $d, $h=0, $i=0, $s=0)
|
|
{
|
|
static $dates = array();
|
|
if ( !isset($dates[$y][$m][$d][$h][$i][$s]) ) {
|
|
$dates[$y][$m][$d][$h][$i][$s] = @mktime($h, $i, $s, $m, $d, $y);
|
|
}
|
|
return $dates[$y][$m][$d][$h][$i][$s];
|
|
}
|
|
|
|
/**
|
|
* The upper limit on years that the Calendar Engine can work with
|
|
* @return int (2037)
|
|
* @access protected
|
|
*/
|
|
function getMaxYears()
|
|
{
|
|
return 2037;
|
|
}
|
|
|
|
/**
|
|
* The lower limit on years that the Calendar Engine can work with
|
|
* @return int (1970 if it's Windows and 1902 for all other OSs)
|
|
* @access protected
|
|
*/
|
|
function getMinYears()
|
|
{
|
|
return $min = strpos(PHP_OS, 'WIN') === false ? 1902 : 1970;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of months in a year
|
|
* @return int (12)
|
|
* @access protected
|
|
*/
|
|
function getMonthsInYear($y=null)
|
|
{
|
|
return 12;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of days in a month, given year and month
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @return int days in month
|
|
* @access protected
|
|
*/
|
|
function getDaysInMonth($y, $m)
|
|
{
|
|
$stamp = Calendar_Engine_UnixTS::dateToStamp($y,$m,1);
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return $date[6];
|
|
}
|
|
|
|
/**
|
|
* Returns numeric representation of the day of the week in a month,
|
|
* given year and month
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @return int from 0 to 6
|
|
* @access protected
|
|
*/
|
|
function getFirstDayInMonth($y, $m)
|
|
{
|
|
$stamp = Calendar_Engine_UnixTS::dateToStamp($y,$m,1);
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return $date[8];
|
|
}
|
|
|
|
/**
|
|
* Returns the number of days in a week
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @param int day (4)
|
|
* @return int (7)
|
|
* @access protected
|
|
*/
|
|
function getDaysInWeek($y=NULL, $m=NULL, $d=NULL)
|
|
{
|
|
return 7;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of the week in the year (ISO-8601), given a date
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @param int day (4)
|
|
* @return int week number
|
|
* @access protected
|
|
*/
|
|
function getWeekNInYear($y, $m, $d)
|
|
{
|
|
$stamp = Calendar_Engine_UnixTS::dateToStamp($y,$m,$d);
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return $date[7];
|
|
}
|
|
|
|
/**
|
|
* Returns the number of the week in the month, given a date
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @param int day (4)
|
|
* @param int first day of the week (default: monday)
|
|
* @return int week number
|
|
* @access protected
|
|
*/
|
|
function getWeekNInMonth($y, $m, $d, $firstDay=1)
|
|
{
|
|
$weekEnd = ($firstDay == 0) ? $this->getDaysInWeek()-1 : $firstDay-1;
|
|
$end_of_week = 1;
|
|
while (@date('w', @mktime(0, 0, 0, $m, $end_of_week, $y)) != $weekEnd) {
|
|
++$end_of_week; //find first weekend of the month
|
|
}
|
|
$w = 1;
|
|
while ($d > $end_of_week) {
|
|
++$w;
|
|
$end_of_week += $this->getDaysInWeek();
|
|
}
|
|
return $w;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of weeks in the month
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @param int first day of the week (default: monday)
|
|
* @return int weeks number
|
|
* @access protected
|
|
*/
|
|
function getWeeksInMonth($y, $m, $firstDay=1)
|
|
{
|
|
$FDOM = $this->getFirstDayInMonth($y, $m);
|
|
if ($FDOM == 0) {
|
|
$FDOM = $this->getDaysInWeek();
|
|
}
|
|
if ($FDOM > $firstDay) {
|
|
$daysInTheFirstWeek = $this->getDaysInWeek() - $FDOM + $firstDay;
|
|
$weeks = 1;
|
|
} else {
|
|
$daysInTheFirstWeek = $firstDay - $FDOM;
|
|
$weeks = 0;
|
|
}
|
|
$daysInTheFirstWeek %= $this->getDaysInWeek();
|
|
return (int)(ceil(($this->getDaysInMonth($y, $m) - $daysInTheFirstWeek) /
|
|
$this->getDaysInWeek()) + $weeks);
|
|
}
|
|
|
|
/**
|
|
* Returns the number of the day of the week (0=sunday, 1=monday...)
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @param int day (4)
|
|
* @return int weekday number
|
|
* @access protected
|
|
*/
|
|
function getDayOfWeek($y, $m, $d)
|
|
{
|
|
$stamp = Calendar_Engine_UnixTS::dateToStamp($y,$m,$d);
|
|
$date = Calendar_Engine_UnixTS::stampCollection($stamp);
|
|
return $date[8];
|
|
}
|
|
|
|
/**
|
|
* Returns a list of integer days of the week beginning 0
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @param int day (4)
|
|
* @return array (0,1,2,3,4,5,6) 1 = Monday
|
|
* @access protected
|
|
*/
|
|
function getWeekDays($y=NULL, $m=NULL, $d=NULL)
|
|
{
|
|
return array(0, 1, 2, 3, 4, 5, 6);
|
|
}
|
|
|
|
/**
|
|
* Returns the default first day of the week
|
|
* @param int year (2003)
|
|
* @param int month (9)
|
|
* @param int day (4)
|
|
* @return int (default 1 = Monday)
|
|
* @access protected
|
|
*/
|
|
function getFirstDayOfWeek($y=NULL, $m=NULL, $d=NULL)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of hours in a day
|
|
* @return int (24)
|
|
* @access protected
|
|
*/
|
|
function getHoursInDay($y=null,$m=null,$d=null)
|
|
{
|
|
return 24;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of minutes in an hour
|
|
* @return int (60)
|
|
* @access protected
|
|
*/
|
|
function getMinutesInHour($y=null,$m=null,$d=null,$h=null)
|
|
{
|
|
return 60;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of seconds in a minutes
|
|
* @return int (60)
|
|
* @access protected
|
|
*/
|
|
function getSecondsInMinute($y=null,$m=null,$d=null,$h=null,$i=null)
|
|
{
|
|
return 60;
|
|
}
|
|
}
|
|
?>
|