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<?php/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */// {{{ Header/*** Class to convert date strings between Gregorian and Human calendar formats** The Human Calendar format has been proposed by Scott Flansburg and can be* explained as follows:* The year is made up of 13 months* Each month has 28 days* Counting of months starts from 0 (zero) so the months will run from 0 to 12* New Years day (00) is a monthless day* Note: Leap Years are not yet accounted for in the Human Calendar system** PHP versions 4 and 5** LICENSE:** Copyright (c) 1997-2006 Allan Kent* All rights reserved.** Redistribution and use in source and binary forms, with or without* modification, are permitted under the terms of the BSD License.** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE* POSSIBILITY OF SUCH DAMAGE.** @category Date and Time* @package Date* @author Allan Kent <allan@lodestone.co.za>* @copyright 1997-2006 Allan Kent* @license http://www.opensource.org/licenses/bsd-license.php* BSD License* @version CVS: $Id: Human.php,v 1.6 2006/11/21 17:38:15 firman Exp $* @link http://pear.php.net/package/Date* @since File available since Release 1.3*/// }}}// {{{ Class: Date_Human/*** Class to convert date strings between Gregorian and Human calendar formats** The Human Calendar format has been proposed by Scott Flansburg and can be* explained as follows:* The year is made up of 13 months* Each month has 28 days* Counting of months starts from 0 (zero) so the months will run from 0 to 12* New Years day (00) is a monthless day* Note: Leap Years are not yet accounted for in the Human Calendar system** @author Allan Kent <allan@lodestone.co.za>* @copyright 1997-2005 Allan Kent* @license http://www.opensource.org/licenses/bsd-license.php* BSD License* @version Release: 1.4.7* @link http://pear.php.net/package/Date* @since Class available since Release 1.3*/class Date_Human{// {{{ gregorianToHuman()/*** Returns an associative array containing the converted date information* in 'Human Calendar' format.** @param int day in DD format, default current local day* @param int month in MM format, default current local month* @param int year in CCYY format, default to current local year** @access public** @return associative array(* hdom, // Human Day Of Month, starting at 1* hdow, // Human Day Of Week, starting at 1* hwom, // Human Week of Month, starting at 1* hwoy, // Human Week of Year, starting at 1* hmoy, // Human Month of Year, starting at 0* )** If the day is New Years Day, the function will return* "hdom" => 0* "hdow" => 0* "hwom" => 0* "hwoy" => 0* "hmoy" => -1* Since 0 is a valid month number under the Human Calendar, I have left* the month as -1 for New Years Day.*/function gregorianToHuman($day=0, $month=0, $year=0){/** Check to see if any of the arguments are empty* If they are then populate the $dateinfo array* Then check to see which arguments are empty and fill* those with the current date info*/if ((empty($day) || (empty($month)) || empty($year))) {$dateinfo = getdate(time());}if (empty($day)) {$day = $dateinfo["mday"];}if (empty($month)) {$month = $dateinfo["mon"];}if (empty($year)) {$year = $dateinfo["year"];}/** We need to know how many days into the year we are*/$dateinfo = getdate(mktime(0, 0, 0, $month, $day, $year));$dayofyear = $dateinfo["yday"];/** Human Calendar starts at 0 for months and the first day of the year* is designated 00, so we need to start our day of the year at 0 for* these calculations.* Also, the day of the month is calculated with a modulus of 28.* Because a day is 28 days, the last day of the month would have a* remainder of 0 and not 28 as it should be. Decrementing $dayofyear* gets around this.*/$dayofyear--;/** 28 days in a month...*/$humanMonthOfYear = floor($dayofyear / 28);/** If we are in the first month then the day of the month is $dayofyear* else we need to find the modulus of 28.*/if ($humanMonthOfYear == 0) {$humanDayOfMonth = $dayofyear;} else {$humanDayOfMonth = ($dayofyear) % 28;}/** Day of the week is modulus 7*/$humanDayOfWeek = $dayofyear % 7;/** We can now increment $dayofyear back to it's correct value for* the remainder of the calculations*/$dayofyear++;/** $humanDayOfMonth needs to be incremented now - recall that we fudged* it a bit by decrementing $dayofyear earlier* Same goes for $humanDayOfWeek*/$humanDayOfMonth++;$humanDayOfWeek++;/** Week of the month is day of the month divided by 7, rounded up* Same for week of the year, but use $dayofyear instead $humanDayOfMonth*/$humanWeekOfMonth = ceil($humanDayOfMonth / 7);$humanWeekOfYear = ceil($dayofyear / 7);/** Return an associative array of the values*/return array("hdom" => $humanDayOfMonth,"hdow" => $humanDayOfWeek,"hwom" => $humanWeekOfMonth,"hwoy" => $humanWeekOfYear,"hmoy" => $humanMonthOfYear );}// }}}// {{{ humanToGregorian()/*** Returns unix timestamp for a given Human Calendar date** @param int day in DD format* @param int month in MM format* @param int year in CCYY format, default to current local year** @access public** @return int unix timestamp of date*/function humanToGregorian($day, $month, $year=0){/** Check to see if the year has been passed through.* If not get current year*/if (empty($year)) {$dateinfo = getdate(time());$year = $dateinfo["year"];}/** We need to get the day of the year that we are currently at so that* we can work out the Gregorian Month and day*/$DayOfYear = $month * 28;$DayOfYear += $day;/** Human Calendar starts at 0, so we need to increment $DayOfYear* to take into account the day 00*/$DayOfYear++;/** the mktime() function will correctly calculate the date for out of* range values, so putting $DayOfYear instead of the day of the month* will work fine.*/$GregorianTimeStamp = mktime(0, 0, 0, 1, $DayOfYear, $year);return $GregorianTimeStamp;}// }}}}// }}}/** Local variables:* mode: php* tab-width: 4* c-basic-offset: 4* c-hanging-comment-ender-p: nil* End:*/?>