PHP Date_Calc::dateFormat方法代码示例

 /**
  * Calculates the date of the Nth weekday of the month,
  * such as the second Saturday of January 2000.
  *
  * @param string occurance: 1=first, 2=second, 3=third, etc.
  * @param string dayOfWeek: 0=Sunday, 1=Monday, etc.
  * @param string year in format CCYY
  * @param string month in format MM
  * @param string format for returned date
  *
  * @access public
  *
  * @return string date in given format
  */
 function NWeekdayOfMonth($occurance, $dayOfWeek, $month, $year, $format = "%Y%m%d")
 {
     $year = sprintf("%04d", $year);
     $month = sprintf("%02d", $month);
     $DOW1day = sprintf("%02d", ($occurance - 1) * 7 + 1);
     $DOW1 = Date_Calc::dayOfWeek($DOW1day, $month, $year);
     $wdate = ($occurance - 1) * 7 + 1 + (7 + $dayOfWeek - $DOW1) % 7;
     if ($wdate > Date_Calc::daysInMonth($month, $year)) {
         return -1;
     } else {
         return Date_Calc::dateFormat($wdate, $month, $year, $format);
     }
 }

 /**
  * Calculates the date of the Nth weekday of the month,
  * such as the second Saturday of January 2000.
  *
  * @param string occurance: 1=first, 2=second, 3=third, etc.
  * @param string dayOfWeek: 0=Sunday, 1=Monday, etc.
  * @param string year in format CCYY
  * @param string month in format MM
  * @param string format for returned date
  *
  * @access public
  *
  * @return string date in given format
  */
 public function NWeekdayOfMonth($occurance, $dayOfWeek, $month, $year, $format = "%Y-%m-%d")
 {
     $year = sprintf("%04d", $year);
     $month = sprintf("%02d", $month);
     $DOW1day = sprintf("%02d", ($occurance - 1) * 7 + 1);
     $DOW1 = Date_Calc::dayOfWeek($DOW1day, $month, $year);
     $wdate = ($occurance - 1) * 7 + 1 + (7 + $dayOfWeek - $DOW1) % 7;
     if ($wdate > Date_Calc::daysInMonth($month, $year)) {
         if ($occurance == 5) {
             // Getting the last day overshot the month, go back a week
             $wdate -= 7;
             return Date_Calc::dateFormat($wdate, $month, $year, $format);
         } else {
             // For $occurance === 1 through 4 this is an error
             return -1;
         }
     } else {
         return Date_Calc::dateFormat($wdate, $month, $year, $format);
     }
 }

 /**
  * Calculates the date of the Nth weekday of the month,
  * such as the second Saturday of January 2000
  *
  * @param int    $week   the number of the week to get
  *                        (1 = first, etc.  Also can be 'last'.)
  * @param int    $dow    the day of the week (0 = Sunday)
  * @param int    $month  the month
  * @param int    $year   the year.  Use the complete year instead of the
  *                        abbreviated version.  E.g. use 2005, not 05.
  * @param string $format the string indicating how to format the output
  *
  * @return   string     the date in the desired format
  * @access   public
  * @static
  */
 function nWeekdayOfMonth($week, $dow, $month, $year, $format = DATE_CALC_FORMAT)
 {
     if (is_numeric($week)) {
         $DOW1day = ($week - 1) * 7 + 1;
         $DOW1 = Date_Calc::dayOfWeek($DOW1day, $month, $year);
         $wdate = ($week - 1) * 7 + 1 + (7 + $dow - $DOW1) % 7;
         if ($wdate > Date_Calc::daysInMonth($month, $year)) {
             return -1;
         } else {
             return Date_Calc::dateFormat($wdate, $month, $year, $format);
         }
     } elseif ($week == 'last' && $dow < 7) {
         $lastday = Date_Calc::daysInMonth($month, $year);
         $lastdow = Date_Calc::dayOfWeek($lastday, $month, $year);
         $diff = $dow - $lastdow;
         if ($diff > 0) {
             return Date_Calc::dateFormat($lastday - (7 - $diff), $month, $year, $format);
         } else {
             return Date_Calc::dateFormat($lastday + $diff, $month, $year, $format);
         }
     } else {
         return -1;
     }
 }

 /**
  * Is the given date/time in DST for this time zone
  *
  * Works for all years, positive and negative.  Possible problems
  * are that when the clocks go forward, there is an invalid hour
  * which is skipped.  If a time in this hour is specified, this
  * function returns an error.  When the clocks go back, there is an
  * hour which is repeated, that is, the hour is gone through twice -
  * once in Summer time and once in standard time.  If this time
  * is specified, then this function returns '$pb_repeatedhourdefault',
  * because there is no way of knowing which is correct, and
  * both possibilities are equally likely.
  *
  * Also bear in mind that the clocks go forward at the instant of
  * the hour specified in the time-zone array below, and if this
  * exact hour is specified then the clocks have actually changed,
  * and this function reflects this.
  *
  * @param object $pm_date                Date object to test or array of
  *                                        day, month, year, seconds past
  *                                        midnight
  * @param bool   $pb_repeatedhourdefault value to return if repeated hour is
  *                                        specified (defaults to false)
  *
  * @return   bool       true if this date is in Summer time for this time
  *                       zone
  * @access   public
  */
 function inDaylightTime($pm_date, $pb_repeatedhourdefault = false)
 {
     if (!$this->hasdst) {
         return false;
     }
     if (is_a($pm_date, "Date")) {
         $hn_day = $pm_date->getDay();
         $hn_month = $pm_date->getMonth();
         $hn_year = $pm_date->getYear();
         $hn_seconds = $pm_date->getSecondsPastMidnight();
     } else {
         $hn_day = $pm_date[0];
         $hn_month = $pm_date[1];
         $hn_year = $pm_date[2];
         $hn_seconds = $pm_date[3];
         // seconds past midnight
     }
     if ($this->on_summertimestartmonth < $this->on_summertimeendmonth && $hn_month >= $this->on_summertimestartmonth && $hn_month <= $this->on_summertimeendmonth || $this->on_summertimestartmonth > $this->on_summertimeendmonth && $hn_month >= $this->on_summertimestartmonth && $hn_month <= $this->on_summertimeendmonth) {
         if ($hn_month == $this->on_summertimestartmonth) {
             $hn_startday = $this->getSummerTimeLimitDay($this->os_summertimestartday, $this->on_summertimestartmonth, $hn_year);
             if ($hn_day < $hn_startday) {
                 return false;
             } else {
                 if ($hn_day > $hn_startday) {
                     return true;
                 } else {
                     if (($hn_gmt = $hn_seconds * 1000 - $this->offset) - $this->on_summertimeoffset >= $this->on_summertimestarttime) {
                         return true;
                     } else {
                         if (($hn_gmt = $hn_seconds * 1000 - $this->offset) >= $this->on_summertimestarttime) {
                             return PEAR::raiseError("Invalid time specified for date '" . Date_Calc::dateFormat($hn_day, $hn_month, $hn_year, "%Y-%m-%d") . "'", DATE_ERROR_INVALIDTIME);
                         } else {
                             return false;
                         }
                     }
                 }
             }
         } else {
             if ($hn_month == $this->on_summertimeendmonth) {
                 $hn_endday = $this->getSummerTimeLimitDay($this->os_summertimeendday, $this->on_summertimeendmonth, $hn_year);
                 if ($hn_day < $hn_endday) {
                     return true;
                 } else {
                     if ($hn_day > $hn_endday) {
                         return false;
                     } else {
                         if (($hn_gmt = $hn_seconds * 1000 - $this->offset) - $this->on_summertimeoffset >= $this->on_summertimeendtime) {
                             return false;
                         } else {
                             if ($hn_gmt >= $this->on_summertimeendtime) {
                                 // There is a 50:50 chance that it's Summer time, but there
                                 // is no way of knowing (the hour is repeated), so return
                                 // default:
                                 //
                                 return $pb_repeatedhourdefault;
                             } else {
                                 return true;
                             }
                         }
                     }
                 }
             }
         }
         return true;
     }
     return false;
 }

 /**
  * Sets all the fields of the date object (day, month, year, hour, minute
  * and second)
  *
  * If specified year forms an invalid date, then PEAR error will be
  * returned.  Note that setting each of these fields separately
  * may unintentionally return a PEAR error if a transitory date is
  * invalid between setting these fields.
  *
  * N.B. if the repeated hour, due to the clocks going back, is specified,
  * the default is to assume local standard time.
  *
  * @param int   $pn_day                 the day
  * @param int   $pn_month               the month
  * @param int   $pn_year                the year
  * @param int   $pn_hour                the hour
  * @param int   $pn_minute              the minute
  * @param mixed $pm_second              the second as integer or float
  * @param bool  $pb_repeatedhourdefault whether to assume Summer time if a
  *                                       repeated hour is specified
  *                                       (defaults to false)
  *
  * @return   void
  * @access   public
  * @see      Date::setDayMonthYear(), Date::setHourMinuteSecond()
  * @since    Method available since Release 1.5.0
  */
 function setDateTime($pn_day, $pn_month, $pn_year, $pn_hour, $pn_minute, $pm_second, $pb_repeatedhourdefault = false)
 {
     if (!Date_Calc::isValidDate($d, $m, $y)) {
         return PEAR::raiseError("'" . Date_Calc::dateFormat($d, $m, $y, "%Y-%m-%d") . "' is invalid calendar date", DATE_ERROR_INVALIDDATE);
     } else {
         // Split second into integer and part-second:
         //
         if (is_float($pm_second)) {
             $hn_second = intval($pm_second);
             $hn_partsecond = $pm_second - $hn_second;
         } else {
             $hn_second = (int) $pm_second;
             $hn_partsecond = 0.0;
         }
         $this->setLocalTime($d, $m, $y, $h, $m, $hn_second, $hn_partsecond, $pb_repeatedhourdefault);
     }
 }

function calculateEvents($days, $events, $viewtype)
{
    $date = postcalendar_getDate();
    $cy = substr($date, 0, 4);
    $cm = substr($date, 4, 2);
    $cd = substr($date, 6, 2);
    foreach ($events as $event) {
        // get the name of the topic
        $topicname = pcGetTopicName($event['topic']);
        // parse the event start date
        list($esY, $esM, $esD) = explode('-', $event['eventDate']);
        // grab the recurring specs for the event
        $event_recurrspec = @unserialize($event['recurrspec']);
        // determine the stop date for this event
        if ($event['endDate'] == '0000-00-00') {
            $stop = $end_date;
            // <--- this isn't previously defined !!
        } else {
            $stop = $event['endDate'];
        }
        // here the start_date value is set to whatever comes in
        // on postcalendar_getDate() which is not always the first
        // date of the days array -- JRM
        $start_date = "{$cy}-{$cm}-{$cd}";
        // here we've made the start_date equal to the first date
        // of the days array, makes sense, right? -- JRM
        $days_keys = array_keys($days);
        $start_date = $days_keys[0];
        // Optimization of the stop date to not be much later than required.
        $tmpsecs = strtotime($start_date);
        if ($viewtype == 'day') {
            $tmpsecs += 3 * 24 * 3600;
        } else {
            if ($viewtype == 'week') {
                $tmpsecs += 9 * 24 * 3600;
            } else {
                if ($viewtype == 'month') {
                    $tmpsecs += 34 * 24 * 3600;
                } else {
                    $tmpsecs += 367 * 24 * 3600;
                }
            }
        }
        $tmp = date('Y-m-d', $tmpsecs);
        if ($stop > $tmp) {
            $stop = $tmp;
        }
        $eventD = $event['eventDate'];
        $eventS = $event['startTime'];
        switch ($event['recurrtype']) {
            //==============================================================
            //  Events that do not repeat only have a startday
            //==============================================================
            case NO_REPEAT:
                if (isset($days[$event['eventDate']])) {
                    array_push($days[$event['eventDate']], $event);
                    if ($viewtype == "week") {
                        //echo "non repeating date eventdate: $eventD  startime:$eventS block #: " . getBlockTime($eventS) ."<br />";
                        fillBlocks($eventD, $days);
                        //echo "for $eventD loading " . getBlockTime($eventS) . "<br /><br />";
                        $gbt = getBlockTime($eventS);
                        $days[$eventD]['blocks'][$gbt][$eventD][] = $event;
                        //echo "event is: " . print_r($days[$eventD]['blocks'][$gbt],true) . " <br />";
                        //echo "begin printing blocks for $eventD<br />";
                        //print_r($days[$eventD]['blocks']);
                        //echo "end printing blocks<br />";
                    }
                }
                break;
                //==============================================================
                //  Find events that repeat at a certain frequency
                //  Every,Every Other,Every Third,Every Fourth
                //  Day,Week,Month,Year,MWF,TR,M-F,SS
                //==============================================================
            //==============================================================
            //  Find events that repeat at a certain frequency
            //  Every,Every Other,Every Third,Every Fourth
            //  Day,Week,Month,Year,MWF,TR,M-F,SS
            //==============================================================
            case REPEAT:
                $rfreq = $event_recurrspec['event_repeat_freq'];
                $rtype = $event_recurrspec['event_repeat_freq_type'];
                $exdate = $event_recurrspec['exdate'];
                // this attribute follows the iCalendar spec http://www.ietf.org/rfc/rfc2445.txt
                // we should bring the event up to date to make this a tad bit faster
                // any ideas on how to do that, exactly??? dateToDays probably.
                $nm = $esM;
                $ny = $esY;
                $nd = $esD;
                $occurance = Date_Calc::dateFormat($nd, $nm, $ny, '%Y-%m-%d');
                while ($occurance < $start_date) {
                    $occurance =& __increment($nd, $nm, $ny, $rfreq, $rtype);
                    list($ny, $nm, $nd) = explode('-', $occurance);
                }
                while ($occurance <= $stop) {
                    if (isset($days[$occurance])) {
                        // check for date exceptions before pushing the event into the days array -- JRM
                        $excluded = false;
                        if (isset($exdate)) {
                            foreach (explode(",", $exdate) as $exception) {
//.........这里部分代码省略.........

 /**
  * Generate the HTML_Table object of the calendar
  *
  * @param day   day of the calendar to generate, null = today's day
  * @param month month of the calendar to generate, null = today's  month
  * @param year  year of the calendar to generate, null = today's year
  *
  * @access public
  * @return the HTML_Table object of the calendar
  */
 function generateTable($day = null, $month = null, $year = null)
 {
     if (empty($year)) {
         $year = Date_Calc::dateNow('%Y');
     }
     if (empty($month)) {
         $month = Date_Calc::dateNow('%m');
     }
     if (empty($day)) {
         $day = Date_Calc::dateNow('%d');
     }
     $year = sprintf('%04d', $year);
     $month = sprintf('%02d', $month);
     $day = sprintf('%02d', $day);
     // get month structure for generating calendar
     $month_cal = Date_Calc::getCalendarMonth($month, $year, '%E');
     $this->_todayDays = Date_Calc::dateFormat(null, null, null, '%E');
     $this->_thisMonth = Date_Calc::dateFormat($day, $month, $year, '%m');
     $row = 0;
     $table = new HTML_Table($this->_attributes['table']);
     $table->addRow(array($this->drawTitle($day, $month, $year)));
     $table->setRowAttributes($row, $this->_attributes['title']);
     $row++;
     for ($col = 0; $col < 7; $col++) {
         $table->setCellContents($row, $col, $this->drawWeekDayText($col), 'TH');
     }
     $table->setRowAttributes($row++, $this->_attributes['weekday']);
     for ($week = 0; $week < count($month_cal); $week++) {
         for ($col = 0; $col < 7; $col++) {
             $table->setCellContents($row, $col, $this->drawCell($month_cal[$week][$col], $week, $col));
             $type = $this->getType($month_cal[$week][$col]);
             $table->setCellAttributes($row, $col, $this->_attributes['cell']);
             $table->updateCellAttributes($row, $col, $this->_attributes['cell_' . $type]);
         }
         $row++;
     }
     return $table;
 }

 /**
  *   Create recurrences.
  *   This is a common function for the most common recurrence types:
  *   once per week/year, etc.
  */
 public function MakeRecurrences()
 {
     global $_EV_CONF;
     list($year, $month, $day) = explode('-', $this->dt_start);
     //  Get the date of this occurrence.  The date is stored as two
     //  values: 0 = the scheduled date for this occurrence, 1 = the
     //  actual date in case it's rescheduled due to a weekend.
     //  Keeping the occurrence is based on (1), scheduling the next
     //  occurrence is based on (0).
     $thedate = Date_Calc::dateFormat($day, $month, $year, '%Y-%m-%d');
     $occurrence = array($thedate, $thedate);
     // Get any occurrences before our stop.  Keep these.
     $count = 0;
     while ($occurrence[1] <= $this->event->rec_data['stop'] && $occurrence[1] >= '1971-01-01' && $count < $_EV_CONF['max_repeats']) {
         $this->storeEvent($occurrence[1]);
         $count++;
         $occurrence = $this->GetNextDate($day, $month, $year);
         while ($occurrence[1] === NULL) {
             if ($occurrence === NULL) {
                 break 2;
             }
             list($year, $month, $day) = explode('-', $occurrence[0]);
             $occurrence = $this->GetNextDate($day, $month, $year);
         }
         list($year, $month, $day) = explode('-', $occurrence[0]);
     }
     return $this->events;
 }

            echo "{$test_name} failed.  Expect:\n";
            print_r($expect);
            echo "Actual:\n";
            print_r($actual);
        }
    } else {
        if ($expect != $actual) {
            echo "{$test_name} failed.  Expect: {$expect}.  Actual: {$actual}\n";
        }
    }
}
if (php_sapi_name() != 'cli') {
    echo "<pre>\n";
}
compare('20001122', Date_Calc::dateFormat(22, 11, 2000, '%Y%m%d'), 'dateFormat');
compare('20001122', Date_Calc::dateFormat('22', '11', '2000', '%Y%m%d'), 'dateFormat str');
compare('2001', Date_Calc::defaultCentury('1'), 'defaultCentury 1 str');
compare('2001', Date_Calc::defaultCentury(1), 'defaultCentury 1');
compare('1960', Date_Calc::defaultCentury(60), 'defaultCentury 2');
compare('2010', Date_Calc::defaultCentury(10), 'defaultCentury 3');
compare(2451871, Date_Calc::dateToDays('22', '11', '2000'), 'dateToDays str');
compare(2451871, Date_Calc::dateToDays(22, 11, 2000), 'dateToDays');
compare('20001122', Date_Calc::daysToDate(2451871), 'daysToDate');
compare('2000-47-3', Date_Calc::gregorianToISO('22', '11', '2000'), 'gregorianToISO str');
compare('2000-47-3', Date_Calc::gregorianToISO(22, 11, 2000), 'gregorianToISO');
compare(2451716.56767, Date_Calc::dateSeason('SUMMERSOLSTICE', 2000), 'dateSeason');
compare(date('Ymd'), Date_Calc::dateNow(), 'dateNow');
compare(date('Y'), Date_Calc::getYear(), 'getYear');
compare(date('m'), Date_Calc::getMonth(), 'getMonth');
compare(date('d'), Date_Calc::getDay(), 'getDay');
compare(327, Date_Calc::dayOfYear(22, 11, 2000), 'dayOfYear');

 /**
  * Calculates the date of the Nth weekday of the month,
  * such as the second Saturday of January 2000
  *
  * @param int    $week   the number of the week to get
  *                       (1 to 5.  Also can be 'last'.)
  * @param int    $dow    the day of the week (0 = Sunday)
  * @param int    $month  the month
  * @param int    $year   the year.  Use the complete year instead of the
  *                        abbreviated version.  E.g. use 2005, not 05.
  * @param string $format the string indicating how to format the output
  *
  * @return   string     the date in the desired format
  * @access   public
  * @static
  */
 function nWeekDayOfMonth($week, $dow, $month, $year, $format = DATE_CALC_FORMAT)
 {
     if (is_numeric($week) && ($week < 1 || $week > 5) || !is_numeric($week) && $week != "last") {
         return PEAR::raiseError("Invalid week value '{$week}', only 1-5 or 'last' accepted");
     }
     if ($dow < 0 || $dow > 6) {
         return PEAR::raiseError("Invalid dow value '{$dow}', only 0-6 accepted");
     }
     if ($month < 1 || $month > 12) {
         return PEAR::raiseError("Invalid month value '{$month}'");
     }
     if (is_numeric($week)) {
         // the weekday of first day of month "1"
         $DOW1 = Date_Calc::dayOfWeek(1, $month, $year);
         // finds the sunday
         $sunday = ($week - 1) * 7 + 1;
         if ($DOW1 > 0) {
             $sunday += 7 - $DOW1;
         }
         // adjust the sunday with dow addition
         $wdate = $sunday + $dow;
         if ($wdate > Date_Calc::daysInMonth($month, $year)) {
             return -1;
         } else {
             return Date_Calc::dateFormat($wdate, $month, $year, $format);
         }
     } elseif ($week == 'last' && $dow < 7) {
         $lastday = Date_Calc::daysInMonth($month, $year);
         $lastdow = Date_Calc::dayOfWeek($lastday, $month, $year);
         $diff = $dow - $lastdow;
         if ($diff > 0) {
             return Date_Calc::dateFormat($lastday - (7 - $diff), $month, $year, $format);
         } else {
             return Date_Calc::dateFormat($lastday + $diff, $month, $year, $format);
         }
     } else {
         return -1;
     }
 }