public function __construct($time, $tzid = NULL)
{
$this->start = day_of($time, $tzid);
// define the end of the day by 11:59:59pm
$this->end = increment_day($this->start) - 1;
}
public static function get_term($time=NULL) {
if ($time === NULL)
$time = time();
if (self::$terms === NULL) {
// if we're in the second half of the year, use next year's calendar
$year = (date('n', $time) < 7) ? date('Y', $time) : date('Y', $time) + 1;
// start with crude lower-bound guesses for ranges
$fall_start = mktime(0, 0, 0, 8, 15, $year-1);
$iap_start = mktime(0, 0, 0, 1, 1, $year);
$spring_start = mktime(0, 0, 0, 2, 1, $year);
$summer_start = mktime(0, 0, 0, 6, 1, $year);
$summer_end = mktime(0, 0, 0, 8, 15, $year);
self::$terms = Array(
'fa' => new TimeRange($fall_start, $iap_start),
'ia' => new TimeRange($iap_start, $spring_start),
'sp' => new TimeRange($spring_start, $summer_start),
'su' => new TimeRange($summer_start, $summer_end),
);
if (array_key_exists($year, self::$icals)) {
$ical = self::$icals[$year];
$events = $ical->search_by_title("first day of");
foreach ($events as $event) {
$event_start = increment_day($event->get_start(), -1);
foreach (self::$terms as $term => $range) {
if ($range->contains_point($event_start)) {
self::$terms[$term]->set_start($event_start);
switch ($term) {
case 'ia':
self::$terms['fa']->set_end($event_start);
break;
case 'sp':
self::$terms['ia']->set_end($event_start);
break;
case 'su':
self::$terms['sp']->set_end($event_start);
break;
} // switch
break;
} // if
} // foreach term
} // foreach event
} // done creating terms
}
foreach (self::$terms as $term => $range) {
if ($range->contains_point($time)) {
return $term;
break;
}
}
return NULL;
}