/**
* Determines which of the daylight or standard is the active
* setting.
* The call is cached for a given timestamp, so a call to
* getOffset and getTimeZoneName with the same ts won't calculate
* the answer twice.
* @param int $ts
* @return string standard|daylight
*/
private function getActive($ts)
{
if (isset($this->cache[$ts])) {
return $this->cache[$ts];
}
$daylight_freq = new SG_iCal_Freq($this->daylight['rrule'], strtotime($this->daylight['dtstart']));
$standard_freq = new SG_iCal_Freq($this->standard['rrule'], strtotime($this->standard['dtstart']));
$last_standard = $standard_freq->previousOccurrence($ts);
$last_dst = $daylight_freq->previousOccurrence($ts);
if ($last_dst > $last_standard) {
$this->cache[$ts] = 'daylight';
} else {
$this->cache[$ts] = 'standard';
}
return $this->cache[$ts];
}
/**
* Determines which of the daylight or standard is the active
* setting.
* The call is cached for a given timestamp, so a call to
* getOffset and getTimeZoneName with the same ts won't calculate
* the answer twice.
* @param int $ts
* @return string standard|daylight
*/
private function getActive($ts)
{
if (class_exists('DateTimeZone')) {
//PHP >= 5.2
$tz = new DateTimeZone($this->tzid);
$date = new DateTime("@{$ts}", $tz);
return $date->format('I') == 1 ? 'daylight' : 'standard';
} else {
if (isset($this->cache[$ts])) {
return $this->cache[$ts];
}
$daylight_freq = new SG_iCal_Freq($this->daylight['rrule'], strtotime($this->daylight['dtstart']));
$standard_freq = new SG_iCal_Freq($this->standard['rrule'], strtotime($this->standard['dtstart']));
$last_standard = $standard_freq->previousOccurrence($ts);
$last_dst = $daylight_freq->previousOccurrence($ts);
if ($last_dst > $last_standard) {
$this->cache[$ts] = 'daylight';
} else {
$this->cache[$ts] = 'standard';
}
return $this->cache[$ts];
}
}
public function testWeeklyIntervalUntilByday()
{
$dateset = array(873183600, 873270000, 873442800, 874306800, 874479600, 874652400, 875516400, 875689200, 875862000, 876726000, 876898800);
$rule = 'FREQ=WEEKLY;INTERVAL=2;UNTIL=19971224T000000Z;WKST=SU;BYDAY=MO,WE,FR';
$start = strtotime('19970902T090000');
$this->assertRule($rule, $start, $dateset);
$freq = new SG_iCal_Freq($rule, $start);
$this->assertEquals(882777600, $freq->previousOccurrence(time()), 'Failed getting correct end date');
}