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PhutilCalendarAbsoluteDateTime.php
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Sun, Dec 22, 08:56

PhutilCalendarAbsoluteDateTime.php
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<?php
final class PhutilCalendarAbsoluteDateTime
extends PhutilCalendarDateTime {
private $year;
private $month;
private $day;
private $hour = 0;
private $minute = 0;
private $second = 0;
private $timezone;
public static function newFromISO8601($value, $timezone = 'UTC') {
$pattern =
'/^'.
'(?P<y>\d{4})(?P<m>\d{2})(?P<d>\d{2})'.
'(?:'.
'T(?P<h>\d{2})(?P<i>\d{2})(?P<s>\d{2})(?<z>Z)?'.
')?'.
'\z/';
$matches = null;
$ok = preg_match($pattern, $value, $matches);
if (!$ok) {
throw new Exception(
pht(
'Expected ISO8601 datetime in the format "19990105T112233Z", '.
'found "%s".',
$value));
}
if (isset($matches['z'])) {
if ($timezone != 'UTC') {
throw new Exception(
pht(
'ISO8601 date ends in "Z" indicating UTC, but a timezone other '.
'than UTC ("%s") was specified.',
$timezone));
}
}
$datetime = id(new self())
->setYear((int)$matches['y'])
->setMonth((int)$matches['m'])
->setDay((int)$matches['d'])
->setTimezone($timezone);
if (isset($matches['h'])) {
$datetime
->setHour((int)$matches['h'])
->setMinute((int)$matches['i'])
->setSecond((int)$matches['s']);
}
return $datetime;
}
public function setYear($year) {
$this->year = $year;
return $this;
}
public function getYear() {
return $this->year;
}
public function setMonth($month) {
$this->month = $month;
return $this;
}
public function getMonth() {
return $this->month;
}
public function setDay($day) {
$this->day = $day;
return $this;
}
public function getDay() {
return $this->day;
}
public function setHour($hour) {
$this->hour = $hour;
return $this;
}
public function getHour() {
return $this->hour;
}
public function setMinute($minute) {
$this->minute = $minute;
return $this;
}
public function getMinute() {
return $this->minute;
}
public function setSecond($second) {
$this->second = $second;
return $this;
}
public function getSecond() {
return $this->second;
}
public function setTimezone($timezone) {
$this->timezone = $timezone;
return $this;
}
public function getTimezone() {
return $this->timezone;
}
private function getEffectiveTimezone() {
$zone = $this->getTimezone();
if ($zone !== null) {
return $zone;
}
$zone = $this->getViewerTimezone();
if ($zone !== null) {
return $zone;
}
throw new Exception(
pht(
'Datetime has no timezone or viewer timezone.'));
}
protected function newPHPDateTimeZone() {
$zone = $this->getEffectiveTimezone();
return new DateTimeZone($zone);
}
protected function newPHPDateTime() {
$zone = $this->newPHPDateTimeZone();
$y = $this->getYear();
$m = $this->getMonth();
$d = $this->getDay();
$h = $this->getHour();
$i = $this->getMinute();
$s = $this->getSecond();
$format = sprintf('%04d-%02d-%02d %02d:%02d:%02d', $y, $m, $d, $h, $i, $s);
return new DateTime($format, $zone);
}
}

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