/**
* Parses the internal data structure to figure out what the current date
* and time is.
*
* The returned array contains two elements:
* 1. A 'DateType' constant (as defined on this class), or null.
* 2. A DateTime object (or null)
*
* @param string|null $propertyValue The string to parse (yymmdd or
* ymmddThhmmss, etc..)
* @param \Sabre\VObject\Property|null $property The instance of the
* property we're parsing.
* @return array
*/
public static function parseData($propertyValue, VObject\Property $property = null)
{
if (is_null($propertyValue)) {
return array(null, null);
}
$date = '(?P<year>[1-2][0-9]{3})(?P<month>[0-1][0-9])(?P<date>[0-3][0-9])';
$time = '(?P<hour>[0-2][0-9])(?P<minute>[0-5][0-9])(?P<second>[0-5][0-9])';
$regex = "/^{$date}(T{$time}(?P<isutc>Z)?)?\$/";
if (!preg_match($regex, $propertyValue, $matches)) {
throw new \InvalidArgumentException($propertyValue . ' is not a valid \\DateTime or Date string');
}
if (!isset($matches['hour'])) {
// Date-only
return array(self::DATE, new \DateTime($matches['year'] . '-' . $matches['month'] . '-' . $matches['date'] . ' 00:00:00', new \DateTimeZone('UTC')));
}
$dateStr = $matches['year'] . '-' . $matches['month'] . '-' . $matches['date'] . ' ' . $matches['hour'] . ':' . $matches['minute'] . ':' . $matches['second'];
if (isset($matches['isutc'])) {
$dt = new \DateTime($dateStr, new \DateTimeZone('UTC'));
$dt->setTimeZone(new \DateTimeZone('UTC'));
return array(self::UTC, $dt);
}
// Finding the timezone.
$tzid = $property['TZID'];
if (!$tzid) {
// This was a floating time string. This implies we use the
// timezone from date_default_timezone_set / date.timezone ini
// setting.
return array(self::LOCAL, new \DateTime($dateStr));
}
// To look up the timezone, we must first find the VCALENDAR component.
$root = $property;
while ($root->parent) {
$root = $root->parent;
}
if ($root->name === 'VCALENDAR') {
$tz = VObject\TimeZoneUtil::getTimeZone((string) $tzid, $root);
} else {
$tz = VObject\TimeZoneUtil::getTimeZone((string) $tzid);
}
$dt = new \DateTime($dateStr, $tz);
$dt->setTimeZone($tz);
return array(self::LOCALTZ, $dt);
}
/**
* Returns multiple date-time values.
*
* If no timezone information is known, because it's either an all-day
* property or floating time, we will use the DateTimeZone argument to
* figure out the exact date.
*
* @param DateTimeZone $timeZone
*
* @return DateTimeImmutable[]
* @return \DateTime[]
*/
function getDateTimes(DateTimeZone $timeZone = null)
{
// Does the property have a TZID?
$tzid = $this['TZID'];
if ($tzid) {
$timeZone = TimeZoneUtil::getTimeZone((string) $tzid, $this->root);
}
$dts = [];
foreach ($this->getParts() as $part) {
$dts[] = DateTimeParser::parse($part, $timeZone);
}
return $dts;
}
/**
* Returns the PHP DateTimeZone for this VTIMEZONE component.
*
* If we can't accurately determine the timezone, this method will return
* UTC.
*
* @return \DateTimeZone
*/
function getTimeZone()
{
return VObject\TimeZoneUtil::getTimeZone((string) $this->TZID, $this->root);
}
/**
* Returns multiple date-time values.
*
* @return \DateTime[]
*/
public function getDateTimes()
{
// Finding the timezone.
$tz = $this['TZID'];
if ($tz) {
$tz = TimeZoneUtil::getTimeZone((string) $tz, $this->root);
}
$dts = array();
foreach ($this->getParts() as $part) {
$dts[] = DateTimeParser::parse($part, $tz);
}
return $dts;
}
