/**
* @private
*
* Compute a string representation that largely follows the ISO8601 standard
* of representing dates. Large year numbers may have more than 4 digits,
* which is not strictly conforming to the standard. The date includes year,
* month, and day regardless of the input precision, but will only include
* time when specified.
*
* Conforming to the 2000 version of ISO8601, year 1 BC(E) is represented
* as "0000", year 2 BC(E) as "-0001" and so on.
*
* @since 2.4
*
* @param DITime $dataItem
* @param boolean $mindefault determining whether values below the
* precision of our input should be completed with minimal or maximal
* conceivable values
*
* @return string
*/
public function getISO8601Date($mindefault = true)
{
$dataItem = $this->dataValue->getDataItemForCalendarModel(DITime::CM_GREGORIAN);
$precision = $dataItem->getPrecision();
$result = $dataItem->getYear() > 0 ? '' : '-';
$result .= str_pad($dataItem->getYear(), 4, "0", STR_PAD_LEFT);
$monthnum = $precision >= DITime::PREC_YM ? $dataItem->getMonth() : ($mindefault ? 1 : 12);
$result .= '-' . str_pad($monthnum, 2, "0", STR_PAD_LEFT);
$day = $dataItem->getDay();
if (!$mindefault && $precision < DITime::PREC_YMD) {
$day = DITime::getDayNumberForMonth($monthnum, $dataItem->getYear(), DITime::CM_GREGORIAN);
}
$result .= '-' . str_pad($day, 2, "0", STR_PAD_LEFT);
if ($precision === DITime::PREC_YMDT) {
$result .= 'T' . $this->getTimeString($mindefault ? '00:00:00' : '23:59:59');
}
return $result;
}
/**
* Compute a string representation that largely follows the ISO8601
* standard of representing dates. Large year numbers may have more
* than 4 digits, which is not strictly conforming to the standard.
* The date includes year, month, and day regardless of the input
* precision, but will only include time when specified.
*
* Conforming to the 2000 version of ISO8601, year 1 BC(E) is
* represented as "0000", year 2 BC(E) as "-0001" and so on.
*
* @param $mindefault boolean determining whether values below the
* precision of our input should be completed with minimal or maximal
* conceivable values
* @return string
*/
public function getISO8601Date($mindefault = true)
{
$result = $this->getYear() > 0 ? '' : '-';
$monthnum = $this->getMonth(SMWDITime::CM_GREGORIAN, $mindefault ? 1 : 12);
$result .= str_pad($this->getYear(), 4, "0", STR_PAD_LEFT) . '-' . str_pad($monthnum, 2, "0", STR_PAD_LEFT);
if (!$mindefault && $this->m_dataitem->getPrecision() < SMWDITime::PREC_YMD) {
$maxday = SMWDITime::getDayNumberForMonth($monthnum, $this->getYear(), SMWDITime::CM_GREGORIAN);
$result .= '-' . str_pad($this->getDay(SMWDITime::CM_GREGORIAN, $maxday), 2, "0", STR_PAD_LEFT);
} else {
$result .= '-' . str_pad($this->getDay(), 2, "0", STR_PAD_LEFT);
}
if ($this->m_dataitem->getPrecision() == SMWDITime::PREC_YMDT) {
$result .= 'T' . $this->getTimeString($mindefault ? '00:00:00' : '23:59:59');
}
return $result;
}
