/**
* Create a new time dataItem from a specified Julian Day number,
* calendar model, presicion.
*
* @param double $jdValue
* @param integer|null $calendarmodel
* @param integer|null $precision
*
* @return DITime object
*/
public static function newFromJD($jdValue, $calendarModel = null, $precision = null, $timezone = false)
{
$hour = $minute = $second = false;
$year = $month = $day = false;
if ($precision === null) {
$precision = strpos(strval($jdValue), '.5') !== false ? self::PREC_YMD : self::PREC_YMDT;
}
list($calendarModel, $year, $month, $day) = JulianDay::JD2Date($jdValue, $calendarModel);
if ($precision <= self::PREC_YM) {
$day = false;
if ($precision === self::PREC_Y) {
$month = false;
}
}
if ($precision === self::PREC_YMDT) {
list($hour, $minute, $second) = JulianDay::JD2Time($jdValue);
}
return new self($calendarModel, $year, $month, $day, $hour, $minute, $second, $timezone);
}
/**
* @dataProvider valueProvider
*/
public function testConvert($calendarModel, $seralization, $jdValue)
{
list($year, $month, $day, $hour, $minute, $second) = explode('/', $seralization);
$this->assertEquals($jdValue, JulianDay::getJD($calendarModel, $year, $month, $day, $hour, $minute, $second));
}