/** Split date, time or timeStamp, answer array with keys from format
	* Limitation: only works for formats using Y, m, d, H, i and/or s 
	*    and separators from getTimeStampSeparators()
	* @static
	* @param String date, time or timestamp String
	* @param String $format
	* @return Array of String
	*/
	static function splitDT($value, $format) {
		$expr = '/['.str_replace('/', '\/', StringConverter::getTimeStampSeparators()).']/';
		$formatArray = preg_split($expr, $format);
		
		if (count($formatArray) == 1) {
			$formatArray = array();
			for ($i=0; $i<strLen($format); $i++) 
				$formatArray[] = subStr($format, $i, 1);
			$arr = StringConverter::splitDtNoSeparators($value, $formatArray);
		} else {
			$arr = preg_split($expr, $value);
		}
		for ($i=0; $i<count($formatArray); $i++) 
			$result[$formatArray[$i]] = isSet($arr[$i]) ? $arr[$i] : '00';

		if (isSet($result['d'])) 
			$result['j'] = (int) $result['d'];
		if (isSet($result['m'])) 
			$result['n'] = (int) $result['m'];

		return $result;
	}