CTasksTools::FormatDatetimeBeauty

static function FormatDatetimeBeauty($in, $arParams = array(),
	$formatDatetimePHP = false
)
{
	if ($formatDatetimePHP === false)
	{

		$formatDatetimePHP = CDatabase::DateFormatToPHP(FORMAT_DATETIME);
	}

	if (
		defined(LANGUAGE_ID)
		&& (strcasecmp(LANGUAGE_ID, 'EN') !== 0)
		&& (strcasecmp(LANGUAGE_ID, 'DE') !== 0)
	)
	{
		return (FormatDate($formatDatetimePHP, MakeTimeStamp($in)));
	}

	$bStripCurrentYear = true;
	$bSexySmallMonthNames = true;

	if (isset($arParams['stripCurrentYear']))
		$bStripCurrentYear = (bool) $arParams['stripCurrentYear'];

	if (isset($arParams['sexySmallMonthNames']))
		$bSexySmallMonthNames = (bool) $arParams['sexySmallMonthNames'];

	if ($bSexySmallMonthNames)
	{
		// Replace month number (or long name) to short name
		$formatDatetimePHP = str_replace(array('F', 'm', 'n'), 'M', $formatDatetimePHP);

		// Replace, for example, "05.Dec" to "05 Dec"
		$formatDatetimePHP = str_replace(array('d.M', 'j.M'), array('d M', 'j M'), $formatDatetimePHP);
	}

	if (
		(mb_strpos($formatDatetimePHP, 'A') !== false)
		|| (mb_strpos($formatDatetimePHP, 'a') !== false)
	)
	{

		$formatTimePHP = CDatabase::DateFormatToPHP('H:MI T');
	}
	else
	{

		$formatTimePHP = CDatabase::DateFormatToPHP('HH:MI');
	}

	$bTimeStripped = false;
	$formatPHP = $formatDatetimePHP;

	// Strip time, if it's zeroed

	if (
		(FormatDate(CDatabase::DateFormatToPHP('HH:MI'), MakeTimeStamp($in)) === '00:00')
		|| (FormatDate(CDatabase::DateFormatToPHP('HH:MI'), MakeTimeStamp($in)) === '0:00')
	)
	{
		$bTimeStripped = true;
		$formatPHP = str_replace(
			array(
				' a', ' A', 'a', 'A',
				' g', ' G', 'g', 'G',
				' h', ' H', 'h', 'H',
				':i', ':s', 'i', 's'
			),
			'',
			$formatPHP
		);
	}

	// For current date strip date
	if ( ! $bTimeStripped )
	{

		$curDate = FormatDate(CDatabase::DateFormatToPHP('Y-m-d'), MakeTimeStamp(time()));

		$givenDate = FormatDate(CDatabase::DateFormatToPHP('Y-m-d'), MakeTimeStamp($in));

		if ($curDate === $givenDate)
			$formatPHP = $formatTimePHP;
	}

	$formatPHPWoSeconds = str_replace(
		array(':SS', ':ss', ':S', ':s', 's', 'S'),
		'',
		$formatPHP
	);

	$dateTimeFormated = FormatDate($formatPHPWoSeconds, MakeTimeStamp($in));

	if (defined(LANGUAGE_ID)
		&& (strcasecmp(LANGUAGE_ID, 'EN') !== 0)
		&& (strcasecmp(LANGUAGE_ID, 'DE') !== 0)
	)
	{
		$dateTimeFormated = ToLower($dateTimeFormated);
	}

	// strip current year
	if ($bStripCurrentYear)
	{
		$dateTimeFormated = ltrim($dateTimeFormated, '0');
		$curYear = date('Y');
		$dateTimeFormated = str_replace(
			array(
				'-' . $curYear,
				'/' . $curYear,
				' ' . $curYear,
				'.' . $curYear,
				$curYear . '-',
				$curYear . '/',
				$curYear . ' ',
				$curYear . '.'
			),
			'',
			$dateTimeFormated
		);
	}

	return ($dateTimeFormated);
}