CIBlockPropertyDate::ConvertToDB

static function ConvertToDB($arProperty, $value)
{
	$dateTimeValue = (string)($value['VALUE'] ?? '');
	if ($dateTimeValue !== '')
	{
		if (!static::checkInternalFormatValue($dateTimeValue))
		{
			$value['VALUE'] = CDatabase::FormatDate(
				$dateTimeValue,
				CLang::GetDateFormat('SHORT'),
				self::INTERNAL_FORMAT
			);
		}
		else
		{
			$value['VALUE'] = $dateTimeValue;
		}
	}

	return $value;
}