WB 2.08.x

// language must be 2 upercase letters only

	$sUserLanguage = (preg_match('/^[A-Z]{2}$/', $sUserLanguage) ? $sUserLanguage : DEFAULT_LANGUAGE);

// timezone must be between -12 and +13  or -20 as system_default

	$timezone = ($wb->StripCodeFromText($wb->get_post('timezone')));

	$timezone = ( (is_numeric($timezone) && ($timezone!=0)) ? $timezone : -20);

	$timezone = ( ($timezone >= -12 && $timezone <= 13) ? $timezone : -20 ) * 3600;

// date_format must be a key from /interface/date_formats

	$date_format = (($date_format==DEFAULT_DATE_FORMAT) ? '' : $date_format);

	$date_format_key  = str_replace(' ', '|', $date_format);

	$user_time = true;

	include( ADMIN_PATH.'/interface/date_formats.php' );

	$date_format = (array_key_exists($date_format_key, $DATE_FORMATS) ? $date_format : 'system_default');

	$date_format = ($date_format == 'system_default' ? '' : $date_format);

	unset($DATE_FORMATS);

// time_format must be a key from /interface/time_formats

	$time_format = (($time_format==DEFAULT_TIME_FORMAT) ? '' : $time_format);

	$time_format_key  = str_replace(' ', '|', $time_format);

	$user_time = true;

	include( ADMIN_PATH.'/interface/time_formats.php' );

	$time_format = (array_key_exists($time_format_key, $TIME_FORMATS) ? $time_format : 'system_default');

	$time_format = ($time_format == 'system_default' ? '' : $time_format);

	unset($TIME_FORMATS);

		if(isset($_SESSION['USE_DEFAULT_TIMEZONE'])) { unset($_SESSION['USE_DEFAULT_TIMEZONE']); }