TimezoneUtil::getMSTZnameFromTZName()

Complexity

Conditions	10
Paths	62

Size

Total Lines	40
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
	private static function getMSTZnameFromTZName($name) {
		// if $name is empty, get the timezone from system
		if (trim($name) == '') {
			$name = date_default_timezone_get();
			SLog::Write(LOGLEVEL_INFO, sprintf("TimezoneUtil::getMSTZnameFromTZName(): empty timezone name sent. Got timezone from the system: '%s'", $name));
		}

		foreach (self::$mstzones as $mskey => $msdefs) {
			if ($name == $msdefs[0]) {
				return $msdefs[1];
			}
		}

		// Not found? Then retrieve the correct TZName first and try again.
		// That's ugly and needs a proper fix. But for now this method can convert
		// - Europe/Berlin
		// - W Europe Standard Time
		// to "(GMT+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna"
		// which is more correct than the hardcoded default of (GMT+00:00...)
		$tzName = '';
		foreach (self::$phptimezones as $tzn => $phptzs) {
			if (in_array($name, $phptzs)) {
				$tzName = $tzn;

				break;
			}
		}
		if ($tzName != '') {
			foreach (self::$mstzones as $mskey => $msdefs) {
				if ($tzName == $msdefs[0]) {
					return $msdefs[1];
				}
			}
		}
		if (strpos($name, '.') !== false) {
			return self::getMSTZnameFromTZName(str_replace('.', '', $name));
		}
		SLog::Write(LOGLEVEL_WARN, sprintf("TimezoneUtil::getMSTZnameFromTZName() no MS name found for '%s'. Returning '(GMT) Greenwich Mean Time: Dublin, Edinburgh, Lisbon, London'", $name));

		return self::$mstzones["085"][1];
	}