concrete/src/Database/Connection/Timezone.php
public function getCompatibleTimezones()
    {
        $validTimezones = [];
        foreach ($this->dateHelper->getTimezones() as $timezoneID => $timezoneName) {
            if ($this->getDeltaTimezone($timezoneID) === null) {
                $validTimezones[$timezoneID] = $timezoneName;
            }
        }

        return $validTimezones;
    }
public function getCompatibleTimezones()
    {
        $validTimezones = [];
        foreach ($this->dateHelper->getTimezones() as $timezoneID => $timezoneName) {
            if ($this->getDeltaTimezone($timezoneID) === null) {
                $validTimezones[$timezoneID] = $timezoneName;
            }
        }

        return $validTimezones;
    }
public function getCompatibleTimezones ( ) { $ validTimezones = [ ] ; foreach ( $ this -> dateHelper -> getTimezones ( ) as $ timezoneID => $ timezoneName ) { if ( $ this -> getDeltaTimezone ( $ timezoneID ) === null ) { $ validTimezones [ $ timezoneID ] = $ timezoneName ; } } return $ validTimezones ; }
Get a list of time zones that are compatible with the database.

@return array array keys are the time zone IDs (eg: 'Pacific/Pago_Pago'), array values are the localized time zone names
Get a list of time zones that are compatible with the database .