Current File : /www/varak.net/nextcloud.varak.net/3rdparty/sabre/vobject/lib/TimezoneGuesser/GuessFromLicEntry.php
<?php
declare(strict_types=1);
namespace Sabre\VObject\TimezoneGuesser;
use DateTimeZone;
use Sabre\VObject\Component\VTimeZone;
use Sabre\VObject\TimeZoneUtil;
/**
* Some clients add 'X-LIC-LOCATION' with the olson name.
*/
class GuessFromLicEntry implements TimezoneGuesser
{
public function guess(VTimeZone $vtimezone, bool $failIfUncertain = false): ?DateTimeZone
{
if (!isset($vtimezone->{'X-LIC-LOCATION'})) {
return null;
}
$lic = (string) $vtimezone->{'X-LIC-LOCATION'};
// Libical generators may specify strings like
// "SystemV/EST5EDT". For those we must remove the
// SystemV part.
if ('SystemV/' === substr($lic, 0, 8)) {
$lic = substr($lic, 8);
}
return TimeZoneUtil::getTimeZone($lic, null, $failIfUncertain);
}
}
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