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- <?php
- namespace Sabre\VObject\Component;
- use Sabre\VObject;
- /**
- * The VTimeZone component
- *
- * This component adds functionality to a component, specific for VTIMEZONE
- * components.
- *
- * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
- * @author Evert Pot (http://evertpot.com/)
- * @license http://sabre.io/license/ Modified BSD License
- */
- class VTimeZone extends VObject\Component {
- /**
- * Returns the PHP DateTimeZone for this VTIMEZONE component.
- *
- * If we can't accurately determine the timezone, this method will return
- * UTC.
- *
- * @return \DateTimeZone
- */
- function getTimeZone() {
- return VObject\TimeZoneUtil::getTimeZone((string)$this->TZID, $this->root);
- }
- /**
- * A simple list of validation rules.
- *
- * This is simply a list of properties, and how many times they either
- * must or must not appear.
- *
- * Possible values per property:
- * * 0 - Must not appear.
- * * 1 - Must appear exactly once.
- * * + - Must appear at least once.
- * * * - Can appear any number of times.
- * * ? - May appear, but not more than once.
- *
- * @var array
- */
- function getValidationRules() {
- return array(
- 'TZID' => 1,
- 'LAST-MODIFIED' => '?',
- 'TZURL' => '?',
- // At least 1 STANDARD or DAYLIGHT must appear, or more. But both
- // cannot appear in the same VTIMEZONE.
- //
- // The validator is not specific yet to pick this up, so these
- // rules are too loose.
- 'STANDARD' => '*',
- 'DAYLIGHT' => '*',
- );
- }
- }
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