File ICal/TimezoneDefinition.php | PHP iCal Parser API

1:	<?php
2:	declare(strict_types=1);
3:
4:	namespace om\ICal;
5:
6:	use om\ICal\Timezone\ResolvedTimezone;
7:	use om\ICal\Timezone\VTimezoneResolver;
8:	use om\ICal\Value\Text;
9:
10:	/**
11:	* A VTIMEZONE component (RFC 5545, section 3.6.5).
12:	*/
13:	final class TimezoneDefinition {
14:	/**
15:	* @internal use Calendar::timezones()
16:	*/
17:	public function __construct(
18:	public readonly Component $component,
19:	private readonly Calendar $calendar,
20:	) {
21:	}
22:
23:	public function tzid(): ?string {
24:	$tzid = $this->component->property('TZID')?->value;
25:	return $tzid === null ? null : Text::unescape($tzid);
26:	}
27:
28:	/**
29:	* The PHP timezone used for this TZID (see TimezoneResolver).
30:	*/
31:	public function resolve(): ?ResolvedTimezone {
32:	$tzid = $this->tzid();
33:	return $tzid === null ? null : $this->calendar->values()->timezone($tzid);
34:	}
35:
36:	/**
37:	* STANDARD and DAYLIGHT observances.
38:	*
39:	* @return list<array{start: string, offsetFrom: string, offsetTo: string, rrule: ?string, rdates: list<string>}>
40:	*/
41:	public function observances(): array {
42:	return VTimezoneResolver::observances($this->component);
43:	}
44:	}
45: