1	<?php
2	namespace Fdsn\Webservices\Event\Structs;
3
4	/**
5	* Data structure to handle DateTimw range
6	*
7	* @param \DateTime    $start    Start date time (from new DateTime() or date_create())
8	* @param \DateTime    $end    End date time (from  new DateTime() or date_create())
9	*/
10	class DateTimeRange {
11	const dateTimeFormat = 'Y-m-d\TH:i:s';
12	const dateFormat = 'Y-m-d';
13	const iso8601Format = 'c';
14
15	private \DateTime $start;
16	private \DateTime $end;
17
18	function __construct( \DateTime $start, \DateTime $end) {
19	if($start <= $end){
20	$this->start = $start;
21	$this->end = $end;
22	}
23	else{
24	$this->start = $end;
25	$this->end = $start;
26
27	}
28	}
29
30	/**
31	* Get start date time
32	* @return string     Start date time in format YYYY-mm-ddTHH:mm:ss'
33	*/
34	public function startDateTime():string { return date_format($this->start, self::dateTimeFormat); }
35
36	/**
37	* Get end date time
38	* @return string     End date time in format YYYY-mm-ddTHH:mm:ss'
39	*/
40	public function endDateTime():string { return date_format($this->end, self::dateTimeFormat); }
41
42
43	/**
44	* Get start date
45	* @return string     Start date in format YYYY-mm-dd'
46	*/
47	public function startDate():string { return date_format($this->start, self::dateFormat); }
48
49	/**
50	* Get end date
51	* @return string     End date in format YYYY-mm-dd'
52	*/
53	public function endDate():string { return date_format($this->end, self::dateFormat); }
54
55	/**
56	* Get start date time
57	* @return string     Start date time in format ISO 8601 (see: https://www.php.net/manual/it/datetime.format.php )
58	*/
59	public function startISO8601():string { return date_format($this->start, self::iso8601Format); }
60
61	/**
62	* Get end date time
63	* @return string     End date time in format ISO 8601  (see: https://www.php.net/manual/it/datetime.format.php )
64	*/
65	public function endISO8601():string { return date_format($this->end, self::iso8601Format); }
66
67	}

---

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DateTimeRange->__construct

18	function __construct( \DateTime $start, \DateTime $end) {
19	if($start <= $end){

19	if($start <= $end){
20	$this->start = $start;

24	$this->start = $end;
25	$this->end = $start;
26
27	}
28	}

28

}

DateTimeRange->endDate

53	public function endDate():string { return date_format($this->end, self::dateFormat); }

DateTimeRange->endDateTime

40	public function endDateTime():string { return date_format($this->end, self::dateTimeFormat); }

DateTimeRange->endISO8601

65	public function endISO8601():string { return date_format($this->end, self::iso8601Format); }

DateTimeRange->startDate

47	public function startDate():string { return date_format($this->start, self::dateFormat); }

DateTimeRange->startDateTime

34	public function startDateTime():string { return date_format($this->start, self::dateTimeFormat); }

DateTimeRange->startISO8601

59	public function startISO8601():string { return date_format($this->start, self::iso8601Format); }