visualizer / vendor / phpoffice / phpspreadsheet / src / PhpSpreadsheet / Worksheet / Iterator.php

Iterator.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.11.0, at vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/Iterator.php

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1	<?php
2
3	namespace PhpOffice\PhpSpreadsheet\Worksheet;
4
5	use PhpOffice\PhpSpreadsheet\Spreadsheet;
6
7	class Iterator implements \Iterator
8	{
9	/**
10	* Spreadsheet to iterate.
11	*
12	* @var Spreadsheet
13	*/
14	private $subject;
15
16	/**
17	* Current iterator position.
18	*
19	* @var int
20	*/
21	private $position = 0;
22
23	/**
24	* Create a new worksheet iterator.
25	*
26	* @param Spreadsheet $subject
27	*/
28	public function __construct(Spreadsheet $subject)
29	{
30	// Set subject
31	$this->subject = $subject;
32	}
33
34	/**
35	* Destructor.
36	*/
37	public function __destruct()
38	{
39	unset($this->subject);
40	}
41
42	/**
43	* Rewind iterator.
44	*/
45	public function rewind()
46	{
47	$this->position = 0;
48	}
49
50	/**
51	* Current Worksheet.
52	*
53	* @return Worksheet
54	*/
55	public function current()
56	{
57	return $this->subject->getSheet($this->position);
58	}
59
60	/**
61	* Current key.
62	*
63	* @return int
64	*/
65	public function key()
66	{
67	return $this->position;
68	}
69
70	/**
71	* Next value.
72	*/
73	public function next()
74	{
75	++$this->position;
76	}
77
78	/**
79	* Are there more Worksheet instances available?
80	*
81	* @return bool
82	*/
83	public function valid()
84	{
85	return $this->position < $this->subject->getSheetCount() && $this->position >= 0;
86	}
87	}
88