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

CellIterator.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.5.0, at vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/CellIterator.php

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1	<?php
2
3	namespace PhpOffice\PhpSpreadsheet\Worksheet;
4
5	use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
6
7	abstract class CellIterator implements \Iterator
8	{
9	/**
10	* Worksheet to iterate.
11	*
12	* @var Worksheet
13	*/
14	protected $worksheet;
15
16	/**
17	* Iterate only existing cells.
18	*
19	* @var bool
20	*/
21	protected $onlyExistingCells = false;
22
23	/**
24	* Destructor.
25	*/
26	public function __destruct()
27	{
28	unset($this->worksheet);
29	}
30
31	/**
32	* Get loop only existing cells.
33	*
34	* @return bool
35	*/
36	public function getIterateOnlyExistingCells()
37	{
38	return $this->onlyExistingCells;
39	}
40
41	/**
42	* Validate start/end values for "IterateOnlyExistingCells" mode, and adjust if necessary.
43	*
44	* @throws PhpSpreadsheetException
45	*/
46	abstract protected function adjustForExistingOnlyRange();
47
48	/**
49	* Set the iterator to loop only existing cells.
50	*
51	* @param bool $value
52	*
53	* @throws PhpSpreadsheetException
54	*/
55	public function setIterateOnlyExistingCells($value)
56	{
57	$this->onlyExistingCells = (bool) $value;
58
59	$this->adjustForExistingOnlyRange();
60	}
61	}
62