visualizer / vendor / phpoffice / phpexcel / Classes / PHPExcel / WorksheetIterator.php

WorksheetIterator.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.0.3, at vendor/phpoffice/phpexcel/Classes/PHPExcel/WorksheetIterator.php

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1	<?php
2	/**
3	* PHPExcel
4	*
5	* Copyright (c) 2006 - 2014 PHPExcel
6	*
7	* This library is free software; you can redistribute it and/or
8	* modify it under the terms of the GNU Lesser General Public
9	* License as published by the Free Software Foundation; either
10	* version 2.1 of the License, or (at your option) any later version.
11	*
12	* This library is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15	* Lesser General Public License for more details.
16	*
17	* You should have received a copy of the GNU Lesser General Public
18	* License along with this library; if not, write to the Free Software
19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20	*
21	* @category PHPExcel
22	* @package PHPExcel
23	* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
24	* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
25	* @version ##VERSION##, ##DATE##
26	*/
27
28
29	/**
30	* PHPExcel_WorksheetIterator
31	*
32	* Used to iterate worksheets in PHPExcel
33	*
34	* @category PHPExcel
35	* @package PHPExcel
36	* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
37	*/
38	class PHPExcel_WorksheetIterator implements Iterator
39	{
40	/**
41	* Spreadsheet to iterate
42	*
43	* @var PHPExcel
44	*/
45	private $_subject;
46
47	/**
48	* Current iterator position
49	*
50	* @var int
51	*/
52	private $_position = 0;
53
54	/**
55	* Create a new worksheet iterator
56	*
57	* @param PHPExcel $subject
58	*/
59	public function __construct(PHPExcel $subject = null)
60	{
61	// Set subject
62	$this->_subject = $subject;
63	}
64
65	/**
66	* Destructor
67	*/
68	public function __destruct()
69	{
70	unset($this->_subject);
71	}
72
73	/**
74	* Rewind iterator
75	*/
76	public function rewind()
77	{
78	$this->_position = 0;
79	}
80
81	/**
82	* Current PHPExcel_Worksheet
83	*
84	* @return PHPExcel_Worksheet
85	*/
86	public function current()
87	{
88	return $this->_subject->getSheet($this->_position);
89	}
90
91	/**
92	* Current key
93	*
94	* @return int
95	*/
96	public function key()
97	{
98	return $this->_position;
99	}
100
101	/**
102	* Next value
103	*/
104	public function next()
105	{
106	++$this->_position;
107	}
108
109	/**
110	* More PHPExcel_Worksheet instances available?
111	*
112	* @return boolean
113	*/
114	public function valid()
115	{
116	return $this->_position < $this->_subject->getSheetCount();
117	}
118	}
119