<?php
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/**
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* PHPExcel_WorksheetIterator
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*
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* Copyright (c) 2006 - 2015 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel
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* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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class PHPExcel_WorksheetIterator implements Iterator
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{
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/**
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* Spreadsheet to iterate
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*
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* @var PHPExcel
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*/
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private $subject;
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/**
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* Current iterator position
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*
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* @var int
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*/
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private $position = 0;
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/**
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* Create a new worksheet iterator
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*
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* @param PHPExcel $subject
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*/
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public function __construct(PHPExcel $subject = null)
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{
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// Set subject
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$this->subject = $subject;
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}
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/**
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* Destructor
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*/
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public function __destruct()
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{
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unset($this->subject);
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}
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/**
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* Rewind iterator
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*/
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public function rewind()
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{
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$this->position = 0;
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}
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/**
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* Current PHPExcel_Worksheet
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*
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* @return PHPExcel_Worksheet
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*/
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public function current()
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{
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return $this->subject->getSheet($this->position);
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}
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/**
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* Current key
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*
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* @return int
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*/
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public function key()
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{
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return $this->position;
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}
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/**
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* Next value
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*/
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public function next()
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{
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++$this->position;
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}
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/**
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* More PHPExcel_Worksheet instances available?
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*
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* @return boolean
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*/
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public function valid()
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{
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return $this->position < $this->subject->getSheetCount();
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}
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}
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