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