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src/lib/PHPExcel/WorksheetIterator.php 2.68 KB
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  <?php

  /**

   * PHPExcel

   *

   * Copyright (c) 2006 - 2014 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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

   * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL

   * @version    1.8.0, 2014-03-02

   */

  

  

  /**

   * PHPExcel_WorksheetIterator

   *

   * Used to iterate worksheets in PHPExcel

   *

   * @category   PHPExcel

   * @package    PHPExcel

   * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

   */

  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();

      }

  }