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<?php namespace PhpOffice\PhpSpreadsheet\Worksheet; use PhpOffice\PhpSpreadsheet\Spreadsheet; /** * Copyright (c) 2006 - 2016 PhpSpreadsheet. * * 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 PhpSpreadsheet * * @copyright Copyright (c) 2006 - 2016 PhpSpreadsheet (https://github.com/PHPOffice/PhpSpreadsheet) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL */ class Iterator implements \Iterator { /** * Spreadsheet to iterate. * * @var Spreadsheet */ private $subject; /** * Current iterator position. * * @var int */ private $position = 0; /** * Create a new worksheet iterator. * * @param Spreadsheet $subject */ public function __construct(Spreadsheet $subject = null) { // Set subject $this->subject = $subject; } /** * Destructor. */ public function __destruct() { unset($this->subject); } /** * Rewind iterator. */ public function rewind() { $this->position = 0; } /** * Current Worksheet. * * @return \PhpOffice\PhpSpreadsheet\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; } /** * Are there more Worksheet instances available? * * @return bool */ public function valid() { return $this->position < $this->subject->getSheetCount(); } }
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