RowIterator.php

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<?php
if (!defined('PHPEXCEL_ROOT')) {
        define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
}

require_once PHPEXCEL_ROOT . 'PHPExcel.php';

require_once PHPEXCEL_ROOT . 'PHPExcel/Worksheet.php';

require_once PHPEXCEL_ROOT . 'PHPExcel/Worksheet/Row.php';


class PHPExcel_Worksheet_RowIterator extends IteratorIterator
{
        private $_subject;
        
        private $_position = 0;

        public function __construct(PHPExcel_Worksheet $subject = null) {
                // Set subject
                $this->_subject = $subject;
        }
        
        public function __destruct() {
                unset($this->_subject);
        }
        
    public function rewind() {
        $this->_position = 1;
    }

    public function current() {
        return new PHPExcel_Worksheet_Row($this->_subject, $this->_position);
    }

    public function key() {
        return $this->_position;
    }

    public function next() {
        ++$this->_position;
    }

    public function valid() {
        return $this->_position <= $this->_subject->getHighestRow();
    }
}