<?php

error_reporting(E_ALL);

set_time_limit(0);

date_default_timezone_set('Europe/London');

?>

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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

<title>PHPExcel Reader Example #11</title>

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<h1>PHPExcel Reader Example #11</h1>

<h2>Reading a Workbook in "Chunks" Using a Configurable Read Filter (Version 1)</h2>

<?php

/** Include path **/

set_include_path(get_include_path() . PATH_SEPARATOR . '../../../Classes/');

/** PHPExcel_IOFactory */

include 'PHPExcel/IOFactory.php';

$inputFileType = 'Excel5';

// $inputFileType = 'Excel2007';

// $inputFileType = 'Excel2003XML';

// $inputFileType = 'OOCalc';

// $inputFileType = 'Gnumeric';

$inputFileName = './sampleData/example2.xls';

/** Define a Read Filter class implementing PHPExcel_Reader_IReadFilter */

class chunkReadFilter implements PHPExcel_Reader_IReadFilter

{

private $_startRow = 0;

private $_endRow = 0;

/** We expect a list of the rows that we want to read to be passed into the constructor */

public function __construct($startRow, $chunkSize) {

$this->_startRow = $startRow;

$this->_endRow = $startRow + $chunkSize;

}

public function readCell($column, $row, $worksheetName = '') {

// Only read the heading row, and the rows that were configured in the constructor

if (($row == 1) || ($row >= $this->_startRow && $row < $this->_endRow)) {

return true;

}

return false;

}

}

echo 'Loading file ',pathinfo($inputFileName,PATHINFO_BASENAME),' using IOFactory with a defined reader type of ',$inputFileType,'<br />';

/** Create a new Reader of the type defined in $inputFileType **/

$objReader = PHPExcel_IOFactory::createReader($inputFileType);

echo '<hr />';

/** Define how many rows we want for each "chunk" **/

$chunkSize = 20;

/** Loop to read our worksheet in "chunk size" blocks **/

for ($startRow = 2; $startRow <= 240; $startRow += $chunkSize) {

echo 'Loading WorkSheet using configurable filter for headings row 1 and for rows ',$startRow,' to ',($startRow+$chunkSize-1),'<br />';

/** Create a new Instance of our Read Filter, passing in the limits on which rows we want to read **/

$chunkFilter = new chunkReadFilter($startRow,$chunkSize);

/** Tell the Reader that we want to use the new Read Filter that we've just Instantiated **/

$objReader->setReadFilter($chunkFilter);

/** Load only the rows that match our filter from $inputFileName to a PHPExcel Object **/

$objPHPExcel = $objReader->load($inputFileName);

// Do some processing here

$sheetData = $objPHPExcel->getActiveSheet()->toArray(null,true,true,true);

var_dump($sheetData);

echo '<br /><br />';

}

?>

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