exampleReader12.php
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<?php
error_reporting(E_ALL);
set_time_limit(0);
date_default_timezone_set('Europe/London');
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>PHPExcel Reader Example #12</title>
</head>
<body>
<h1>PHPExcel Reader Example #12</h1>
<h2>Reading a Workbook in "Chunks" Using a Configurable Read Filter (Version 2)</h2>
<?php
/** Set Include path to point at the PHPExcel Classes folder **/
set_include_path(get_include_path() . PATH_SEPARATOR . '../../../Classes/');
/** Include 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 $_endRow = 0;
/** Set the list of rows that we want to read */
public function setRows($startRow, $chunkSize) {
$this->_startRow = $startRow;
$this->_endRow = $startRow + $chunkSize;
}
public function readCell($column, $row, $worksheetName = '') {
// Only read the heading row, and the rows that are configured in $this->_startRow and $this->_endRow
if (($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 to read for each "chunk" **/
$chunkSize = 20;
/** Create a new Instance of our Read Filter **/
$chunkFilter = new chunkReadFilter();
/** Tell the Reader that we want to use the Read Filter that we've Instantiated **/
$objReader->setReadFilter($chunkFilter);
/** 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 />';
/** Tell the Read Filter, the limits on which rows we want to read this iteration **/
$chunkFilter->setRows($startRow,$chunkSize);
/** 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 />';
}
?>
<body>
</html>