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- <?php
-
- ?>
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
-
- <title>PHPExcel Reader Example #15</title>
-
- </head>
- <body>
-
- <h1>PHPExcel Reader Example #14</h1>
- <h2>Reading a Large CSV file in "Chunks" to split across multiple Worksheets</h2>
- <?php
-
- /** Include path **/
- set_include_path(get_include_path() . PATH_SEPARATOR . '../../../Classes/');
-
- /** PHPExcel_IOFactory */
- include 'PHPExcel/IOFactory.php';
-
-
- $inputFileType = 'CSV';
- $inputFileName = './sampleData/example2.csv';
-
- /** 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 = 100;
- /** 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 **/
- /** and that we want to store it in contiguous rows/columns **/
- $objReader->setReadFilter($chunkFilter)
- ->setContiguous(true);
-
-
- /** Instantiate a new PHPExcel object manually **/
- $objPHPExcel = new PHPExcel();
-
- /** Set a sheet index **/
- $sheet = 0;
- /** Loop to read our worksheet in "chunk size" blocks **/
- /** $startRow is set to 2 initially because we always read the headings in row #1 **/
- for ($startRow = 2; $startRow <= 240; $startRow += $chunkSize) {
- echo 'Loading WorkSheet #',($sheet+1),' 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);
-
- /** Increment the worksheet index pointer for the Reader **/
- $objReader->setSheetIndex($sheet);
- /** Load only the rows that match our filter into a new worksheet in the PHPExcel Object **/
- $objReader->loadIntoExisting($inputFileName,$objPHPExcel);
- /** Set the worksheet title (to reference the "sheet" of data that we've loaded) **/
- /** and increment the sheet index as well **/
- $objPHPExcel->getActiveSheet()->setTitle('Country Data #'.(++$sheet));
- }
-
-
- echo '<hr />';
-
- echo $objPHPExcel->getSheetCount(),' worksheet',(($objPHPExcel->getSheetCount() == 1) ? '' : 's'),' loaded<br /><br />';
- $loadedSheetNames = $objPHPExcel->getSheetNames();
- foreach($loadedSheetNames as $sheetIndex => $loadedSheetName) {
- echo '<b>Worksheet #',$sheetIndex,' -> ',$loadedSheetName,'</b><br />';
- $objPHPExcel->setActiveSheetIndexByName($loadedSheetName);
- $sheetData = $objPHPExcel->getActiveSheet()->toArray(null,false,false,true);
- var_dump($sheetData);
- echo '<br />';
- }
-
- ?>
- <body>
- </html>
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