sagacity/inc/vendor/phpoffice/phpspreadsheet/samples/Reader/11_Reading_a_workbook_in_chunks_using_a_configurable_read_filter_(version_1).php
2018-05-07 10:51:08 -04:00

65 lines
2.2 KiB
PHP

<?php
namespace Samples\Sample09;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Reader\IReadFilter;
require __DIR__ . '/../Header.php';
$inputFileType = 'Xls';
$inputFileName = __DIR__ . '/sampleData/example2.xls';
/** Define a Read Filter class implementing IReadFilter */
class ChunkReadFilter implements 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.
*
* @param mixed $startRow
* @param mixed $chunkSize
*/
public function __construct($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;
}
}
$helper->log('Loading file ' . pathinfo($inputFileName, PATHINFO_BASENAME) . ' using IOFactory with a defined reader type of ' . $inputFileType);
// Create a new Reader of the type defined in $inputFileType
$reader = IOFactory::createReader($inputFileType);
// 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) {
$helper->log('Loading WorkSheet using configurable filter for headings row 1 and for rows ' . $startRow . ' to ' . ($startRow + $chunkSize - 1));
// 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
$reader->setReadFilter($chunkFilter);
// Load only the rows that match our filter from $inputFileName to a PhpSpreadsheet Object
$spreadsheet = $reader->load($inputFileName);
// Do some processing here
$sheetData = $spreadsheet->getActiveSheet()->toArray(null, true, true, true);
var_dump($sheetData);
}