87 lines
3.2 KiB
PHP
87 lines
3.2 KiB
PHP
<?php
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namespace Samples\Sample14;
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use PhpOffice\PhpSpreadsheet\IOFactory;
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use PhpOffice\PhpSpreadsheet\Reader\IReadFilter;
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use PhpOffice\PhpSpreadsheet\Spreadsheet;
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require __DIR__ . '/../Header.php';
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$inputFileType = 'Csv';
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$inputFileName = __DIR__ . '/sampleData/example2.csv';
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/** Define a Read Filter class implementing IReadFilter */
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class ChunkReadFilter implements IReadFilter
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{
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private $startRow = 0;
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private $endRow = 0;
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/**
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* Set the list of rows that we want to read.
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*
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* @param mixed $startRow
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* @param mixed $chunkSize
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*/
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public function setRows($startRow, $chunkSize)
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{
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$this->startRow = $startRow;
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$this->endRow = $startRow + $chunkSize;
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}
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public function readCell($column, $row, $worksheetName = '')
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{
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// Only read the heading row, and the rows that are configured in $this->_startRow and $this->_endRow
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if (($row == 1) || ($row >= $this->startRow && $row < $this->endRow)) {
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return true;
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}
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return false;
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}
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}
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$helper->log('Loading file ' . pathinfo($inputFileName, PATHINFO_BASENAME) . ' using IOFactory with a defined reader type of ' . $inputFileType);
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// Create a new Reader of the type defined in $inputFileType
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$reader = IOFactory::createReader($inputFileType);
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// Define how many rows we want to read for each "chunk"
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$chunkSize = 100;
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// Create a new Instance of our Read Filter
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$chunkFilter = new ChunkReadFilter();
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// Tell the Reader that we want to use the Read Filter that we've Instantiated
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// and that we want to store it in contiguous rows/columns
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$reader->setReadFilter($chunkFilter)
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->setContiguous(true);
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// Instantiate a new PhpSpreadsheet object manually
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$spreadsheet = new Spreadsheet();
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// Set a sheet index
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$sheet = 0;
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// Loop to read our worksheet in "chunk size" blocks
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/** $startRow is set to 2 initially because we always read the headings in row #1 * */
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for ($startRow = 2; $startRow <= 240; $startRow += $chunkSize) {
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$helper->log('Loading WorkSheet #' . ($sheet + 1) . ' using configurable filter for headings row 1 and for rows ' . $startRow . ' to ' . ($startRow + $chunkSize - 1));
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// Tell the Read Filter, the limits on which rows we want to read this iteration
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$chunkFilter->setRows($startRow, $chunkSize);
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// Increment the worksheet index pointer for the Reader
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$reader->setSheetIndex($sheet);
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// Load only the rows that match our filter into a new worksheet in the PhpSpreadsheet Object
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$reader->loadIntoExisting($inputFileName, $spreadsheet);
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// Set the worksheet title (to reference the "sheet" of data that we've loaded)
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// and increment the sheet index as well
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$spreadsheet->getActiveSheet()->setTitle('Country Data #' . (++$sheet));
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}
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$helper->log($spreadsheet->getSheetCount() . ' worksheet' . (($spreadsheet->getSheetCount() == 1) ? '' : 's') . ' loaded');
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$loadedSheetNames = $spreadsheet->getSheetNames();
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foreach ($loadedSheetNames as $sheetIndex => $loadedSheetName) {
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$helper->log('<b>Worksheet #' . $sheetIndex . ' -> ' . $loadedSheetName . '</b>');
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$spreadsheet->setActiveSheetIndexByName($loadedSheetName);
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$sheetData = $spreadsheet->getActiveSheet()->toArray(null, false, false, true);
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var_dump($sheetData);
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}
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