first commit

vendor/phpoffice/phpspreadsheet/samples/Chart/34_Chart_update.php

@@ -0,0 +1,38 @@
+<?php
+
+use PhpOffice\PhpSpreadsheet\IOFactory;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
+
+require __DIR__ . '/../Header.php';
+
+// Create temporary file that will be read
+$sampleSpreadsheet = require __DIR__ . '/../templates/chartSpreadsheet.php';
+$filename = $helper->getTemporaryFilename();
+$writer = new Xlsx($sampleSpreadsheet);
+$writer->save($filename);
+
+$helper->log('Load from Xlsx file');
+$reader = IOFactory::createReader('Xlsx');
+$reader->setIncludeCharts(true);
+$spreadsheet = $reader->load($filename);
+
+$helper->log('Update cell data values that are displayed in the chart');
+$worksheet = $spreadsheet->getActiveSheet();
+$worksheet->fromArray(
+    [
+    [50 - 12, 50 - 15, 50 - 21],
+    [50 - 56, 50 - 73, 50 - 86],
+    [50 - 52, 50 - 61, 50 - 69],
+    [50 - 30, 50 - 32, 50],
+        ],
+    null,
+    'B2'
+);
+
+// Save Excel 2007 file
+$filename = $helper->getFilename(__FILE__);
+$writer = IOFactory::createWriter($spreadsheet, 'Xlsx');
+$writer->setIncludeCharts(true);
+$callStartTime = microtime(true);
+$writer->save($filename);
+$helper->logWrite($writer, $filename, $callStartTime);