prep for 2023. Fixed many bugs. Added pdf guide

vendor/phpoffice/phpspreadsheet/samples/Basic/01_Simple.php

@@ -0,0 +1,65 @@
+<?php
+
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+
+require __DIR__ . '/../Header.php';
+
+$spreadsheet = new Spreadsheet();
+$helper->log('Create new Spreadsheet object');
+$spreadsheet = new Spreadsheet();
+
+// Set document properties
+$helper->log('Set document properties');
+$spreadsheet->getProperties()
+    ->setCreator('Maarten Balliauw')
+    ->setLastModifiedBy('Maarten Balliauw')
+    ->setTitle('PhpSpreadsheet Test Document')
+    ->setSubject('PhpSpreadsheet Test Document')
+    ->setDescription('Test document for PhpSpreadsheet, generated using PHP classes.')
+    ->setKeywords('office PhpSpreadsheet php')
+    ->setCategory('Test result file');
+
+// Add some data
+$helper->log('Add some data');
+$spreadsheet->setActiveSheetIndex(0)
+    ->setCellValue('A1', 'Hello')
+    ->setCellValue('B2', 'world!')
+    ->setCellValue('C1', 'Hello')
+    ->setCellValue('D2', 'world!');
+
+// Miscellaneous glyphs, UTF-8
+$spreadsheet->setActiveSheetIndex(0)
+    ->setCellValue('A4', 'Miscellaneous glyphs')
+    ->setCellValue('A5', 'éàèùâêîôûëïüÿäöüç');
+
+$spreadsheet->getActiveSheet()
+    ->setCellValue('A8', "Hello\nWorld");
+$spreadsheet->getActiveSheet()
+    ->getRowDimension(8)
+    ->setRowHeight(-1);
+$spreadsheet->getActiveSheet()
+    ->getStyle('A8')
+    ->getAlignment()
+    ->setWrapText(true);
+
+$value = "-ValueA\n-Value B\n-Value C";
+$spreadsheet->getActiveSheet()
+    ->setCellValue('A10', $value);
+$spreadsheet->getActiveSheet()
+    ->getRowDimension(10)
+    ->setRowHeight(-1);
+$spreadsheet->getActiveSheet()
+    ->getStyle('A10')
+    ->getAlignment()
+    ->setWrapText(true);
+$spreadsheet->getActiveSheet()
+    ->getStyle('A10')
+    ->setQuotePrefix(true);
+
+// Rename worksheet
+$helper->log('Rename worksheet');
+$spreadsheet->getActiveSheet()
+    ->setTitle('Simple');
+
+// Save
+$helper->write($spreadsheet, __FILE__);