Updates to 3rd party libraries

Add Dockerfile and specific docker-php.ini

inc/vendor/phpoffice/phpspreadsheet/tests/PhpSpreadsheetTests/Functional/PrintAreaTest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheetTests\Functional;
+
+use PhpOffice\PhpSpreadsheet\Reader\BaseReader;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+
+class PrintAreaTest extends AbstractFunctional
+{
+    public function providerFormats()
+    {
+        return [
+            ['Xls'],
+            ['Xlsx'],
+        ];
+    }
+
+    /**
+     * @dataProvider providerFormats
+     *
+     * @param string $format
+     */
+    public function testPageSetup($format)
+    {
+        // Create new workbook with 3 sheets and different print areas
+        $spreadsheet = new Spreadsheet();
+        $worksheet1 = $spreadsheet->getActiveSheet()->setTitle('Sheet 1');
+        $worksheet1->getPageSetup()->setPrintArea('A1:B1');
+
+        for ($i = 2; $i < 4; ++$i) {
+            $sheet = $spreadsheet->createSheet()->setTitle("Sheet $i");
+            $sheet->getPageSetup()->setPrintArea("A$i:B$i");
+        }
+
+        $reloadedSpreadsheet = $this->writeAndReload($spreadsheet, $format, function (BaseReader $reader) {
+            $reader->setLoadSheetsOnly(['Sheet 1', 'Sheet 3']);
+        });
+
+        $actual1 = $reloadedSpreadsheet->getSheetByName('Sheet 1')->getPageSetup()->getPrintArea();
+        $actual3 = $reloadedSpreadsheet->getSheetByName('Sheet 3')->getPageSetup()->getPrintArea();
+        self::assertSame('A1:B1', $actual1, 'should be able to write and read normal page setup');
+        self::assertSame('A3:B3', $actual3, 'should be able to write and read page setup even when skipping sheets');
+    }
+}