Updates to 3rd party libraries

Add Dockerfile and specific docker-php.ini

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

@@ -0,0 +1,43 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheetTests\Functional;
+
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+
+class ColumnWidthTest extends AbstractFunctional
+{
+    public function providerFormats()
+    {
+        return [
+            ['Xlsx'],
+        ];
+    }
+
+    /**
+     * @dataProvider providerFormats
+     *
+     * @param $format
+     */
+    public function testReadColumnWidth($format)
+    {
+        // create new sheet with column width
+        $spreadsheet = new Spreadsheet();
+        $sheet = $spreadsheet->getActiveSheet();
+        $sheet->setCellValue('A1', 'Hello World !');
+        $sheet->getColumnDimension('A')->setWidth(20);
+        $this->assertColumn($spreadsheet);
+
+        $reloadedSpreadsheet = $this->writeAndReload($spreadsheet, $format);
+        $this->assertColumn($reloadedSpreadsheet);
+    }
+
+    private function assertColumn(Spreadsheet $spreadsheet)
+    {
+        $sheet = $spreadsheet->getActiveSheet();
+        $columnDimensions = $sheet->getColumnDimensions();
+
+        self::assertArrayHasKey('A', $columnDimensions);
+        $column = array_shift($columnDimensions);
+        self::assertEquals(20, $column->getWidth());
+    }
+}