Upgrade mitoteam/jpgraph (#3603)

They have made some changes at my request, the major effect of which is that it will now work with 33_Chart_create_bar_stacked. This is a departure for them in that they have changed the functionality of jpgraph, not merely made sure that it is compatible with new Php releases.

README.md

@@ -74,7 +74,7 @@ or the appropriate PDF Writer wrapper for the library that you have chosen to in
 For Chart export, we support following packages, which you will also need to install yourself using `composer require`
  - [jpgraph/jpgraph](https://packagist.org/packages/jpgraph/jpgraph) (this package was abandoned at version 4.0. 
    You can manually download the latest version that supports PHP 8 and above from [jpgraph.net](https://jpgraph.net/))
- - [mitoteam/jpgraph](https://packagist.org/packages/mitoteam/jpgraph) - fork with modern PHP versions support.
+ - [mitoteam/jpgraph](https://packagist.org/packages/mitoteam/jpgraph) - up to date fork with modern PHP versions support and some bugs fixed.
 
 and then configure PhpSpreadsheet using:
 ```php

composer.json

@@ -87,7 +87,7 @@
         "dealerdirect/phpcodesniffer-composer-installer": "dev-main",
         "dompdf/dompdf": "^1.0 || ^2.0",
         "friendsofphp/php-cs-fixer": "^3.2",
-        "mitoteam/jpgraph": "^10.2.4",
+        "mitoteam/jpgraph": "^10.3",
         "mpdf/mpdf": "^8.1.1",
         "phpcompatibility/php-compatibility": "^9.3",
         "phpstan/phpstan": "^1.1",

samples/Chart/35_Chart_render33.php

@@ -24,10 +24,7 @@
     $unresolvedErrors = [];
 } else {
     $unresolvedErrors = [
-        // The following spreadsheet was created by 3rd party software,
-        // and doesn't include the data that usually accompanies a chart.
-        // That is good enough for Excel, but not for JpGraph.
-        '33_Chart_create_bar_stacked.xlsx',
+        //'33_Chart_create_bar_stacked.xlsx', // fixed with mitoteam/jpgraph 10.3
     ];
 }
 foreach ($inputFileNames as $inputFileName) {

src/PhpSpreadsheet/Chart/Renderer/MtJpGraphRenderer.php

@@ -3,12 +3,12 @@
 namespace PhpOffice\PhpSpreadsheet\Chart\Renderer;
 
 /**
- * Jpgraph is not oficially maintained in Composer.
+ * Jpgraph is not officially maintained by Composer at packagist.org.
  *
  * This renderer implementation uses package
  * https://packagist.org/packages/mitoteam/jpgraph
  *
- * This package is up to date for August 2022 and has PHP 8.1 support.
+ * This package is up to date for June 2023 and has PHP 8.2 support.
  */
 class MtJpGraphRenderer extends JpGraphRendererBase
 {
@@ -29,7 +29,7 @@ protected static function init(): void
             'regstat',
             'scatter',
             'stock',
-        ]);
+        ], true); // enable Extended mode
 
         $loaded = true;
     }