Rotate xasis labels

[rycks]

This is:

• a feature request

What is the expected behavior?

What is the current behavior?

label are only "vertical"

[rycks]

Here is what i have to add to Chart.php

--- ./vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Chart.php  2022-03-20 10:35:16.955304094 +0100
+++ /tmp/Chart.php      2022-03-20 10:35:25.359526495 +0100
@@ -479,7 +479,24 @@
         $objWriter->writeAttribute('val', 100);
         $objWriter->endElement();
 
-
+        //erics: add rotation
+        $objWriter->startElement('c:txPr');
+        $objWriter->startElement('a:bodyPr');
+        $objWriter->writeAttribute('rot', "1260000");
+        $objWriter->endElement(); //bodyPr
+        $objWriter->startElement('a:lstStyle');
+        $objWriter->endElement();
+        $objWriter->startElement('a:p');
+        $objWriter->startElement('a:pPr');
+        $objWriter->startElement('a:defRPr');
+        $objWriter->endElement(); //defRPr
+                $objWriter->endElement(); //pPr
+                $objWriter->startElement('a:endParaRPr');
+        $objWriter->writeAttribute('lang', 'en-US');
+        $objWriter->endElement(); //endParaRPr
+            $objWriter->endElement(); //p
+        $objWriter->endElement(); //txPr
+        
             
         if ($isMultiLevelSeries) {
             $objWriter->startElement('c:noMultiLvlLbl');