Fix Countable Int (bis)

Author: PowerKiKi

src/PhpSpreadsheet/Chart/Renderer/JpGraph.php

@@ -344,7 +344,7 @@ private function renderPlotBar($groupID, $dimensions = '2d')
         }
         $grouping = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
 
-        $labelCount = count($this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount());
+        $labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount();
         if ($labelCount > 0) {
             $datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
             $datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels, $labelCount, $rotation);
@@ -549,7 +549,7 @@ private function renderPlotStock($groupID)
         }
 
         // Set the x-axis labels
-        $labelCount = count($this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount());
+        $labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount();
         if ($labelCount > 0) {
             $datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
             $datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels, $labelCount);