A bug occurs when creating a line chart

[3883688]

When the first element of the inserted array is null, the generated PowerPoint opens blank in office 2016. I set setDisplayBlankAs to Chart::BLANKAS_GAP

$seriesData = [
'Monday 01' => null,
'Monday 03' => 5,
'Tuesday 02' => 3,
'Wednesday 03' => 1,
'Thursday 04' => 1,
'Friday 05' => 2,
'Saturday 06' => 34,
'Sunday 07' => 1,
];
// Create templated slide
echo EOL . date('H:i:s') . ' Create templated slide' . EOL;
$currentSlide = createTemplatedSlide($objPHPPresentation);

// Create a line chart (that should be inserted in a shape)
echo date('H:i:s') . ' Create a line chart (that should be inserted in a chart shape)' . EOL;
$lineChart = new Line();
$series = new Series('Downloads', $seriesData);
$series->setShowSeriesName(false);
$series->setShowValue(false);

$series->getMarker()->getBorder()->setColor(new Color('FFFF9045'));
$series->getMarker()->getFill()->setFillType(Fill::FILL_SOLID)->setStartColor(new Color('FFFFC6A0'));
$series->getMarker()->setSymbol(Marker::SYMBOL_CIRCLE);
$series->getMarker()->setSize(6);
$oOutline = new Outline();
// Create a shape (chart)
echo date('H:i:s') . ' Create a shape (chart)' . EOL;
$shape = $currentSlide->createChartShape();
$shape->setName('')->setResizeProportional(false)->setHeight(550)->setWidth(700)->setOffsetX(120)->setOffsetY(80);
$shape->setShadow($oShadow);
$shape->setFill($oFill);
$shape->setDisplayBlankAs(Chart::BLANKAS_GAP);
$shape->getBorder()->setLineStyle(Border::LINE_NONE);
$shape->getTitle()->setText('PHPPresentation Daily Downloads AAAAAA');
$shape->getTitle()->getFont()->setItalic(true);
$shape->getPlotArea()->setType($lineChart);
$shape->getView3D()->setRotationX(30);
$shape->getView3D()->setPerspective(30);
$shape->getLegend()->getBorder()->setLineStyle(Border::LINE_NONE);
$shape->getLegend()->getFont()->setItalic(true);
$shape->getPlotArea()->getAxisX()->setMajorUnit(1);
$shape->getPlotArea()->getAxisY()->setMajorUnit(1);