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I have been reading through the documentation and I have managed to create a Horizontal bar chart but I am currently struggling to create a vertical bar chart. Please could someone point me into the right direction?

 

$data = array(
    'legend' => array('Legend 1', 'Legend 2', 'Legend 3'),
    'data' => array(
        array(
            'name' => 'data 1',
            'values' => array(10, 20, 5),
        ),
        array(
            'name' => 'data 2',
            'values' => array(20, 60, 3),
        ),
        array(
            'name' => 'data 3',
            'values' => array(50, 33, 7),
        ),
    ),
);

$paramsChart = array(
    'data' => $data,
    'type' => 'barChart',
    'color' => '3',
    'perspective' => '10',
    'rotX' => '10',
    'rotY' => '10',
    'chartAlign' => 'center',
    'sizeX' => '10',
    'sizeY' => '10',
    'legendPos' => 'b',
    'legendOverlay' => '0',
    'border' => '1',
    'hgrid' => '3',
    'vgrid' => '0',
    'groupBar' => 'stacked',
    'barDirection' => 'col' // Set barDirection to 'col' for vertical bars
);
$docx->addChart($paramsChart);

$chart = new WordFragment($docx, 'document');
$chart->addChart($paramsChart);
$docx->replaceVariableByWordFragment(array('CHART' => $chart), array('type' => 'block'));