KoolChart - Excellent PHP Chart and GraphFullVersion 2.6.0.2 released on 25/11/2016

To make a column or bar series stacked, you do:

    $series->Stacked = TRUE;//default = FALSE
    

<?php
    $KoolControlsFolder = "../../../../KoolControls";//Relative path to "KoolPHPSuite/KoolControls" folder
 
    require $KoolControlsFolder."/KoolChart/koolchart.php";
 
    $chart = new KoolChart("chart");
    $chart->scriptFolder=$KoolControlsFolder."/KoolChart";	
    $chart->Title->Text = "Sales report for 2012";
    $chart->Width = 680;
    $chart->Height = 500;
    $chart->PlotArea->XAxis->Title = "Quarters";
    $chart->PlotArea->XAxis->Set(array("Q1","Q2","Q3","Q4"));
    $chart->PlotArea->YAxis->Title = "Sales ( .millions)";
    $chart->PlotArea->YAxis->LabelsAppearance->DataFormatString = "$ {0}";
 
    $series = new ColumnSeries();
    $series->Stacked = TRUE;
    $series->Name = "TVs";
    $series->TooltipsAppearance->DataFormatString = "$ {0} millions {1}";
    $series->ArrayData(array(20,30,40,70));
    $chart->PlotArea->AddSeries($series);
 
    $series = new ColumnSeries();
    $series->Stacked = TRUE;
    $series->Name = "Computers";
    $series->TooltipsAppearance->DataFormatString = "$ {0} millions {1}";
    $series->ArrayData(array(34,55,10,40));
    $chart->PlotArea->AddSeries($series);
 
    $series = new ColumnSeries();
    $series->Name = "Tablets & e-readers";
    $series->TooltipsAppearance->DataFormatString = "$ {0} millions {1}";
    $series->ArrayData(array(56,23,56,80));
    $chart->PlotArea->AddSeries($series);
 
    $chart2 = new KoolChart("chart2");
    $chart2->scriptFolder=$KoolControlsFolder."/KoolChart";	
    $chart2->Title->Text = "Sales report for 2012";
    $chart2->Width = 680;
    $chart2->Height = 480;
    $chart2->Legend->Appearance->Position = "top";
    $chart2->PlotArea->XAxis->Title = "Quarters";
    $chart2->PlotArea->XAxis->Set(array("Q1","Q2","Q3","Q4"));
    $chart2->PlotArea->YAxis->Title = "Sales (millions)";
    $chart2->PlotArea->YAxis->LabelsAppearance->DataFormatString = "$ {0}";
 
    $series = new BarSeries();
    $series->Stacked = TRUE;
    $series->Name = "TVs";
    $series->TooltipsAppearance->DataFormatString = "$ {0} millions {1}";
    $series->ArrayData(array(20,30,40,70));
    $chart2->PlotArea->AddSeries($series);
 
    $series = new BarSeries();
    $series->Stacked = TRUE;
    $series->Name = "Computers";
    $series->TooltipsAppearance->DataFormatString = "$ {0} millions {1}";
    $series->ArrayData(array(34,55,10,40));
    $chart2->PlotArea->AddSeries($series);
 
    $series = new BarSeries();
    $series->Stacked = TRUE;
    $series->Name = "Tablets & e-readers";
    $series->TooltipsAppearance->DataFormatString = "$ {0} millions {1}";
    $series->ArrayData(array(56,23,56,80));
    $chart2->PlotArea->AddSeries($series);    
?>
 
<form id="form1" method="post">
    <div>
            <?php echo $chart->Render();?>
    </div>			
 
    <div>
            <?php echo $chart2->Render();?>
    </div>						
    <div><i>* <u>Note</u>:</i>Generate your own chart with <a style="color:#B8305E;" target="_blank" href="http://codegen.koolphp.net/generate_koolchart.php">Code Generator</a></div>
</form>

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