filledlineex03.php

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    <?php // content="text/plain; charset=utf-8"
    require_once ("jpgraph/jpgraph.php");
    require_once ("jpgraph/jpgraph_line.php");

    $datay = array(11,30,20,13,10,'x',16,12,'x',15,4,9);

    // Setup the graph
    $graph = new Graph(400,250);
    $graph->SetScale('intlin');
    $graph->title->Set('Filled line with NULL values');
    //Make sure data starts from Zero whatever data we have
    $graph->yscale->SetAutoMin(0);

    $p1 = new LinePlot($datay);
    $p1->SetFillColor('lightblue');
    $graph->Add($p1);

    // Output line
    $graph->Stroke();

    ?>