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<script type="text/javascript">
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);
// function draw chart
function drawChart() {
var data = google.visualization.arrayToDataTable([<?php echo $dataArr; ?>]);
var options = {
title: '<?php echo $graphTitle;?>',
vAxis: {
<?php echo !empty($reverseDir) ? "direction: -1," : ""; ?>
viewWindow: {
<?php echo !empty($minValue) ? "min: $minValue," : ""; ?>
<?php echo !empty($maxValue) ? "max: $maxValue," : ""; ?>
}
},
legend: { position: 'bottom' }
};
var chart = new google.visualization.LineChart(document.getElementById('curve_chart'));
chart.draw(data, options);
}
</script>
<div id="curve_chart" style="width: 900px; height: 500px"></div>