PHP Pie Charts & Graphs

Pie chart is a Circular Chart that is useful in comparing the share or proportion of various items. Given example shows simple Pie Chart that also includes PHP source code which you can try running locally.

<?php

$dataPoints = array( 
	array("label"=>"Chrome", "y"=>64.02),
	array("label"=>"Firefox", "y"=>12.55),
	array("label"=>"IE", "y"=>8.47),
	array("label"=>"Safari", "y"=>6.08),
	array("label"=>"Edge", "y"=>4.29),
	array("label"=>"Others", "y"=>4.59)
)

?>
<!DOCTYPE HTML>
<html>
<head>
<script>
window.onload = function() {


var chart = new CanvasJS.Chart("chartContainer", {
	animationEnabled: true,
	title: {
		text: "Usage Share of Desktop Browsers"
	},
	subtitles: [{
		text: "November 2017"
	}],
	data: [{
		type: "pie",
		yValueFormatString: "#,##0.00\"%\"",
		indexLabel: "{label} ({y})",
		dataPoints: <?php echo json_encode($dataPoints, JSON_NUMERIC_CHECK); ?>
	}]
});
chart.render();

}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; width: 100%;"></div>
<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>
</body>
</html>

Related Customization

exploded property can be used to set a pie slice to be exploded by default. Some other commonly used customization options are radius, startAngle, indexLabel, etc.