PHP Bar Charts & Graphs

Download PHP Chart Samples

Bar Chart is represented by horizontal rectangular bars to compare value between different categories / data-series. The below example shows simple PHP Bar Chart along with source code that you can try running locally.

<?php

$dataPoints = array( 
	array("y" => 7,"label" => "March" ),
	array("y" => 12,"label" => "April" ),
	array("y" => 28,"label" => "May" ),
	array("y" => 18,"label" => "June" ),
	array("y" => 41,"label" => "July" )
);

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

var chart = new CanvasJS.Chart("chartContainer", {
	animationEnabled: true,
	title:{
		text: "Revenue Chart of Acme Corporation"
	},
	axisY: {
		title: "Revenue (in USD)",
		includeZero: true,
		prefix: "$",
		suffix:  "k"
	},
	data: [{
		type: "bar",
		yValueFormatString: "$#,##0K",
		indexLabel: "{y}",
		indexLabelPlacement: "inside",
		indexLabelFontWeight: "bolder",
		indexLabelFontColor: "white",
		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://cdn.canvasjs.com/canvasjs.min.js"></script>
</body>
</html>

Chart Customizations

You can enable Index / Data Labels for the data points using the indexLabel property. Some of the other commonly used customization options include color, dataPointWidth, etc.