diff --git a/update/demo.php b/update/demo.php
new file mode 100644
index 0000000..6fa6d18
--- /dev/null
+++ b/update/demo.php
@@ -0,0 +1,41 @@
+<?php
+ 
+$dataPoints = array(
+	array("y" => 25, "label" => "Sunday"),
+	array("y" => 15, "label" => "Monday"),
+	array("y" => 25, "label" => "Tuesday"),
+	array("y" => 5, "label" => "Wednesday"),
+	array("y" => 10, "label" => "Thursday"),
+	array("y" => 0, "label" => "Friday"),
+	array("y" => 20, "label" => "Saturday")
+);
+ 
+?>
+<!DOCTYPE HTML>
+<html>
+<head>
+<script>
+window.onload = function () {
+ 
+var chart = new CanvasJS.Chart("chartContainer", {
+	title: {
+		text: "Push-ups Over a Week"
+	},
+	axisY: {
+		title: "Number of Push-ups"
+	},
+	data: [{
+		type: "line",
+		dataPoints: <?php echo json_encode($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>   
\ No newline at end of file
