hai sir i'm fresher to google charts..can anyone guide to connect the
database
here is my coding..
<?php
$servername="localhost";
$username="root";
$password="";
$database="charts";
$mysqli=new mysqli($servername, $username, $password, $database);
if($mysqli->connect_error){
die("Connection Failed: " .$mysqli->connect_error);
}
$query="select * from piechart";
$qresult=$mysqli->query($query);
$results=array();
while($res=$qresult->fetch_assoc()){
$results[]=$res;
}
$pie_chart_data=array();
foreach($results as $result)
{
$pie_chart_data[]=array($result['status'],(int)$result['num of patitent']);
}
$pie_chart_data= json_encode($pie_chart_data);
mysqli_free_result($qresult);
?>
<html>
<head>
<script type="text/javascript"
src="https://www.gstatic.com/charts/loader.js";></script>
<script type="text/javascript">
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([$pie_chart_data]);
var options = {
title: 'My Daily Activities'
};
var chart = new
google.visualization.PieChart(document.getElementById('piechart'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="piechart" style="width: 900px; height: 500px;"></div>
</body>
</html>
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