Google Bar Chart With PHP MYSQL

The example below takes the names, height and age from a database table and outputs it into a simple chart. The original chart was a yearly chart which displayed year, sales and expenses. The key to this example, is to get the desired code into the Javascript.

Here is what we want to change:

var data = google.visualization.arrayToDataTable([
[‘Year’, ‘Sales’, ‘Expenses’], [‘2004’, 1000, 400], [‘2005’, 1170, 460], [‘2006’, 660, 1120], [‘2007’, 1030, 540] ]);

Here is what we want to change it to:

var data = google.visualization.arrayToDataTable([
[‘Name’, ‘Height’, ‘Weight’],
<?php echo implode(“,”, $myurl); ?>
]);

Full Code:
<?php

session_start();

include(‘connect.inc’);

$db=public_db_connect();
//get columnname id

$command = “SELECT firstname, lastname, height, weight FROM table_sort WHERE height<>’’ AND weight<>’’ “;

$result = mysqli_query($db, $command);

while ($row = mysqli_fetch_assoc($result)) {

$firstname = trim(addslashes($row[‘firstname’]));

$lastname = trim(addslashes($row[‘lastname’]));

$height = $row[‘height’];

$height = preg_replace(‘/\D/’, ‘’, $height);

$weight = $row[‘weight’];

$weight  = preg_replace(‘/\D/’, ‘’, $weight);
$myurl[] = “[‘”.$firstname.” “.$lastname.”’, “.$height.”,”.$weight.”]”;
}
print_r($myurl);

echo implode(“,”, $myurl);

?>

<html>

<head>

<script type=”text/javascript” src=”https://www.google.com/jsapi”></script>

<script type=”text/javascript”>

google.load(“visualization”, “1”, {packages:[“corechart”]});

google.setOnLoadCallback(drawChart);

function drawChart() {

var data = google.visualization.arrayToDataTable([

[‘Name’, ‘Height’, ‘Weight’],

/* [‘2004’,  1000,      400],

[‘2005’,  1170,      460],

[‘2006’,  660,       1120],

[‘2007’,  1030,      540]*/

<?php echo implode(“,”, $myurl); ?>

]);
var options = {

title: ‘Company Height and Weight’,

vAxis: {title: ‘Members’,  titleTextStyle: {color: ‘red’}}

};
var chart = new google.visualization.BarChart(document.getElementById(‘chart_div’));

chart.draw(data, options);

}

</script>

</head>

<body>

<div id=”chart_div” style=”width: 900px; height: 500px;”></div>

</body>

</html>

Google Bar Chart With PHP MYSQL

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