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php mysql data charts

184_SAMADRIT DAS_CSE_C answered on September 1, 2023 Popularity 4/10 Helpfulness 1/10

answer php mysql data charts

php mysql data charts

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<?php
 
$dataPoints = array();
//Best practice is to create a separate file for handling connection to database
try{
     // Creating a new connection.
    // Replace your-hostname, your-db, your-username, your-password according to your database
    $link = new \PDO(   'mysql:host=your-hostname;dbname=your-db;charset=utf8mb4', //'mysql:host=localhost;dbname=canvasjs_db;charset=utf8mb4',
                        'your-username', //'root',
                        'your-password', //'',
                        array(
                            \PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
                            \PDO::ATTR_PERSISTENT => false
                        )
                    );
	
    $handle = $link->prepare('select x, y from datapoints'); 
    $handle->execute(); 
    $result = $handle->fetchAll(\PDO::FETCH_OBJ);
		
    foreach($result as $row){
        array_push($dataPoints, array("x"=> $row->x, "y"=> $row->y));
    }
	$link = null;
}
catch(\PDOException $ex){
    print($ex->getMessage());
}
	
?>
<!DOCTYPE HTML>
<html>
<head>  
<script>
window.onload = function () {
 
var chart = new CanvasJS.Chart("chartContainer", {
	animationEnabled: true,
	exportEnabled: true,
	theme: "light1", // "light1", "light2", "dark1", "dark2"
	title:{
		text: "PHP Column Chart from Database"
	},
	data: [{
		type: "column", //change type to bar, line, area, pie, etc  
		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>

Popularity 4/10 Helpfulness 1/10 Language php

Source: canvasjs.com

Tags: charts mysql php

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Contributed on Sep 01 2023

184_SAMADRIT DAS_CSE_C

0 Answers Avg Quality 2/10

php mysql data charts

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