how to create bar chart in php and mysql?

Today, We want to share with you how to create bar chart in php and mysql.In this post we will show you how to create pie chart in php using database values, hear for chart.js – getting data from database using mysql and php we will give you demo and example for implement.In this post, we will learn about PHP Laravel Charts and Graphs Data from Database with an example.

Create Dynamic Bar Chart with JavaScript, PHP & MySQL

here in this Example You learn All About Example of bar chart in php mysql source code, how to create dashboard in php mysql with demo and full source code.

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Step 1: Create Database Table

CREATE TABLE `citizens` (
  `id` int(10) UNSIGNED NOT NULL,
  `continent` varchar(255) NOT NULL,
  `pop_percent` varchar(255) NOT NULL,
  `pop_total` varchar(255) NOT NULL

INSERT INTO `citizens` (`id`, `continent`, `pop_percent`, `pop_total`) VALUES
(1, 'Rajkot', '59.69', '4,436,224,110'),
(2, 'Surat', '16.36', '1,216,130,110'),
(3, 'Ahemdabad', '9.94', '738,849,110'),
(4, 'Bhavnagar', '7.79', '579,024,110'),
(5, 'Jammnagar', '7.79', '422,535,110'),
(6, 'Junaghdh', '0.54', '39,901,110'),
(7, 'Morabi', '0.01', '1,106');

Step 2: Include JavaScript Files

<script src=""></script>
<script src="graphite.js"></script>
<script src="bar_chart.js"></script>

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Step 3: Create Bar Chart Container

<div class="container">
	<div class="graph" id="barChart"></div>	

Step 4: Create Dynamic Bar Chart or Graph

$(document).ready(function() {
		type : 'POST',
		url  : 'chart_data.php',	
		success : function(response){
			var chartData = JSON.parse(response);
			var chartOptions = {
			  'height': 350,
			  'title': 'List of continents by citizens (%)',
			  'width': 1000,
			  'fixPadding': 18,
			  'barFont': [0, 12, "bold"],
			  'labelFont': [0, 13, 0]
			graphite(chartData, chartOptions, barChart);			

Step 5: Get Data from MySQL Database Table

$sqlQuery = "SELECT continent, pop_percent FROM citizens";
$resultset = mysqli_query($conn, $sqlQuery) or die("database error:". mysqli_error($conn));
$citizens = "{";
while( $records = mysqli_fetch_array($resultset) ) {
$data[] = $citizens;
echo json_encode($data);

I hope you get an idea about how to create line chart in php and mysql.
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