How to create bar graph with Mysql dynamic data

Source code


									header('Content-Type: application/json');

									$conn = mysqli_connect("localhost","root","","phpgraphs");

									$sqlQuery = "SELECT student_id,student_name,marks FROM tbl_marks ORDER BY student_id";

									$result = mysqli_query($conn,$sqlQuery);

									$data = array();
									foreach ($result as $row) {
										$data[] = $row;


									echo json_encode($data);


									<!DOCTYPE html>
									  <title>Creating dynamic data graph using PHP and Chart.js</title>
									  <style type="text/css">
									    BODY {
									      width: 550PX;

									    #chart-container {
									      width: 100%;
									      height: auto;
									    .card {
									      position: relative;
									      display: -webkit-box;
									      display: -ms-flexbox;
									      display: flex;
									      -webkit-box-orient: vertical;
									      -webkit-box-direction: normal;
									      -ms-flex-direction: column;
									      flex-direction: column;
									      min-width: 0;
									      word-wrap: break-word;
									      background-color: #fff;
									      background-clip: border-box;
									      border: 1px solid rgba(0, 0, 0, 0.125);
									      border-radius: 0.25rem;
									    .card-body {
									      -webkit-box-flex: 1;
									      -ms-flex: 1 1 auto;
									      flex: 1 1 auto;
									      padding: 1.25rem;
									  <script type="text/javascript" src="js/jquery.min.js"></script>
									  <script type="text/javascript" src="js/Chart.min.js"></script>
									  <div class="card-body">
									    <p>How to create bar graph with Mysql dynamic data </p>
									    <div class="card"  id="chart-container" >
									      <canvas id="graphCanvas"></canvas>
									  <script type="text/javascript">
									        url: "data.php",
									        method: "GET",
									        success: function(data){
									          var name = [];
									          var marks = [];

									          for (var i in data){

									          var chartdata = {
									            labels: name,
									            datasets: [{
									              label: 'Student Marks',
									              backgroundColor : ['#f56954', '#00a65a', '#f39c12', '#00c0ef', '#3c8dbc', '#d2d6de'],
									              borderColor: 'rgba(134, 159, 152, 1)',
									              hoverBackgroundColor: 'rgba(230, 236, 235, 0.75)',
									              hoverBorderColor: 'rgba(230, 236, 235, 0.75)',
									              data: marks

									          var graphTarget = $("#graphCanvas");
									          var barGraph = new Chart(graphTarget, {
									            type: 'bar',
									            data: chartdata,
									            options: {
									              scales: {
									                yAxes: [{
									                  ticks: {
									                    beginAtZero: true
									        error: function(data) {



Brenda Cimerolli

Very beautiful I like this code, thank you

Gloria Tracy

Thank for for good heart of teaching world

Betty Carol

Thank you code4berry, you my everything.

kamalabe costa

Thanks for the projects they are helping as beginners

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