How to Implement Google Pie Chart using Codeigniter – onlinecode

How to Implement Google Pie Chart using Codeigniter – onlinecode

In this post we will give you information about How to Implement Google Pie Chart using Codeigniter – onlinecode. Hear we will give you detail about How to Implement Google Pie Chart using Codeigniter – onlinecodeAnd how to use it also give you demo for it if it is necessary.

In this article, we will explain to you how to Implement Google Pie Chart using Codeigniter. today we will fetch data into MySQL, and plot a Pie graph.

There are many types of charts provide by Google, like a bar chart, area chart, line chart, pie chart, etc. but here we use a Pie chart.

In this article, we will plot a Pie graph using Google API. so you can see below the following steps.


Step 1: Create a Database in tableStep 2: Connect to DatabaseStep 3: Create ControllerStep 4: Create View File

Step 1: Create a Database in tableIn this step, we have to create a table in the database, so we will create a database using the below code.

CREATE TABLE 'login_history' (
  'id' int(11) NOT NULL,
  'user_id' int(11) NOT NULL,
  'login_date' timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(),
   PRIMARY KEY ('id')

Step 2: Connect to DatabaseGo to the config folder and open database.php file some changes in this file like hostname, database username, database password, and database name.

$db['default'] = array(
	'dsn'	=> '',
	'hostname' => 'localhost',
	'username' => 'root',
	'password' => '',
	'database' => 'enter here database name',
	'dbdriver' => 'mysqli',
	'dbprefix' => '',
	'pconnect' => FALSE,
	'db_debug' => (ENVIRONMENT !== 'production'),
	'cache_on' => FALSE,
	'cachedir' => '',
	'char_set' => 'utf8',
	'dbcollat' => 'utf8_general_ci',
	'swap_pre' => '',
	'encrypt' => FALSE,
	'compress' => FALSE,
	'stricton' => FALSE,
	'failover' => array(),
	'save_queries' => TRUE

Step 3: Create ControllerIn this step, we will create a Googlechart.php file in the “application/controller” directory and paste the below code in this controller. here we will count user login data and fetch data last 7 days of data from the database. that data will be pass in a chart and creating a Pie graph.application/controller/Googlechart.php

defined('BASEPATH') OR exit('No direct script access allowed');
class Googlechart extends CI_Controller {
    public function __construct() {
        // load model
    public function pie_chart() {
      $query =  $this->db->query('SELECT DATE_FORMAT(login_date, "%Y-%m-%d") AS 'date', COUNT('login_date') as count FROM login_history WHERE date(login_date) > (DATE(NOW()) - INTERVAL 7 DAY) AND MONTH('login_date') = "'. date('m') .'" AND YEAR('login_date') = "' . date('Y') .'" GROUP BY DAYNAME('login_date') ORDER BY ('login_date') ASC'); 
      $records = $query->result_array();
	  // echo "<pre>";
	  // print_r($records);
	  // echo "</pre>"; die;
      $data = [];
      $data['chart_data'] = $records;


Step 4: Create View FileSo finally, we will create the pie_chart.php file in the “application/views/” directory.application/views/pie_chart.php

<!Doctype html>
  <title>How to Implement Google Pie Chart using Codeigniter - onlinecode</title>
  <script type="text/javascript" src=""></script> 
  <script type="text/javascript">
      google.charts.load('visualization', "1", {
          packages: ['corechart']
<div id="pie_chart" style="width: 900px; height: 500px; margin: 0 auto"></div>
<script language="JavaScript">
  // Draw the Pie chart 
  //for month wise
  function pieChart() {
        /* Define the chart to be drawn.*/
        var data = google.visualization.arrayToDataTable([
            ['Month', 'Users Count'],
             foreach ($chart_data as $row){
             echo "['".$row['date']."',".$row['count']."],";
        var options = {
            title: 'Last 7 day Wise Login Users Count',
            is3D: true,
        /* Instantiate and draw the chart.*/
        var chart = new google.visualization.PieChart(document.getElementById('pie_chart'));
        chart.draw(data, options);

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