How To Create Line & Area Chart In Codeigniter With AmChart – onlinecode

How To Create Line & Area Chart In Codeigniter With AmChart – onlinecode

In this post we will give you information about How To Create Line & Area Chart In Codeigniter With AmChart – onlinecode. Hear we will give you detail about How To Create Line & Area Chart In Codeigniter With AmChart – 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 Create a Line & Area Chart In Codeigniter using AmCharts. today we will fetch data into MySQL, and plot a Line & Area graph.

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

We can easily integrate AmCharts with TypeScript, PHP, Angular, React. here In this article, we are using AmCharts version 3. so you can see below the following steps.

Overview

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

Step 1: Create 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')
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 AUTO_INCREMENT=1;

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 an Amchart.php file in the “application/controller” directory and paste the below code in this controller. here we will fetch data Day Wise Count Login Users Of Current Month from the database. that data will be pass in an Amchart and creating Line & Area graphs.application/controller/Amchart.php

<?php
 
defined('BASEPATH') OR exit('No direct script access allowed');
 
class Amchart extends CI_Controller {
 
    public function __construct() {
        parent::__construct();
    // load model
        $this->load->database();
        $this->load->helper(array('url','html','form'));
    }       
    public function line_chart() {
      $query =  $this->db->query('SELECT DATE_FORMAT(login_date, "%Y-%m-%d") AS 'date', COUNT('login_date') as count FROM login_history WHERE MONTH(login_date) = "' . date('m') . '" AND YEAR(login_date) = "' . date('Y') . '" GROUP BY DAY(login_date)'); 
      $records = $query->result_array();
	  // echo "<pre>";
	  // print_r($records);
	  // echo "</pre>"; die;
      $data = [];
      foreach($records as $row) {
		$data[] = ['date' => date('Y-m-d',strtotime($row['date'])), 'value' =>$row['count']];
      }
      $data['chart_data'] = json_encode($data);
      $this->load->view('line_chart',$data);
    }	

}
?>

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

<!DOCTYPE html>
<html>
	<head>
		<title>How To Create Line & Area Chart In Codeigniter With AmChart - onlinecode</title>
		<script src="https://www.amcharts.com/lib/3/amcharts.js"></script>
		<script src="https://www.amcharts.com/lib/3/serial.js"></script>
		<script src="https://www.amcharts.com/lib/3/plugins/export/export.min.js"></script>
		<link rel="stylesheet" href="#" type="text/css" media="all" />
		<script>
		var chartData = JSON.parse('<?php echo $chart_data; ?>');
		var chart = AmCharts.makeChart("chartdiv", {
			"type": "serial",
			"theme": "none",
			"marginRight": 40,
			"marginLeft": 40,
			"autoMarginOffset": 20,
			"mouseWheelZoomEnabled":true,
			"dataDateFormat": "YYYY-MM-DD",
			"valueAxes": [{
				"id": "v1",
				"axisAlpha": 0,
				"position": "left",
				"ignoreAxisWidth":true
			}],
			"balloon": {
				"borderThickness": 1,
				"shadowAlpha": 0
			},
			"graphs": [{
				"id": "g1",
				"balloon":{
				  "drop":true,
				  "adjustBorderColor":false,
				  "color":"#ffffff"
				},
				"bullet": "round",
				"bulletBorderAlpha": 1,
				"bulletColor": "#FFFFFF",
				"bulletSize": 5,
				"hideBulletsCount": 50,
				"lineThickness": 2,
				"title": "red line",
				"useLineColorForBulletBorder": true,
				"valueField": "value",
				"balloonText": "<span style='font-size:18px;'>[[value]]</span>"
			}],
			"chartScrollbar": {
				"graph": "g1",
				"oppositeAxis":false,
				"offset":30,
				"scrollbarHeight": 80,
				"backgroundAlpha": 0,
				"selectedBackgroundAlpha": 0.1,
				"selectedBackgroundColor": "#888888",
				"graphFillAlpha": 0,
				"graphLineAlpha": 0.5,
				"selectedGraphFillAlpha": 0,
				"selectedGraphLineAlpha": 1,
				"autoGridCount":true,
				"color":"#AAAAAA"
			},
			"chartCursor": {
				"pan": true,
				"valueLineEnabled": true,
				"valueLineBalloonEnabled": true,
				"cursorAlpha":1,
				"cursorColor":"#258cbb",
				"limitToGraph":"g1",
				"valueLineAlpha":0.2,
				"valueZoomable":true
			},
			"valueScrollbar":{
			  "oppositeAxis":false,
			  "offset":50,
			  "scrollbarHeight":10
			},
			"categoryField": "date",
			"categoryAxis": {
				"parseDates": true,
				"dashLength": 1,
				"minorGridEnabled": true
			},
			"export": {
				"enabled": true
			},
			"dataProvider":chartData
		});

		chart.addListener("rendered", zoomChart);

		zoomChart();

		function zoomChart() {
			chart.zoomToIndexes(chart.dataProvider.length - 40, chart.dataProvider.length - 1);
		}
		</script>
	</head>
	<body>
		<div id="chartdiv" style="width: 900px; height: 500px;"></div>
		
	</body>
</html>

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