Codeigniter 4 Import Data From Excel or CSV to MySQL DB - Yudhy Network

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Yudhy Network - Codeigniter 4 import data from excel or csv file example. In this tutorial, you will learn how to import data from excel to mysql database using Codeigniter

Import data from excel or csv in CodeIgniter 4. In this tutorial, you will learn How to import data from excel to mysql database using Codeigniter 4.

Sometimes, you need to import csv or excel file data from database in codeigniter 4 app. So, this tutorial will help you step by step on how to import dynamic Excel format or csv format data inta datbase in CodeIgniter 4 app.

How to Import Data from Excel or CSV to mysql Database using Codeigniter 4

  • Download Codeigniter 4 Project
  • Basic Configurations
  • Create Table in Database
  • Setup Database Credentials
  • Create Controller
  • Create View
  • Create Route
  • Start Development Server

Step 1: Download Codeigniter 4 Project

In this step, you will download the latest version of Codeigniter 4, Go to this link https://codeigniter.com/download Download Codeigniter 4 fresh new setup and unzip the setup in your local system xampp/htdocs/ . And change the download folder name “demo”

Step 2: Basic Configurations

Next, you will set some basic configuration on the app/config/app.php file, so let’s go to application/config/config.php and open this file on text editor.

Set Base URL like this

public $baseURL = 'http://localhost:8080';
To
public $baseURL = 'http://localhost/demo/';

Step 3: Create Table in Database

In this step, you need to create table in database and as well as insert some data to implement an autocomplete search app in codeiginter 4. So visit your phpmyadmin panel and execute the following sql query in it:

CREATE TABLE `users` (
  `id` int(11) NOT NULL,
  `name` varchar(255) NOT NULL,
  `email` varchar(255) NOT NULL,
  `city` varchar(255) NOT NULL,
  `status` varchar(255) NOT NULL,
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

Step 4: Setup Database Credentials

In this step, you need to connect our project to the database. you need to go app/Config/Database.php and open database.php file in text editor. After opening the file in a text editor, you need to set up database credentials in this file like below.

	public $default = [
		'DSN'      => '',
		'hostname' => 'localhost',
		'username' => 'root',
		'password' => '',
		'database' => 'demo',
		'DBDriver' => 'MySQLi',
		'DBPrefix' => '',
		'pConnect' => false,
		'DBDebug'  => (ENVIRONMENT !== 'production'),
		'cacheOn'  => false,
		'cacheDir' => '',
		'charset'  => 'utf8',
		'DBCollat' => 'utf8_general_ci',
		'swapPre'  => '',
		'encrypt'  => false,
		'compress' => false,
		'strictOn' => false,
		'failover' => [],
		'port'     => 3306,
	];

Step 5: Create Controller

In this step, Visit app/Controllers and create a controller name Import.php. In this controller, you need to add the following methods into it:

<?php namespace App\Controllers;
use CodeIgniter\Controller;
use CodeIgniter\HTTP\RequestInterface;
use App\Models\Users;
class Import extends Controller
{
public function index() {
return view('import');
}
// File upload and Insert records
public function importFile(){
// Validation
$input = $this->validate([
'file' => 'uploaded[file]|max_size[file,1024]|ext_in[file,csv],'
]);
if (!$input) { // Not valid
$data['validation'] = $this->validator;
return view('users/index',$data); 
}else{ // Valid
if($file = $this->request->getFile('file')) {
if ($file->isValid() &amp;&amp; ! $file->hasMoved()) {
// Get random file name
$newName = $file->getRandomName();
// Store file in public/csvfile/ folder
$file->move('../public/csvfile', $newName);
// Reading file
$file = fopen("../public/csvfile/".$newName,"r");
$i = 0;
$numberOfFields = 4; // Total number of fields
$importData_arr = array();
// Initialize $importData_arr Array
while (($filedata = fgetcsv($file, 1000, ",")) !== FALSE) {
$num = count($filedata);
// Skip first row &amp; check number of fields
if($i > 0 &amp;&amp; $num == $numberOfFields){ 
// Key names are the insert table field names - name, email, city, and status
$importData_arr[$i]['name'] = $filedata[0];
$importData_arr[$i]['email'] = $filedata[1];
$importData_arr[$i]['city'] = $filedata[2];
$importData_arr[$i]['status'] = $filedata[3];
}
$i++;
}
fclose($file);
// Insert data
$count = 0;
foreach($importData_arr as $userdata){
$users = new Users();
// Check record
$checkrecord = $users->where('email',$userdata['email'])->countAllResults();
if($checkrecord == 0){
## Insert Record
if($users->insert($userdata)){
$count++;
}
}
}
// Set Session
session()->setFlashdata('message', $count.' Record inserted successfully!');
session()->setFlashdata('alert-class', 'alert-success');
}else{
// Set Session
session()->setFlashdata('message', 'File not imported.');
session()->setFlashdata('alert-class', 'alert-danger');
}
}else{
// Set Session
session()->setFlashdata('message', 'File not imported.');
session()->setFlashdata('alert-class', 'alert-danger');
}
}
return redirect()->route('/'); 
}
}

Step 6: Create View

In this step, you need to visit application/views directory. And create one view file that name home.php.

After that, add the following code into it:

<!DOCTYPE html>
<html>
<head>
<title>Codeigniter 4 Import Excel or CSV File into Database Example</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.3/css/bootstrap.min.css" />
<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
</head>
<body>
<form action="<?php echo base_url();?>import/importFile" method="post" enctype="multipart/form-data">
Upload excel file : 
<input type="file" name="uploadFile" value="" /><br><br>
<input type="submit" name="submit" value="Upload" />
</form>
</body>
</html>

Step 7: Create Route

In this step, you need to create a route that renders the table into the view, place the following code in app/Config/Routes.php file.

$routes->get('/', 'Import::index');

Step 8: Start Development Server

In this step, open your terminal and execute the following command to start development sever:

php spark serve

Then, Go to the browser and hit below the URL:

http://localhost:8080

Conclusion

Import excel or csv file data into database in CodeIgniter 4. In this tutorial, you have learned how to import csv or excel file data into mysql database in codeigniter 4 app.

If you have any questions or thoughts to share, use the comment form below to reach us.

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