Overview
File uploading class is used to upload files in CodeIgniter.
Following example demonstrates how to upload a file.
- Upload.php: (application\controllers\Upload.php)
- upload.php: (application\views\upload.php)
- upload_success.php: (application\views\upload_success.php)
$this->load->library('upload'); library is used to upload a file.
application/views/upload.php
<html>
<head>
<title>Upload File</title>
</head>
<body>
<?php echo $error;?>
<?php echo form_open_multipart( 'upload/do_upload');?>
<input type="file" name="file" size="20" />
<br />
<br />
<input type="submit" value="upload" />
<?php echo form_close(); ?>
</body>
</html>application/views/upload_success.php
<html>
<head>
<title>Upload Form</title>
</head>
<body>
<h3>Your file was successfully uploaded!</h3>
<ul>
<?php foreach ($upload_data as $item=>$value):?>
<li>
<?php echo $item;?>:
<?php echo $value;?>
</li>
<?php endforeach; ?>
</ul>
</body>
</html>application/controllers/Upload.php
class Upload extends CI_Controller {
public function __construct() {
parent::__construct();
$this->load->helper(array('form', 'url'));
}
public function index() {
$this->load->view('upload', array('error' => ' ' ));
}
public function do_upload() {
$config['upload_path'] = './uploads/';
$config['allowed_types'] = 'gif|jpg|png';
$config['max_size'] = 100;
$config['max_width'] = 1024;
$config['max_height'] = 768;
$this->load->library('upload', $config);
if ( ! $this->upload->do_upload('file')) {
$error = array('error' => $this->upload->display_errors());
$this->load->view('upload_form', $error);
}
else {
$data = array('upload_data' => $this->upload->data());
$this->load->view('upload_success', $data);
}
}
}