How to upload a zip files in codeigniter?

@mac 

To upload a zip file in Codeigniter, you can use the upload library provided by Codeigniter. Here is a step-by-step guide on how to do this:

1. Make sure you have the file upload library enabled in your Codeigniter application. You can enable it by going to the application/config/autoload.php file and loading the upload library like this:

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$autoload['libraries'] = array('upload');

1. Create a form in your view file where users can upload the zip file. Make sure the form has enctype="multipart/form-data" attribute to support file uploads. Here is an example of a form:

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<form method="post" action="<?= base_url('controller/upload_zip') ?>" enctype="multipart/form-data">
    <input type="file" name="zip_file">
    <input type="submit" value="Upload">
</form>

1. Create a controller method to handle the file upload. In this method, you will use the do_upload method of the upload library to upload the zip file. Here is an example of a controller method:

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public function upload_zip() {
    $config['upload_path'] = './uploads/';
    $config['allowed_types'] = 'zip';
    
    $this->load->library('upload', $config);

    if ($this->upload->do_upload('zip_file')) {
        $data = $this->upload->data();
        // Do something with the uploaded file
    } else {
        $error = $this->upload->display_errors();
        // Handle the upload error
    }
}

1. Make sure the ./uploads/ directory exists in your Codeigniter application and has proper write permissions for the web server.
2. That's it! Your zip file upload functionality should now be working in your Codeigniter application.