How to upload 2 separate images in codeigniter?

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<form method="post" action="<?php echo base_url('upload/upload_images'); ?>" enctype="multipart/form-data">
    <input type="file" name="image1">
    <input type="file" name="image2">
    <button type="submit">Upload Images</button>
</form>

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<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Upload extends CI_Controller {

    public function upload_images() {
        // Set upload configuration
        $config['upload_path'] = './uploads/';
        $config['allowed_types'] = 'gif|jpg|png';
        $this->load->library('upload', $config);

        // Upload image1
        if ($this->upload->do_upload('image1')) {
            $image1_data = $this->upload->data();
            $image1_path = $image1_data['file_name'];
        }

        // Upload image2
        if ($this->upload->do_upload('image2')) {
            $image2_data = $this->upload->data();
            $image2_path = $image2_data['file_name'];
        }

        // Save the file paths to the database or do something else with them
    }
}