balozi

<?php

// UNTESTED CODE !!!

// Upload from a posted form with a file input called 'your_field_name'
$config['upload_path'] = '/path/to/uploads/';
$config['allowed_types'] = 'pdf|txt';
$config['max_size'] = 1024; // 1 MB
$this->load->library('upload', $config);
this->upload->do_upload('your_field_name');

if ($this->upload->do_upload()) {
    $uploaddata = $this->upload->data();
}
else {
    echo $this->upload->display_errors());
    exit;
}

// Insert into database, say for page #1
$data = array('file' => $uploaddata['file_name], 'page_id' => 1);
$this->db->insert('my_images_table', data);

// In page, fetch the images with page #1
$images = $this->db->where('page_id', 1)->get('my_images_table')->result_array();

// Display download links for this page
if ( count($images) ) {
    foreach ( $images as $image ) {
        echo anchor('url/to/uploads/' . $image, 'Download file ' . $image);
    }
}