Attachment Loop

        # Check for attachments
        if(isset($results['Related']) || isset($results['Attachments']))
        {
            function walk_func(&$el, $key, $params)
            {
                global $database;

                $email_id = $params[0];
                $last_email_id = $params[1];
                $last_email_message_id = $params[2];
                $fromEmail = $params[3];
                $new_email = $params[4];

                /*
                # Debug
                print_r($params);
                echo "Email ID: ".$email_id."\n";
                echo "Last Email ID: ".$last_email_id."\n";
                echo "Last Email Message ID: ".$last_email_message_id."\n";
                echo "From Email: ".$fromEmail."\n";
                echo "New Email: ".$new_email."\n";
                 */

                $file_data = $el['Data'];
                $filename = $el['FileName'];
                $filename = preg_replace('/[^0-9,a-z,\.,_]*/i', '', str_replace(' ', '_', $filename));

                if($new_email == true)
                {
                    $database->query('INSERT INTO email_attachments (email_id, file_name, created) VALUES (?, ?, NOW())', array($last_email_id, $filename));
                }
                else {
                    $database->query('INSERT INTO email_attachments (email_id, reply_id, file_name, created) VALUES (?, ?, ?, NOW())', array($email_id, $last_email_message_id, $filename));
                }

                $last_attachment_id = $database->lastInsertId();

                # Write the data to the file
                if(!is_dir(ATTACHMENTS.$fromEmail.DS.$last_email_id.DS.$last_attachment_id))
                {
                    mkdir(ATTACHMENTS.$fromEmail.DS.$last_email_id.DS.$last_attachment_id.DS, 0755, true);
                }
                $fp = fopen(ATTACHMENTS.$fromEmail.DS.$last_email_id.DS.$last_attachment_id.DS.$filename, 'w');
                $written = fwrite($fp, $file_data);
                fclose($fp);

                $database->query('UPDATE email_attachments SET file_size = :filesize WHERE id = :lastattachmentid', array(':filesize' => filesize(ATTACHMENTS.$fromEmail.DS.$last_email_id.DS.$last_attachment_id.DS.$filename), ':lastattachmentid' => $last_attachment_id));
            };

            $data = array($email_id, $last_email_id, $last_email_message_id, $fromEmail, $new_email);
            if(isset($results['Related']))
            {
                array_walk($results['Related'], 'walk_func', $data);
            }

            if(isset($results['Attachments']))
            {
                array_walk($results['Attachments'], 'walk_func', $data);
            }
        }