PHP Text::format_file_size方法代码示例

                // Only courseadmin or group members allowed
            } else {
                exit;
            }
        } elseif ($is_allowed_to_edit || is_my_shared_folder(api_get_user_id(), $_POST['curdirpath'], api_get_session_id())) {
        } else {
            // No course admin and no group member...
            exit;
        }
        if (!empty($_FILES)) {
            $file = $_FILES['file'];
            $result = DocumentManager::upload_document($_FILES, $_POST['curdirpath'], $file['name'], null, 0, 'overwrite', false, false);
            $json = array();
            $json['name'] = Display::url(api_htmlentities($file['name']), api_htmlentities($result['url']), array('target' => '_blank'));
            $json['type'] = api_htmlentities($file['type']);
            $json['size'] = Text::format_file_size($file['size']);
            if (!empty($result) && is_array($result)) {
                $json['result'] = Display::return_icon('accept.png', get_lang('Uploaded'));
            } else {
                $json['result'] = Display::return_icon('exclamation.png', get_lang('Error'));
            }
            echo json_encode($json);
        }
        break;
    case 'document_preview':
        $course_info = api_get_course_info_by_id($_REQUEST['course_id']);
        if (!empty($course_info) && is_array($course_info)) {
            echo DocumentManager::get_document_preview($course_info, false, '_blank', $_REQUEST['session_id']);
        }
        break;
}

        $column_show[] = 0;
        // Here we change the way how the colums are going to be sort
        // in this case the the column of LastResent ( 4th element in $column_header) we will be order like the column RealDate
        // because in the column RealDate we have the days in a correct format "2008-03-12 10:35:48"
        $column_order[3] = 8;
        $column_order[5] = 7;
        // The content of the sortable table = the received files
        foreach ($dropbox_person->sentWork as $dropbox_file) {
            $dropbox_file_data = array();
            if ($view_dropbox_category_sent == $dropbox_file->category) {
                $dropbox_file_data[] = $dropbox_file->id;
                $link_open = '<a href="dropbox_download.php?' . api_get_cidreq() . '&id=' . $dropbox_file->id . '">';
                $dropbox_file_data[] = $link_open . build_document_icon_tag('file', $dropbox_file->title) . '</a>';
                $dropbox_file_data[] = '<a href="dropbox_download.php?' . api_get_cidreq() . '&id=' . $dropbox_file->id . '&amp;action=download">' . Display::return_icon('save.png', get_lang('Save'), array('style' => 'float:right;'), ICON_SIZE_SMALL) . '</a>' . $link_open . $dropbox_file->title . '</a><br />' . $dropbox_file->description;
                $file_size = $dropbox_file->filesize;
                $dropbox_file_data[] = Text::format_file_size($file_size);
                $receivers_celldata = null;
                foreach ($dropbox_file->recipients as $recipient) {
                    $receivers_celldata = display_user_link_work($recipient['user_id'], $recipient['name']) . ', ' . $receivers_celldata;
                }
                $receivers_celldata = trim(trim($receivers_celldata), ',');
                // Removing the trailing comma.
                $dropbox_file_data[] = $receivers_celldata;
                $last_upload_date = api_get_local_time($dropbox_file->last_upload_date);
                $dropbox_file_data[] = date_to_str_ago($last_upload_date) . '<br /><span class="dropbox_date">' . api_format_date($last_upload_date) . '</span>';
                //$dropbox_file_data[] = $dropbox_file->author;
                $receivers_celldata = '';
                $action_icons = check_number_feedback($dropbox_file->id, $number_feedback) . ' ' . get_lang('Feedback') . '
									<a href="' . api_get_self() . '?' . api_get_cidreq() . '&view_received_category=' . $viewReceivedCategory . '&amp;view_sent_category=' . $viewSentCategory . '&amp;view=' . $view . '&amp;action=viewfeedback&amp;id=' . $dropbox_file->id . '&' . $sort_params . '">' . Display::return_icon('discuss.png', get_lang('Comment'), '', ICON_SIZE_SMALL) . '</a>
									<a href="' . api_get_self() . '?' . api_get_cidreq() . '&view_received_category=' . $viewReceivedCategory . '&amp;view_sent_category=' . $viewSentCategory . '&amp;view=' . $view . '&amp;action=movesent&amp;move_id=' . $dropbox_file->id . '&' . $sort_params . '">' . Display::return_icon('move.png', get_lang('Move'), '', ICON_SIZE_SMALL) . '</a>
									<a href="' . api_get_self() . '?' . api_get_cidreq() . '&view_received_category=' . $viewReceivedCategory . '&amp;view_sent_category=' . $viewSentCategory . '&amp;view=' . $view . '&amp;action=deletesentfile&amp;id=' . $dropbox_file->id . '&' . $sort_params . '" onclick="javascript: return confirmation(\'' . $dropbox_file->title . '\');">' . Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL) . '</a>';

function manage_form($default, $select_from_user_list = null, $sent_to = null)
{
    $group_id = isset($_REQUEST['group_id']) ? intval($_REQUEST['group_id']) : null;
    $message_id = isset($_GET['message_id']) ? intval($_GET['message_id']) : null;
    $param_f = isset($_GET['f']) ? Security::remove_XSS($_GET['f']) : '';
    $form = new FormValidator('compose_message', null, api_get_self() . '?f=' . $param_f, null, array('enctype' => 'multipart/form-data'));
    if (empty($group_id)) {
        if (isset($select_from_user_list)) {
            $form->add_textfield('id_text_name', get_lang('SendMessageTo'), true, array('class' => 'span4', 'id' => 'id_text_name', 'onkeyup' => 'send_request_and_search()', 'autocomplete' => 'off'));
            $form->addRule('id_text_name', get_lang('ThisFieldIsRequired'), 'required');
            $form->addElement('html', '<div id="id_div_search" style="padding:0px" class="message-select-box" >&nbsp;</div>');
            $form->addElement('hidden', 'user_list', 0, array('id' => 'user_list'));
        } else {
            if (!empty($sent_to)) {
                $form->addElement('html', $sent_to);
            }
            if (empty($default['users'])) {
                //fb select
                $form->addElement('select', 'users', get_lang('SendMessageTo'), array(), array('id' => 'users'));
            } else {
                $form->addElement('hidden', 'hidden_user', $default['users'][0], array('id' => 'hidden_user'));
            }
        }
    } else {
        $usergroup = new UserGroup();
        $group_info = $usergroup->get($group_id);
        $form->addElement('label', get_lang('ToGroup'), api_xml_http_response_encode($group_info['name']));
        $form->addElement('hidden', 'group_id', $group_id);
        $form->addElement('hidden', 'parent_id', $message_id);
    }
    $form->add_textfield('title', get_lang('Subject'), true, array('class' => 'span4'));
    $form->add_html_editor('content', get_lang('Message'), false, false, array('ToolbarSet' => 'Messages', 'Width' => '95%', 'Height' => '250'));
    if (isset($_GET['re_id'])) {
        $message_reply_info = MessageManager::get_message_by_id($_GET['re_id']);
        $default['title'] = get_lang('MailSubjectReplyShort') . " " . $message_reply_info['title'];
        $form->addElement('hidden', 're_id', intval($_GET['re_id']));
        $form->addElement('hidden', 'save_form', 'save_form');
        //adding reply mail
        $user_reply_info = UserManager::get_user_info_by_id($message_reply_info['user_sender_id']);
        $default['content'] = '<br />' . sprintf(get_lang('XWroteY'), api_get_person_name($user_reply_info['firstname'], $user_reply_info['lastname']), Security::filter_terms($message_reply_info['content']));
    }
    if (empty($group_id)) {
        $form->addElement('advanced_settings', get_lang('FilesAttachment') . '<span id="filepaths">
                    <div id="filepath_1">
                        <input type="file" name="attach_1"/><br />
                        ' . get_lang('Description') . '&nbsp;&nbsp;<input type="text" name="legend[]" /><br /><br />
                    </div>
                </span>');
        $form->addElement('advanced_settings', '<span id="link-more-attach"><a href="javascript://" onclick="return add_image_form()">' . get_lang('AddOneMoreFile') . '</a></span>&nbsp;(' . sprintf(get_lang('MaximunFileSizeX'), Text::format_file_size(api_get_setting('message_max_upload_filesize'))) . ')');
    }
    $form->addElement('style_submit_button', 'compose', api_xml_http_response_encode(get_lang('SendMessage')), 'class="save"');
    $form->setRequiredNote('<span class="form_required">*</span> <small>' . get_lang('ThisFieldIsRequired') . '</small>');
    if (!empty($group_id) && !empty($message_id)) {
        $message_info = MessageManager::get_message_by_id($message_id);
        $default['title'] = get_lang('MailSubjectReplyShort') . " " . $message_info['title'];
    }
    $form->setDefaults($default);
    $html = '';
    if ($form->validate()) {
        $check = Security::check_token('post');
        if ($check) {
            $user_list = $default['users'];
            $file_comments = $_POST['legend'];
            $title = $default['title'];
            $content = $default['content'];
            $group_id = isset($default['group_id']) ? $default['group_id'] : null;
            $parent_id = $default['parent_id'];
            if (is_array($user_list) && count($user_list) > 0) {
                //all is well, send the message
                foreach ($user_list as $user) {
                    $res = MessageManager::send_message($user, $title, $content, $_FILES, $file_comments, $group_id, $parent_id, null, null, api_get_user_id());
                    if ($res) {
                        if (is_string($res)) {
                            $html .= Display::return_message($res, 'error');
                        } else {
                            $user_info = api_get_user_info($user);
                            $html .= Display::return_message(get_lang('MessageSentTo') . " &nbsp;<b>" . $user_info['complete_name'] . "</b>", 'confirmation', false);
                        }
                    }
                }
            } else {
                Display::display_error_message('ErrorSendingMessage');
            }
        }
        Security::clear_token();
    } else {
        $token = Security::get_token();
        $form->addElement('hidden', 'sec_token');
        $form->setConstants(array('sec_token' => $token));
        $html .= $form->return_form();
    }
    return $html;
}

            $quota_bytes += $document_data['size'];
        }
    }
    if ($quota_bytes != 0) {
        $quota_percentage = round($quota_bytes / $total_quota_bytes, 2) * 100;
    }
    $session[] = array(addslashes(get_lang('Teacher') . ': ' . $user_name) . ' (' . Text::format_file_size($quota_bytes) . ')', $quota_percentage);
    //if a sesson is active
    if ($session_id != 0) {
        if (!empty($course_list)) {
            $total_courses_quota = 0;
            $total_quota_bytes = 0;
            foreach ($course_list as $course_data) {
                $total_quota_bytes += DocumentManager::get_course_quota($course_data['id']);
            }
            if ($quota_bytes != 0) {
                $quota_percentage = round($quota_bytes / $total_quota_bytes, 2) * 100;
            }
        }
        $session[] = array(addslashes(get_lang('Teacherinsession') . ': ' . $user_name), $quota_percentage);
    }
}
$quota_percentage = round(($total_quota_bytes - $used_quota_bytes) / $total_quota_bytes, 2) * 100;
$session[] = array(addslashes(get_lang('ShowCourseQuotaUse')) . ' (' . Text::format_file_size($total_quota_bytes - $used_quota_bytes) . ') ', $quota_percentage);
$quota_data = json_encode($session);
$htmlHeadXtra[] = "\n<script>\n\$(document).ready(function(){\n  var data = " . $quota_data . ";\n  var plot1 = jQuery.jqplot ('chart1', [data], {\n      seriesDefaults: {\n        // Make this a pie chart\n        renderer: jQuery.jqplot.PieRenderer,\n        rendererOptions: {\n          // Put data labels on the pie slices.\n          // By default, labels show the percentage of the slice.\n          showDataLabels: true\n        }\n      },\n      legend: { show:true, location: 'e' }\n    }\n  );\n});\n</script>";
$app['title'] = $tool_name;
$tpl = $app['template'];
$content = Display::page_subheader(get_lang('ShowCourseQuotaUse')) . '<div id="chart1"></div>';
$tpl->assign('content', $content);
$tpl->display_one_col_template();

$param_item_page = isset($_GET['items_page_nr']) && isset($_GET['topic_id']) ? '&items_' . intval($_GET['topic_id']) . '_page_nr=' . (!empty($_GET['topics_page_nr']) ? intval($_GET['topics_page_nr']) : 1) : '';
if (isset($_GET['topic_id'])) {
    $param_item_page .= '&topic_id=' . intval($_GET['topic_id']);
}
$page_topic = isset($_GET['topics_page_nr']) ? intval($_GET['topics_page_nr']) : 1;
$anchor_topic = isset($_GET['anchor_topic']) ? Security::remove_XSS($_GET['anchor_topic']) : null;
$url = api_get_path(WEB_PUBLIC_PATH) . 'main/social/group_topics.php?id=' . $group_id . '&anchor_topic=' . $anchor_topic . '&topics_page_nr=' . $page_topic . $param_item_page;
$form = new FormValidator('form', 'post', $url, null, array('enctype' => 'multipart/form-data'));
$form->addElement('hidden', 'action', $allowed_action);
$form->addElement('hidden', 'group_id', $group_id);
$form->addElement('hidden', 'parent_id', $message_id);
$form->addElement('hidden', 'message_id', $message_id);
$form->addElement('hidden', 'token', $tok);
if (api_get_setting('allow_message_tool') == 'true') {
    // Normal message
    $user_info = api_get_user_info($userfriend_id);
    $height = 180;
    if ($allowed_action == 'add_message_group') {
        $form->addElement('text', 'title', get_lang('Title'));
        $height = 140;
    }
    $form->addElement('html_editor', 'content');
    $form->addElement('label', null, get_lang('AttachmentFiles'));
    $form->addElement('label', null, '<div id="link-more-attach">
        <a href="javascript://" onclick="return add_image_form()">' . get_lang('AddOneMoreFile') . '</a>');
    $form->addElement('html', '<span id="filepaths"></span>');
    $form->addElement('file', 'attach_1', sprintf(get_lang('MaximunFileSizeX'), Text::format_file_size(api_get_setting('message_max_upload_filesize'))));
    $form->addElement('html', '</div>');
    $form->addElement('button', 'submit', get_lang('SendMessage'));
    $form->display();
}

         $user_name = api_get_person_name($user_info['firstname'], $user_info['lastname']);
         $user_link = '<div class="document_owner">' . get_lang('Owner') . ': ' . display_user_link_document($document_data['insert_user_id'], $user_name) . '</div>';
     }
 }
 // Icons (clickable)
 $row[] = create_document_link($document_data, true, $count, $is_visible);
 $path_info = pathinfo($document_data['path']);
 if (isset($path_info['extension']) && in_array($path_info['extension'], array('ogg', 'mp3', 'wav'))) {
     $count++;
 }
 // Validacion when belongs to a session
 $session_img = api_get_session_image($document_data['session_id'], $_user['status']);
 // Document title with link
 $row[] = create_document_link($document_data, false, null, $is_visible) . $session_img . '<br />' . $invisibility_span_open . '<i>' . nl2br(htmlspecialchars($document_data['comment'], ENT_QUOTES, $charset)) . '</i>' . $invisibility_span_close . $user_link;
 // Comments => display comment under the document name
 $display_size = Text::format_file_size($size);
 $row[] = '<span style="display:none;">' . $size . '</span>' . $invisibility_span_open . $display_size . $invisibility_span_close;
 // Last edit date
 $last_edit_date = $document_data['lastedit_date'];
 $last_edit_date = api_get_local_time($last_edit_date, null, date_default_timezone_get());
 //$display_date = date_to_str_ago($last_edit_date).'<br /><span class="dropbox_date">'.api_format_date($last_edit_date).'</span>';
 $display_date = date_to_str_ago($last_edit_date);
 $row[] = $invisibility_span_open . $display_date . $invisibility_span_close;
 // Admins get an edit column
 if ($is_allowed_to_edit || $group_member_with_upload_rights || is_my_shared_folder(api_get_user_id(), $curdirpath, $session_id)) {
     $is_template = isset($document_data['is_template']) ? $document_data['is_template'] : false;
     // If readonly, check if it the owner of the file or if the user is an admin
     if ($document_data['insert_user_id'] == api_get_user_id() || api_is_platform_admin()) {
         $edit_icons = build_edit_icons($document_data, $key, $is_template, 0, $is_visible);
     } else {
         $edit_icons = build_edit_icons($document_data, $key, $is_template, $document_data['readonly'], $is_visible);

// Link to create a folder
/*
if (!isset($_GET['createdir']) && !is_my_shared_folder($_user['user_id'], $path, api_get_session_id()) && !$is_certificate_mode) {
	echo '<a href="'.api_get_self().'?path='.$path.'&amp;createdir=1">'.Display::return_icon('new_folder.png', get_lang('CreateDir'),'',ICON_SIZE_MEDIUM).'</a>';
}*/
echo '</div>';
// Form to select directory
$folders = DocumentManager::get_all_document_folders($_course, $to_group_id, $is_allowed_to_edit);
if (!$is_certificate_mode) {
    echo build_directory_selector($folders, $document_id, isset($group_properties['directory']) ? $group_properties['directory'] : array());
}
$action = api_get_self() . '?' . api_get_cidreq() . '&id=' . $document_id;
$form = new FormValidator('upload', 'POST', $action . '#tabs-2', '', 'enctype="multipart/form-data"');
$form->addElement('hidden', 'id', $document_id);
$form->addElement('hidden', 'curdirpath', $path);
$course_quota = Text::format_file_size(DocumentManager::get_course_quota() - DocumentManager::documents_total_space());
$label = get_lang('MaxFileSize') . ': ' . ini_get('upload_max_filesize') . '<br/>' . get_lang('DocumentQuota') . ': ' . $course_quota;
$form->addElement('file', 'file', array(get_lang('File'), $label), 'style="width: 250px" id="user_upload"');
$form->addElement('text', 'title', get_lang('Title'), array('size' => '20', 'style' => 'width:300px', 'id' => 'title_file'));
$form->addElement('textarea', 'comment', get_lang('Comment'), 'wrap="virtual" style="width:300px;"');
// Advanced parameters
$form->addElement('label', null, Display::url(get_lang('AdvancedParameters'), '#', array('id' => 'upload_settings', 'class' => 'advanced_options')));
$form->addElement('html', '<div id="upload_settings_options" style="display:none">');
// Check box options
$form->addElement('checkbox', 'unzip', get_lang('Options'), get_lang('Uncompress'), 'onclick="javascript: check_unzip();" value="1"');
if (api_get_setting('search_enabled') == 'true') {
    //TODO: include language file
    $supported_formats = get_lang('SupportedFormatsForIndex') . ': HTML, PDF, TXT, PDF, Postscript, MS Word, RTF, MS Power Point';
    $form->addElement('checkbox', 'index_document', '', get_lang('SearchFeatureDoIndexDocument') . '<div style="font-size: 80%" >' . $supported_formats . '</div>');
    $form->addElement('html', '<br /><div class="sub-form">');
    $form->addElement('html', '<div class="label">' . get_lang('SearchFeatureDocumentLanguage') . '</div>');

 /**
  * This function checks if the upload succeeded
  *
  * @param array $uploaded_file ($_FILES)
  * @param bool $show_output
  *
  * @return true if upload succeeded
  */
 static function process_uploaded_file($uploaded_file, $show_output = true)
 {
     // Checking the error code sent with the file upload.
     switch ($uploaded_file['error']) {
         case 1:
             // The uploaded file exceeds the upload_max_filesize directive in php.ini.
             if ($show_output) {
                 Display::display_error_message(get_lang('UplExceedMaxServerUpload') . ini_get('upload_max_filesize'));
             }
             return false;
         case 2:
             // The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.
             // Not used at the moment, but could be handy if we want to limit the size of an upload (e.g. image upload in html editor).
             $max_file_size = intval($_POST['MAX_FILE_SIZE']);
             if ($show_output) {
                 Display::display_error_message(get_lang('UplExceedMaxPostSize') . Text::format_file_size($max_file_size));
             }
             return false;
         case 3:
             // The uploaded file was only partially uploaded.
             if ($show_output) {
                 Display::display_error_message(get_lang('UplPartialUpload') . ' ' . get_lang('PleaseTryAgain'));
             }
             return false;
         case 4:
             // No file was uploaded.
             if ($show_output) {
                 Display::display_error_message(get_lang('UplNoFileUploaded') . ' ' . get_lang('UplSelectFileFirst'));
             }
             return false;
     }
     if (!file_exists($uploaded_file['tmp_name'])) {
         // No file was uploaded.
         if ($show_output) {
             Display::display_error_message(get_lang('UplUploadFailed'));
         }
         return false;
     }
     if (file_exists($uploaded_file['tmp_name'])) {
         $filesize = filesize($uploaded_file['tmp_name']);
         if (empty($filesize)) {
             // No file was uploaded.
             if ($show_output) {
                 Display::display_error_message(get_lang('UplUploadFailedSizeIsZero'));
             }
             return false;
         }
     }
     $course_id = api_get_course_id();
     //Checking course quota if we are in a course
     if (!empty($course_id)) {
         $max_filled_space = DocumentManager::get_course_quota();
         // Check if there is enough space to save the file
         if (!DocumentManager::enough_space($uploaded_file['size'], $max_filled_space)) {
             if ($show_output) {
                 Display::display_error_message(get_lang('UplNotEnoughSpace'));
             }
             return false;
         }
     }
     // case 0: default: We assume there is no error, the file uploaded with success.
     return true;
 }

$allowed_picture_types = array('jpg', 'jpeg', 'png', 'gif');
$form->addRule('picture', get_lang('OnlyImagesAllowed') . ' (' . implode(',', $allowed_picture_types) . ')', 'filetype', $allowed_picture_types);
if (api_get_setting('pdf_export_watermark_by_course') == 'true') {
    $url = PDF::get_watermark($course_code);
    $form->add_textfield('pdf_export_watermark_text', get_lang('PDFExportWatermarkTextTitle'), false, array('size' => '60'));
    $form->addElement('file', 'pdf_export_watermark_path', get_lang('AddWaterMark'));
    if ($url != false) {
        $delete_url = '<a href="?delete_watermark">' . Display::return_icon('delete.png', get_lang('DelImage')) . '</a>';
        $form->addElement('html', '<div class="row"><div class="formw"><a href="' . $url . '">' . $url . ' ' . $delete_url . '</a></div></div>');
    }
    $form->addRule('pdf_export_watermark_path', get_lang('OnlyImagesAllowed') . ' (' . implode(',', $allowed_picture_types) . ')', 'filetype', $allowed_picture_types);
}
$group = array();
$group[] = $form->createElement('select_theme', 'course_theme', null, array('class' => ' ', 'id' => 'course_theme_id'));
$form->addGroup($group, '', array(get_lang("Stylesheets")), '');
$form->addElement('label', get_lang('DocumentQuota'), Text::format_file_size(DocumentManager::get_course_quota()));
$form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
$form->addElement('html', '</div></div>');
// COURSE ACCESS
$form->addElement('html', '<div> <h3>' . Display::return_icon('course.png', Security::remove_XSS(get_lang('CourseAccess')), '', ICON_SIZE_SMALL) . ' ' . Security::remove_XSS(get_lang('CourseAccess')) . '</h3><div>');
$group = array();
$group[] = $form->createElement('radio', 'visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
$group[] = $form->createElement('radio', 'visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
$group[] = $form->createElement('radio', 'visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
$group[] = $form->createElement('radio', 'visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
// The "hidden" visibility is only available to portal admins
if (api_is_platform_admin()) {
    $group[] = $form->createElement('radio', 'visibility', null, get_lang('CourseVisibilityHidden'), COURSE_VISIBILITY_HIDDEN);
}
$form->addGroup($group, '', array(get_lang("CourseAccess"), get_lang("CourseAccessConfigTip")), '');
$url = api_get_path(WEB_CODE_PATH) . "auth/inscription.php?c={$course_code}&e=1";

 /**
  * Get array of links (download) for message attachment files
  * @param int          message id
  * @param string    type message list (inbox/outbox)
  * @return array
  */
 public static function get_links_message_attachment_files($message_id, $type = '')
 {
     $tbl_message_attach = Database::get_main_table(TABLE_MESSAGE_ATTACHMENT);
     $message_id = intval($message_id);
     // get file attachments by message id
     $links_attach_file = array();
     if (!empty($message_id)) {
         $sql = "SELECT * FROM {$tbl_message_attach} WHERE message_id = '{$message_id}'";
         $rs_file = Database::query($sql);
         if (Database::num_rows($rs_file) > 0) {
             $attach_icon = Display::return_icon('attachment.gif', '');
             $archiveURL = api_get_path(WEB_CODE_PATH) . 'messages/download.php?type=' . $type . '&file=';
             while ($row_file = Database::fetch_array($rs_file)) {
                 $archiveFile = $row_file['path'];
                 $filename = $row_file['filename'];
                 $filesize = Text::format_file_size($row_file['size']);
                 $filecomment = $row_file['comment'];
                 $links_attach_file[] = $attach_icon . '&nbsp;<a href="' . $archiveURL . $archiveFile . '">' . $filename . '</a>&nbsp;(' . $filesize . ')' . (!empty($filecomment) ? '&nbsp;-&nbsp;<i>' . $filecomment . '</i>' : '');
             }
         }
     }
     return $links_attach_file;
 }