PHP Text::cut方法代码示例

    echo $post['title'];
    ?>
</title>
<link><?php 
    echo Option::get('siteurl') . '/blog/' . $post['slug'];
    ?>
</link>
<guid><?php 
    echo Option::get('siteurl') . '/blog/' . $post['slug'];
    ?>
</guid>
<pubDate><?php 
    echo Date::format($post['date'], 'd M Y');
    ?>
</pubDate>
<description><![CDATA[<?php 
    echo Text::toHtml(Text::cut(File::getContent(STORAGE . DS . 'pages' . DS . $post['id'] . '.page.txt'), 300));
    ?>
]]></description>
<author><?php 
    echo $post['author'];
    ?>
</author>
</item>
<?php 
}
?>
</channel>
</rss>
<?php 
Response::status(200);

 private function getSlugAfterFilter($filter)
 {
     if ($filter == '/') {
         $filter = HTML_PATH_ROOT;
     }
     // Check if the filter is in the uri.
     $position = Text::strpos($this->uri, $filter);
     if ($position === false) {
         return false;
     }
     $start = $position + Text::length($filter);
     $end = $this->uriStrlen;
     $slug = Text::cut($this->uri, $start, $end);
     $this->slug = trim($slug, '/');
     return $slug;
 }

 /**
  * @param array $category_list
  * @param string $type
  * @return null|string
  */
 public static function draw_category_label($category_list, $type = 'label')
 {
     $new_category_list = array();
     foreach ($category_list as $category) {
         $category_name = $category['title'];
         $category_name_cut = Text::cut($category['title'], 20);
         switch ($type) {
             case 'label':
                 // Global cat
                 /*
                                     $parentId = isset($category['parent_id']) && !empty($category['parent_id']) ? $category['parent_id'] : null;
                                     if (empty($parentId)) {
                                         $new_category_list[] = Display::label($category_name, 'info');
                                     } else {
                                         // Local cat
                                         $new_category_list[] = Display::label($category_name, 'success');
                                     }*/
                 $courseId = isset($category['c_id']) && !empty($category['c_id']) ? $category['c_id'] : null;
                 if (empty($courseId)) {
                     $new_category_list[] = Display::label($category_name_cut, 'info', $category_name);
                 } else {
                     // Local cat
                     $new_category_list[] = Display::label($category_name_cut, 'success', $category_name);
                 }
                 break;
             case 'header':
                 $new_category_list[] = $category_name;
                 break;
         }
     }
     $html = null;
     if (!empty($new_category_list)) {
         switch ($type) {
             case 'label':
                 $html = implode(' ', $new_category_list);
                 break;
             case 'header':
                 $html = Display::page_subheader3(get_lang('Category') . ': ' . implode(', ', $new_category_list));
                 break;
         }
     }
     return $html;
 }

            $count_users_group = count($usergroup->get_all_users_by_group($id));
            if ($count_users_group == 1) {
                $count_users_group = $count_users_group . ' ' . get_lang('Member');
            } else {
                $count_users_group = $count_users_group . ' ' . get_lang('Members');
            }
            $picture = $usergroup->get_picture_group($group['id'], $group['picture'], 80);
            $tags = $usergroup->get_group_tags($group['id']);
            $group['picture'] = '<img class="social-groups-image" src="' . $picture['file'] . '" hspace="4" height="50" border="2" align="left" width="50" />';
            $item_0 = Display::div($group['picture'], array('class' => 'box_description_group_image'));
            $members = Display::span($count_users_group, array('class' => 'box_description_group_member'));
            $item_1 = Display::div(Display::tag('h3', $url_open . $name . $url_close) . $members, array('class' => 'box_description_group_title'));
            $item_2 = '';
            $item_3 = '';
            if ($group['description'] != '') {
                $item_3 = '<div class="box_description_group_content" >' . Text::cut($group['description'], 100, true) . '</div>';
            } else {
                $item_2 = '<div class="box_description_group_title" ><span class="social-groups-text2"></span></div>';
                $item_3 = '<div class="box_description_group_content" ></div>';
            }
            $item_4 = '<div class="box_description_group_tags" >' . $tags . '</div>';
            $item_5 = '<div class="box_description_group_actions" >' . $url_open . get_lang('SeeMore') . $url_close . '</div>';
            $grid_item_2 = $item_0 . $item_1 . $item_2 . $item_3 . $item_4 . $item_5;
            $grid_groups[] = array('', $grid_item_2);
        }
    }
    $visibility = array(true, true, true, true, true);
    $social_right_content .= Display::return_sortable_grid('mygroups', array(), $grid_groups, array('hide_navigation' => true, 'per_page' => 5), $query_vars, false, $visibility);
}
$app['title'] = $tool_name;
$tpl = $app['template'];

 /**
  * Creates a list with all the exercises (quiz) in it
  * @return string
  */
 public function get_exercises()
 {
     $course_id = api_get_course_int_id();
     // New for hotpotatoes.
     $uploadPath = DIR_HOTPOTATOES;
     //defined in main_api
     $tbl_doc = Database::get_course_table(TABLE_DOCUMENT);
     $tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
     $session_id = api_get_session_id();
     $condition_session = api_get_session_condition($session_id);
     $sql_quiz = "SELECT * FROM {$tbl_quiz} WHERE c_id = {$course_id} AND active<>'-1' {$condition_session} ORDER BY title ASC";
     $sql_hot = "SELECT * FROM {$tbl_doc}  WHERE c_id = {$course_id} AND path LIKE '" . $uploadPath . "/%/%htm%'  {$condition_session} ORDER BY id ASC";
     $res_quiz = Database::query($sql_quiz);
     $res_hot = Database::query($sql_hot);
     $return = '<ul class="lp_resource">';
     $return .= '<li class="lp_resource_element">';
     $return .= Display::return_icon('new_test_small.gif');
     $return .= '<a href="' . api_get_path(REL_CODE_PATH) . 'exercice/exercise_admin.php?lp_id=' . $this->lp_id . '">' . get_lang('NewExercise') . '</a>';
     $return .= '</li>';
     // Display hotpotatoes
     while ($row_hot = Database::fetch_array($res_hot)) {
         $return .= '<li class="lp_resource_element" data_id="' . $row_hot['id'] . '" data_type="hotpotatoes" title="' . $row_hot['title'] . '" >';
         $return .= '<a class="moved" href="#">';
         $return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
         $return .= '</a> ';
         $return .= Display::return_icon('hotpotatoes_s.png');
         $return .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&amp;action=add_item&amp;type=' . TOOL_HOTPOTATOES . '&amp;file=' . $row_hot['id'] . '&amp;lp_id=' . $this->lp_id . '">' . (!empty($row_hot['comment']) ? $row_hot['comment'] : Security::remove_XSS($row_hot['title'])) . '</a>';
         $return .= '</li>';
     }
     while ($row_quiz = Database::fetch_array($res_quiz)) {
         $return .= '<li class="lp_resource_element" data_id="' . $row_quiz['iid'] . '" data_type="quiz" title="' . $row_quiz['title'] . '" >';
         $return .= '<a class="moved" href="#">';
         $return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
         $return .= '</a> ';
         $return .= Display::return_icon('quizz_small.gif');
         $return .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&amp;action=add_item&amp;type=' . TOOL_QUIZ . '&amp;file=' . $row_quiz['iid'] . '&amp;lp_id=' . $this->lp_id . '">' . Security::remove_XSS(Text::cut($row_quiz['title'], 80)) . '</a>';
         $return .= '</li>';
     }
     $return .= '</ul>';
     return $return;
 }

        <div class="span3">
            <a class="profile_link" href="' . $userInfo['profile_url'] . '">' . $userInfo['complete_name'] . '</a>
            <div>' . $title . ' : ' . $content . '</div>
            <div>' . get_lang('DateSend') . ' : ' . $date . '</div>
            </div>
        </div>';
    }
}
if (count($pending_invitations) > 0) {
    $social_right_content .= Display::page_subheader(get_lang('GroupsWaitingApproval'));
    $new_invitation = array();
    foreach ($pending_invitations as $invitation) {
        $picture = $usergroup->get_picture_group($invitation['id'], $invitation['picture'], 80);
        $img = '<img class="social-groups-image" src="' . $picture['file'] . '" hspace="4" height="50" border="2" align="left" width="50" />';
        $invitation['picture'] = '<a href="groups.php?id=' . $invitation['id'] . '">' . $img . '</a>';
        $invitation['name'] = '<a href="groups.php?id=' . $invitation['id'] . '">' . Text::cut($invitation['name'], 120, true) . '</a>';
        $invitation['join'] = '<a class="btn btn-primary" href="invitations.php?accept=' . $invitation['id'] . '">' . get_lang('AcceptInvitation') . '</a>';
        $invitation['deny'] = '<a class="btn btn-danger" href="invitations.php?deny=' . $invitation['id'] . '">' . get_lang('DenyInvitation') . '</a>';
        $invitation['description'] = Text::cut($invitation['description'], 220, true);
        $new_invitation[] = $invitation;
    }
    $social_right_content .= Display::return_sortable_grid('waiting_user', array(), $new_invitation, array('hide_navigation' => true, 'per_page' => 100), array(), false, array(true, true, true, false, false, true, true, true, true));
}
$social_right_content = Display::div($social_right_content, array('class' => 'span9'));
$tpl = $app['template'];
$tpl->assign('social_left_content', $social_left_content);
$tpl->assign('social_right_content', $social_right_content);
$tpl->assign('message', $show_message);
$tpl->assign('content', $content);
$social_layout = $tpl->get_template('layout/social_layout.tpl');
$tpl->display($social_layout);

 private function getSlugAfterFilter($filter)
 {
     // Remove both slash from the filter
     $filter = trim($filter, '/');
     // Add to the filter the root directory
     $filter = HTML_PATH_ROOT . $filter;
     // Check if the filter is in the uri.
     $position = Text::stringPosition($this->uri, $filter);
     // If the position is FALSE, the filter isn't in the URI.
     if ($position === false) {
         return false;
     }
     // Start position to cut
     $start = $position + Text::length($filter);
     // End position to cut
     $end = $this->uriStrlen;
     // Get the slug from the URI
     $slug = Text::cut($this->uri, $start, $end);
     if (Text::isEmpty($slug)) {
         return '';
     }
     if ($slug[0] == '/') {
         return ltrim($slug, '/');
     }
     if ($filter == HTML_PATH_ROOT) {
         return $slug;
     }
     return false;
 }

 /** @var Question $objQuestionTmp */
 $objQuestionTmp = Question::read($id);
 $question_class = get_class($objQuestionTmp);
 $clone_link = '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&clone_question=' . $id . '">' . Display::return_icon('cd.gif', get_lang('Copy'), array(), ICON_SIZE_SMALL) . '</a>';
 $edit_link = '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&type=' . $objQuestionTmp->selectType() . '&myid=1&editQuestion=' . $id . '">' . Display::return_icon('edit.png', get_lang('Modify'), array(), ICON_SIZE_SMALL) . '</a>';
 if ($objExercise->edit_exercise_in_lp == true) {
     $delete_link = '<a id="delete_' . $id . '" class="opener"  href="' . api_get_self() . '?' . api_get_cidreq() . '&exerciseId=' . $exerciseId . '&deleteQuestion=' . $id . '" >' . Display::return_icon('delete.png', get_lang('RemoveFromTest'), array(), ICON_SIZE_SMALL) . '</a>';
 }
 $edit_link = Display::tag('div', $edit_link, array('style' => 'float:left; padding:0px; margin:0px'));
 $clone_link = Display::tag('div', $clone_link, array('style' => 'float:left; padding:0px; margin:0px'));
 $delete_link = Display::tag('div', $delete_link, array('style' => 'float:left; padding:0px; margin:0px'));
 $actions = Display::tag('div', $edit_link . $clone_link . $delete_link, array('class' => 'edition', 'style' => 'width:100px; right:10px;     margin-top: 0px;     position: absolute;     top: 10%;'));
 $title = Security::remove_XSS($objQuestionTmp->selectTitle());
 $move = Display::return_icon('all_directions.png', get_lang('Move'), array('class' => 'moved', 'style' => 'margin-bottom:-0.5em;'));
 // Question name
 $questionName = Display::tag('div', '<a href="#" title = "' . $title . '">' . $move . ' ' . Text::cut($title, 42) . '</a>', array('style' => $styleQuestion));
 // Question type.
 list($typeImg, $typeExpl) = $objQuestionTmp->get_type_icon_html();
 $question_media = null;
 if (!empty($objQuestionTmp->parent_id)) {
     $objQuestionMedia = Question::read($objQuestionTmp->parent_id);
     $question_media = ' ' . Question::getMediaLabel($objQuestionMedia->question);
 }
 $questionType = Display::tag('div', Display::return_icon($typeImg, $typeExpl, array(), ICON_SIZE_MEDIUM), array('style' => $styleType));
 // Question category.
 $category_labels = Testcategory::return_category_labels($objQuestionTmp->category_list, $category_list);
 if (empty($category_labels)) {
     $category_labels = "";
 }
 $questionCategory = Display::tag('div', '<a href="#" style="padding:0px; margin:0px;">' . $category_labels . $question_media . '</a>', array('style' => $styleCat));
 // Question level.

 }
 $label_attributes = array();
 $label_attributes['class'] = 'checkbox';
 $label_attributes['for'] = $check_id;
 $label_attributes['class'] = "checkbox";
 if (in_array($objQuestionTmp->type, Question::question_type_no_review())) {
     $attributes['disabled'] = 'disabled';
 }
 $checkbox = Display::input('checkbox', 'remind_list[' . $questionId . ']', '', $attributes);
 $url = $urlMainExercise . 'exercise_submit.php?exerciseId=' . $objExercise->id . '&num=' . $counter . '&reminder=1';
 $counter++;
 if ($objExercise->type == ONE_PER_PAGE) {
     $question_title = Display::url($counter . '. ' . Text::cut($objQuestionTmp->selectTitle(), 40), $url);
     $question_title = $counter . '. ' . Text::cut($objQuestionTmp->selectTitle(), 40);
 } else {
     $question_title = $counter . '. ' . Text::cut($objQuestionTmp->selectTitle(), 40);
 }
 //Check if the question doesn't have an answer
 if (!in_array($questionId, $exercise_result)) {
     $question_title = Display::label($question_title, 'warning');
 }
 $rootCategories = null;
 global $app;
 $repo = $app['orm.em']->getRepository('Entity\\CQuizCategory');
 foreach ($objQuestionTmp->category_list as $categoryId) {
     $cat = $repo->find($categoryId);
     $parentCat = $repo->getPath($cat);
     if (isset($parentCat[0])) {
         $rootCategories .= $parentCat[0]->getTitle();
     }
 }

$document_id = intval($_GET['id']);
$course_info = api_get_course_info();
$course_code = api_get_course_id();
if (empty($course_info)) {
    api_not_allowed(true);
}
//Generate path
if (!$document_id) {
    $document_id = DocumentManager::get_document_id($course_info, $header_file);
}
$document_data = DocumentManager::get_document_data_by_id($document_id, $course_code);
if (empty($document_data)) {
    api_not_allowed(true);
}
$header_file = $document_data['path'];
$name_to_show = Text::cut($header_file, 80);
$path_array = explode('/', str_replace('\\', '/', $header_file));
$path_array = array_map('urldecode', $path_array);
$header_file = implode('/', $path_array);
$file = Security::remove_XSS(urldecode($document_data['path']));
$file_root = $course_info['path'] . '/document' . str_replace('%2F', '/', $file);
$file_url_sys = api_get_path(SYS_COURSE_PATH) . $file_root;
$file_url_web = api_get_path(WEB_COURSE_PATH) . $file_root;
if (!file_exists($file_url_sys)) {
    api_not_allowed(true);
}
if (is_dir($file_url_sys)) {
    api_not_allowed(true);
}
//Check user visibility
//$is_visible = DocumentManager::is_visible_by_id($document_id, $course_info, api_get_session_id(), api_get_user_id());

 if (!empty($production_list) || !empty($file_list) || $count_pending_invitations > 0) {
     //Pending invitations
     if (!isset($_GET['u']) || isset($_GET['u']) && $_GET['u'] == api_get_user_id()) {
         if ($count_pending_invitations > 0) {
             $invitations .= '<div><h3>' . get_lang('PendingInvitations') . '</h3></div>';
             for ($i = 0; $i < $count_pending_invitations; $i++) {
                 $user_invitation_id = $pending_invitations[$i]['user_sender_id'];
                 $invitations .= '<div id="dpending_' . $user_invitation_id . '" class="friend_invitations">';
                 $invitations .= '<div style="float:left;width:60px;" >';
                 $invitations .= '<img style="margin-bottom:5px;" src="' . $list_get_path_web[$i]['dir'] . '/' . $list_get_path_web[$i]['file'] . '" width="60px">';
                 $invitations .= '</div>';
                 $invitations .= '<div style="padding-left:70px;">';
                 $user_invitation_info = api_get_user_info($user_invitation_id);
                 $invitations .= '<a href="' . $user_invitation_info['profile_url'] . '">' . $user_invitation_info['complete_name'] . '</a>';
                 $invitations .= '<br />';
                 $invitations .= Security::remove_XSS(Text::cut($pending_invitations[$i]['content'], 50), STUDENT, true);
                 $invitations .= '<br />';
                 $invitations .= '<a id="btn_accepted_' . $user_invitation_id . '" class="btn" onclick="register_friend(this)" href="javascript:void(0)">' . get_lang('SocialAddToFriends') . '</a>';
                 $invitations .= '<div id="id_response"></div>';
                 $invitations .= '</div>';
                 $invitations .= '</div>';
             }
             $social_right_content .= SocialManager::social_wrapper_div($invitations, 4);
         }
     }
     //--Productions
     $production_list = UserManager::build_production_list($user_id);
     $product_content = '';
     if (!empty($production_list)) {
         $product_content .= '<div><h3>' . get_lang('MyProductions') . '</h3></div>';
         $product_content .= $production_list;

 /**
  * Shows the posts of a blog
  * @author Toon Keppens
  *
  * @param Integer $blog_id
  */
 public static function display_blog_posts($blog_id, $filter = '1=1', $max_number_of_posts = 20)
 {
     // Init
     $tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
     $tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
     $tbl_users = Database::get_main_table(TABLE_MAIN_USER);
     $course_id = api_get_course_int_id();
     // Get posts and authors
     $sql = "SELECT post.*, user.lastname, user.firstname, user.username FROM {$tbl_blogs_posts} post\n\t\t\t\t\tINNER JOIN {$tbl_users} user ON post.author_id = user.user_id\n\t\t\t\tWHERE \tpost.blog_id = '" . (int) $blog_id . "' AND\n\t\t\t\t\t\tpost.c_id = {$course_id} AND\n\t\t\t\t\t\t{$filter}\n\t\t\t\tORDER BY post_id DESC LIMIT 0," . (int) $max_number_of_posts;
     $result = Database::query($sql);
     // Display
     if (Database::num_rows($result) > 0) {
         $limit = 200;
         while ($blog_post = Database::fetch_array($result)) {
             // Get number of comments
             $sql = "SELECT COUNT(1) as number_of_comments FROM {$tbl_blogs_comments} WHERE c_id = {$course_id} AND blog_id = '" . (int) $blog_id . "' AND post_id = '" . (int) $blog_post['post_id'] . "'";
             $tmp = Database::query($sql);
             $blog_post_comments = Database::fetch_array($tmp);
             // Prepare data
             $blog_post_id = $blog_post['post_id'];
             $blog_post_text = Text::make_clickable(stripslashes($blog_post['full_text']));
             $blog_post_date = api_convert_and_format_date($blog_post['date_creation'], null, date_default_timezone_get());
             // Create an introduction text (but keep FULL sentences)
             $introduction_text = "";
             $words = 0;
             $blog_post_text_cut = Text::cut($blog_post_text, $limit);
             $words = strlen($blog_post_text);
             if ($words >= $limit) {
                 $readMoreLink = ' <div class="link" onclick="document.getElementById(\'blogpost_text_' . $blog_post_id . '\').style.display=\'block\'; document.getElementById(\'blogpost_introduction_' . $blog_post_id . '\').style.display=\'none\'">' . get_lang('ReadMore') . '</div>';
                 $introduction_text = $blog_post_text_cut;
             } else {
                 $introduction_text = $blog_post_text;
                 $readMoreLink = '';
             }
             $introduction_text = stripslashes($introduction_text);
             echo '<div class="blogpost">';
             echo '<span class="blogpost_title"><a href="blog.php?action=view_post&amp;blog_id=' . $blog_id . '&amp;post_id=' . $blog_post['post_id'] . '#add_comment" title="' . get_lang('ReadPost') . '" >' . stripslashes($blog_post['title']) . '</a></span>';
             echo '<span class="blogpost_date"><a href="blog.php?action=view_post&amp;blog_id=' . $blog_id . '&amp;post_id=' . $blog_post['post_id'] . '#add_comment" title="' . get_lang('ReadPost') . '" >' . $blog_post_date . '</a></span>';
             echo '<div class="blogpost_introduction" id="blogpost_introduction_' . $blog_post_id . '">' . $introduction_text . $readMoreLink . '</div>';
             echo '<div class="blogpost_text" id="blogpost_text_' . $blog_post_id . '" style="display: none">' . $blog_post_text . '</div>';
             $file_name_array = get_blog_attachment($blog_id, $blog_post_id, 0);
             if (!empty($file_name_array)) {
                 echo '<br /><br />';
                 echo Display::return_icon('attachment.gif', get_lang('Attachment'));
                 echo '<a href="download.php?file=';
                 echo $file_name_array['path'];
                 echo ' "> ' . $file_name_array['filename'] . ' </a><br />';
                 echo '</span>';
             }
             $username = api_htmlentities(sprintf(get_lang('LoginX'), $blog_post['username']), ENT_QUOTES);
             echo '<span class="blogpost_info">' . get_lang('Author') . ': ' . Display::tag('span', api_get_person_name($blog_post['firstname'], $blog_post['lastname']), array('title' => $username)) . ' - <a href="blog.php?action=view_post&amp;blog_id=' . $blog_id . '&amp;post_id=' . $blog_post['post_id'] . '#add_comment" title="' . get_lang('ReadPost') . '" >' . get_lang('Comments') . ': ' . $blog_post_comments['number_of_comments'] . '</a></span>';
             echo '</div>';
         }
     } else {
         if ($filter == '1=1') {
             echo get_lang('NoArticles');
         } else {
             echo get_lang('NoArticleMatches');
         }
     }
 }

 /**
  * Return breadcrumb
  * @return string
  */
 public function returnBreadcrumb()
 {
     $interbreadcrumb = $this->app['breadcrumb'];
     $session_id = api_get_session_id();
     $session_name = api_get_session_name($session_id);
     $_course = api_get_course_info();
     $user_id = api_get_user_id();
     $course_id = api_get_course_id();
     /*  Plugins for banner section */
     $web_course_path = api_get_path(WEB_COURSE_PATH);
     /* If the user is a coach he can see the users who are logged in its session */
     $navigation = array();
     // part 1: Course Homepage. If we are in a course then the first breadcrumb is a link to the course homepage
     // hide_course_breadcrumb the parameter has been added to hide the name of the course, that appeared in the default $interbreadcrumb
     $session_name = Text::cut($session_name, MAX_LENGTH_BREADCRUMB);
     $my_session_name = is_null($session_name) ? '' : ' (' . $session_name . ')';
     if (!empty($_course) && !isset($_GET['hide_course_breadcrumb'])) {
         $navigation_item['url'] = $web_course_path . $_course['path'] . '/index.php' . (!empty($session_id) ? '?id_session=' . $session_id : '');
         $course_title = Text::cut($_course['name'], MAX_LENGTH_BREADCRUMB);
         switch (api_get_setting('breadcrumbs_course_homepage')) {
             case 'get_lang':
                 $navigation_item['title'] = Display::img(api_get_path(WEB_CSS_PATH) . 'home.png', get_lang('CourseHomepageLink')) . ' ' . get_lang('CourseHomepageLink');
                 break;
             case 'course_code':
                 $navigation_item['title'] = Display::img(api_get_path(WEB_CSS_PATH) . 'home.png', $_course['official_code']) . ' ' . $_course['official_code'];
                 break;
             case 'session_name_and_course_title':
                 $navigation_item['title'] = Display::img(api_get_path(WEB_CSS_PATH) . 'home.png', $_course['name'] . $my_session_name) . ' ' . $course_title . $my_session_name;
                 break;
             default:
                 if (api_get_session_id() != -1) {
                     $navigation_item['title'] = Display::img(api_get_path(WEB_CSS_PATH) . 'home.png', $_course['name'] . $my_session_name) . ' ' . $course_title . $my_session_name;
                 } else {
                     $navigation_item['title'] = Display::img(api_get_path(WEB_CSS_PATH) . 'home.png', $_course['name']) . ' ' . $course_title;
                 }
                 break;
         }
         $navigation[] = $navigation_item;
     }
     // Part 2: breadcrumbs.
     // If there is an array $interbreadcrumb defined then these have to appear before the last breadcrumb
     // (which is the tool itself)
     if (isset($interbreadcrumb) && is_array($interbreadcrumb)) {
         foreach ($interbreadcrumb as $breadcrumb_step) {
             if ($breadcrumb_step['url'] != '#') {
                 $sep = strrchr($breadcrumb_step['url'], '?') ? '&' : '?';
                 $navigation_item['url'] = $breadcrumb_step['url'] . $sep . api_get_cidreq();
             } else {
                 $navigation_item['url'] = '#';
             }
             $navigation_item['title'] = $breadcrumb_step['name'];
             // titles for shared folders
             if ($breadcrumb_step['name'] == 'shared_folder') {
                 $navigation_item['title'] = get_lang('UserFolders');
             } elseif (strstr($breadcrumb_step['name'], 'shared_folder_session_')) {
                 $navigation_item['title'] = get_lang('UserFolders');
             } elseif (strstr($breadcrumb_step['name'], 'sf_user_')) {
                 $userinfo = api_get_user_info(substr($breadcrumb_step['name'], 8));
                 $navigation_item['title'] = $userinfo['complete_name'];
             } elseif ($breadcrumb_step['name'] == 'chat_files') {
                 $navigation_item['title'] = get_lang('ChatFiles');
             } elseif ($breadcrumb_step['name'] == 'images') {
                 $navigation_item['title'] = get_lang('Images');
             } elseif ($breadcrumb_step['name'] == 'video') {
                 $navigation_item['title'] = get_lang('Video');
             } elseif ($breadcrumb_step['name'] == 'audio') {
                 $navigation_item['title'] = get_lang('Audio');
             } elseif ($breadcrumb_step['name'] == 'flash') {
                 $navigation_item['title'] = get_lang('Flash');
             } elseif ($breadcrumb_step['name'] == 'gallery') {
                 $navigation_item['title'] = get_lang('Gallery');
             }
             // Fixes breadcrumb title now we applied the Security::remove_XSS and we cut the string depending of the MAX_LENGTH_BREADCRUMB value
             $navigation_item['title'] = Text::cut($navigation_item['title'], MAX_LENGTH_BREADCRUMB);
             $navigation_item['title'] = Security::remove_XSS($navigation_item['title']);
             $navigation[] = $navigation_item;
         }
     }
     // part 3: The tool itself. If we are on the course homepage we do not want to display the title of the course because this
     // is the same as the first part of the breadcrumbs (see part 1)
     $final_navigation = array();
     $counter = 0;
     foreach ($navigation as $index => $navigation_info) {
         if (!empty($navigation_info['title'])) {
             if ($navigation_info['url'] == '#') {
                 $final_navigation[$index] = $navigation_info['title'];
             } else {
                 $final_navigation[$index] = '<a href="' . $navigation_info['url'] . '" class="" target="_top">' . $navigation_info['title'] . '</a>';
             }
             $counter++;
         }
     }
     $html = '';
     if (!empty($final_navigation)) {
         $lis = '';
         $i = 0;
//.........这里部分代码省略.........

             $data[$id]['name'] = Text::cut($question_obj->question, 100);
         } else {
             $data[$id]['name'] = '-';
         }
         $data[$id]['answer'] = $answer_info;
         $data[$id]['correct'] = '-';
         $count = ExerciseLib::get_number_students_answer_hotspot_count($answer_id, $question_id, $exercise_id, api_get_course_int_id(), api_get_session_id());
         $percentage = 0;
         if (!empty($count_students)) {
             $percentage = $count / $count_students * 100;
         }
         $data[$id]['attempts'] = Display::bar_progress($percentage, false, $count . ' / ' . $count_students);
         break;
     default:
         if ($mainCounter == 1) {
             $data[$id]['name'] = Text::cut($question_obj->question, 100);
         } else {
             $data[$id]['name'] = '-';
         }
         $data[$id]['answer'] = $answer_info;
         $data[$id]['correct'] = $correct_answer;
         $count = ExerciseLib::get_number_students_answer_count($answer_id, $question_id, $exercise_id, api_get_course_int_id(), api_get_session_id());
         $percentage = 0;
         if (!empty($count_students)) {
             $percentage = $count / $count_students * 100;
         }
         $data[$id]['attempts'] = Display::bar_progress($percentage, false, $count . ' / ' . $count_students);
         break;
 }
 $id++;
 $mainCounter++;

 /**
  * Save message notification
  * @param    array    message type NOTIFICATION_TYPE_MESSAGE, NOTIFICATION_TYPE_INVITATION, NOTIFICATION_TYPE_GROUP
  * @param    array    recipients: user list of ids
  * @param    string    title
  * @param    string    content of the message
  * @param    array    result of api_get_user_info() or UserGroup->get()
  */
 public function save_notification($type, $user_list, $title, $content, $sender_info = array(), $text_content = null)
 {
     $this->type = intval($type);
     $content = $this->format_content($content, $sender_info);
     $sender_id = 0;
     if (!empty($sender_info) && isset($sender_info['user_id'])) {
         $sender_id = $sender_info['user_id'];
         $this->set_sender_info($sender_id);
     }
     $setting_to_check = '';
     $avoid_my_self = false;
     $default_status = self::NOTIFY_MESSAGE_AT_ONCE;
     switch ($this->type) {
         case self::NOTIFICATION_TYPE_MESSAGE:
             $setting_to_check = 'mail_notify_message';
             $default_status = self::NOTIFY_MESSAGE_AT_ONCE;
             break;
         case self::NOTIFICATION_TYPE_INVITATION:
             $setting_to_check = 'mail_notify_invitation';
             $default_status = self::NOTIFY_INVITATION_AT_ONCE;
             break;
         case self::NOTIFICATION_TYPE_GROUP:
             $setting_to_check = 'mail_notify_group_message';
             $default_status = self::NOTIFY_GROUP_AT_ONCE;
             $avoid_my_self = true;
             break;
     }
     $setting_info = UserManager::get_extra_field_information_by_name($setting_to_check);
     if (!empty($user_list)) {
         foreach ($user_list as $user_id) {
             if ($avoid_my_self) {
                 if ($user_id == api_get_user_id()) {
                     continue;
                 }
             }
             $user_info = api_get_user_info($user_id);
             //Extra field was deleted or removed? Use the default status
             if (empty($setting_info)) {
                 $user_setting = $default_status;
             } else {
                 $extra_data = UserManager::get_extra_user_data($user_id);
                 $user_setting = $extra_data[$setting_to_check];
             }
             $params = array();
             switch ($user_setting) {
                 //No notifications
                 case self::NOTIFY_MESSAGE_NO:
                 case self::NOTIFY_INVITATION_NO:
                 case self::NOTIFY_GROUP_NO:
                     break;
                     //Send notification right now!
                 //Send notification right now!
                 case self::NOTIFY_MESSAGE_AT_ONCE:
                 case self::NOTIFY_INVITATION_AT_ONCE:
                 case self::NOTIFY_GROUP_AT_ONCE:
                     if (!empty($user_info['mail'])) {
                         $name = api_get_person_name($user_info['firstname'], $user_info['lastname']);
                         if (!empty($sender_info['complete_name']) && !empty($sender_info['email'])) {
                             $extra_headers = array();
                             $extra_headers['reply_to']['mail'] = $sender_info['email'];
                             $extra_headers['reply_to']['name'] = $sender_info['complete_name'];
                             api_mail_html($name, $user_info['mail'], Security::filter_terms($title), Security::filter_terms($content), $sender_info['complete_name'], $sender_info['email'], $extra_headers, array(), null, $text_content);
                         } else {
                             api_mail_html($name, $user_info['mail'], Security::filter_terms($title), Security::filter_terms($content), $sender_info['complete_name'], $sender_info['email'], array(), null, $text_content);
                         }
                     }
                     $params['sent_at'] = api_get_utc_datetime();
                     // Saving the notification to be sent some day.
                 // Saving the notification to be sent some day.
                 default:
                     $params['dest_user_id'] = $user_id;
                     $params['dest_mail'] = $user_info['mail'];
                     $params['title'] = $title;
                     $params['content'] = Text::cut($content, $this->max_content_length);
                     $params['send_freq'] = $user_setting;
                     $params['sender_id'] = $sender_id;
                     $this->save($params);
                     break;
             }
         }
     }
 }