PHP bbp_get_topic_title函数代码示例

 /**
  * @covers ::bbp_topic_title
  * @covers ::bbp_get_topic_title
  */
 public function test_bbp_get_topic_title()
 {
     $f = $this->factory->forum->create();
     $t = $this->factory->topic->create(array('post_title' => 'Topic 1', 'post_parent' => $f, 'topic_meta' => array('forum_id' => $f)));
     $topic_title = bbp_get_topic_title($t);
     $this->assertSame('Topic 1', $topic_title);
 }

 /**
  * @group canonical
  * @covers ::bbp_insert_topic
  */
 public function test_bbp_insert_topic()
 {
     $f = $this->factory->forum->create();
     $now = time();
     $post_date = date('Y-m-d H:i:s', $now - 60 * 60 * 100);
     $t = $this->factory->topic->create(array('post_title' => 'Topic 1', 'post_content' => 'Content for Topic 1', 'post_parent' => $f, 'post_date' => $post_date, 'topic_meta' => array('forum_id' => $f)));
     $r = $this->factory->reply->create(array('post_parent' => $t, 'post_date' => $post_date, 'reply_meta' => array('forum_id' => $f, 'topic_id' => $t)));
     // Get the topic.
     $topic = bbp_get_topic($t);
     remove_all_filters('bbp_get_topic_content');
     // Topic post.
     $this->assertSame('Topic 1', bbp_get_topic_title($t));
     $this->assertSame('Content for Topic 1', bbp_get_topic_content($t));
     $this->assertSame('publish', bbp_get_topic_status($t));
     $this->assertSame($f, wp_get_post_parent_id($t));
     $this->assertEquals('http://' . WP_TESTS_DOMAIN . '/?topic=' . $topic->post_name, $topic->guid);
     // Topic meta.
     $this->assertSame($f, bbp_get_topic_forum_id($t));
     $this->assertSame(1, bbp_get_topic_reply_count($t, true));
     $this->assertSame(0, bbp_get_topic_reply_count_hidden($t, true));
     $this->assertSame(1, bbp_get_topic_voice_count($t, true));
     $this->assertSame($r, bbp_get_topic_last_reply_id($t));
     $this->assertSame($r, bbp_get_topic_last_active_id($t));
     $this->assertSame('4 days, 4 hours ago', bbp_get_topic_last_active_time($t));
 }

/**
 * Format the BuddyBar/Toolbar notifications
 *
 * @since 2.5.0 bbPress (r5155)
 *
 * @package bbPress
 *
 * @param string $action The kind of notification being rendered
 * @param int $item_id The primary item id
 * @param int $secondary_item_id The secondary item id
 * @param int $total_items The total number of messaging-related notifications waiting for the user
 * @param string $format 'string' for BuddyBar-compatible notifications; 'array' for WP Toolbar
 */
function bbp_format_buddypress_notifications($action, $item_id, $secondary_item_id, $total_items, $format = 'string')
{
    // Bail if not the notification action we are looking for
    if ('bbp_new_reply' !== $action) {
        return $action;
    }
    // New reply notifications
    $topic_id = bbp_get_reply_topic_id($item_id);
    $topic_title = bbp_get_topic_title($topic_id);
    $topic_link = wp_nonce_url(add_query_arg(array('action' => 'bbp_mark_read', 'topic_id' => $topic_id), bbp_get_reply_url($item_id)), 'bbp_mark_topic_' . $topic_id);
    $title_attr = __('Topic Replies', 'bbpress');
    if ((int) $total_items > 1) {
        $text = sprintf(__('You have %d new replies', 'bbpress'), (int) $total_items);
        $filter = 'bbp_multiple_new_subscription_notification';
    } else {
        if (!empty($secondary_item_id)) {
            $text = sprintf(__('You have %d new reply to %2$s from %3$s', 'bbpress'), (int) $total_items, $topic_title, bp_core_get_user_displayname($secondary_item_id));
        } else {
            $text = sprintf(__('You have %d new reply to %s', 'bbpress'), (int) $total_items, $topic_title);
        }
        $filter = 'bbp_single_new_subscription_notification';
    }
    // WordPress Toolbar
    if ('string' === $format) {
        $return = apply_filters($filter, '<a href="' . esc_url($topic_link) . '" title="' . esc_attr($title_attr) . '">' . esc_html($text) . '</a>', (int) $total_items, $text, $topic_link);
        // Deprecated BuddyBar
    } else {
        $return = apply_filters($filter, array('text' => $text, 'link' => $topic_link), $topic_link, (int) $total_items, $text, $topic_title);
    }
    do_action('bbp_format_buddypress_notifications', $action, $item_id, $secondary_item_id, $total_items);
    return $return;
}

/**
 * Plugin Name: WP Slack bbPress
 * Plugin URI:  https://github.com/rolfkleef/wp-slack-bbpress
 * Description: Send notifications to Slack channels for events in bbPress.
 * Version:     0.5
 * Author:      Rolf Kleef
 * Author URI:  https://drostan.org
 * License:     GPL2
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: wp-slack-bbpress
 */
function wp_slack_bbpress($events)
{
    $events['wp_slack_bbp_new_topic'] = array('action' => 'bbp_new_topic', 'description' => __('When a new topic is added in bbPress', 'wp-slack-bbpress'), 'message' => function ($topic_id, $forum_id, $anonymous_data, $topic_author) {
        return array(array('fallback' => sprintf(__('<%1$s|New topic "%2$s"> in forum <%3$s|%4$s>', 'wp-slack-bbpress'), bbp_get_topic_permalink($topic_id), bbp_get_topic_title($topic_id), bbp_get_forum_permalink($forum_id), bbp_get_forum_title($forum_id)), 'pretext' => sprintf(__('New topic in forum <%1$s|%2$s>', 'wp-slack-bbpress'), bbp_get_forum_permalink($forum_id), bbp_get_forum_title($forum_id)), 'author_name' => bbp_get_topic_author_display_name($topic_id), 'author_link' => bbp_get_topic_author_link($topic_id), 'author_icon' => get_avatar_url($topic_author, array('size' => 16)), 'title' => sprintf('%1$s', bbp_get_topic_title($topic_id)), 'title_link' => bbp_get_topic_permalink($topic_id), 'text' => html_entity_decode(bbp_get_topic_excerpt($topic_id, 150))));
    });
    $events['wp_slack_bbp_new_reply'] = array('action' => 'bbp_new_reply', 'description' => __('When a new reply is added in bbPress', 'wp-slack-bbpress'), 'message' => function ($reply_id, $topic_id, $forum_id, $anonymous_data, $reply_author, $bool, $reply_to) {
        return array(array('fallback' => sprintf(__('<%1$s|New reply> in forum <%2$s|%3$s> on topic <%4$s|%5$s>', 'wp-slack-bbpress'), bbp_get_reply_url($reply_id), bbp_get_forum_permalink($forum_id), bbp_get_forum_title($forum_id), bbp_get_topic_permalink($topic_id), bbp_get_topic_title($topic_id)), 'pretext' => sprintf(__('New reply in forum <%1$s|%2$s> on topic <%3$s|%4$s>', 'wp-slack-bbpress'), bbp_get_forum_permalink($forum_id), bbp_get_forum_title($forum_id), bbp_get_topic_permalink($topic_id), bbp_get_topic_title($topic_id)), 'author_name' => bbp_get_reply_author_display_name($reply_id), 'author_link' => bbp_get_reply_author_link($reply_id), 'author_icon' => get_avatar_url($reply_author, array('size' => 16)), 'title' => sprintf(__('New reply to "%1$s"', 'wp-slack-bbpress'), bbp_get_topic_title($topic_id)), 'title_link' => bbp_get_reply_url($reply_id), 'text' => html_entity_decode(bbp_get_reply_excerpt($reply_id, 150))));
    });
    return $events;
}

 /**
  * @covers ::bbp_topic_last_reply_title
  * @covers ::bbp_get_topic_last_reply_title
  */
 public function test_bbp_get_topic_last_reply_title()
 {
     $f = $this->factory->forum->create();
     $t = $this->factory->topic->create(array('post_parent' => $f, 'topic_meta' => array('forum_id' => $f)));
     $title = bbp_get_topic_last_reply_title($t);
     $this->assertSame('', $title);
     $this->factory->reply->create(array('post_parent' => $t, 'reply_meta' => array('forum_id' => $f, 'topic_id' => $t)));
     $title = bbp_get_topic_last_reply_title($t);
     $this->assertSame('Reply To: ' . bbp_get_topic_title($t), $title);
 }

 public static function reply_title($title, $reply_id, $topic_id, $user_id)
 {
     $subject = get_option('_bbp_reply_notice_title');
     // Because we're expecting a string from get_option(), let's use is_string()
     // to check for a string and then ensure the string is longer than `0`. If it isn't
     // a string, bail returning the original $title.
     if (!is_string($subject) && strlen($subject) == 0) {
         return $title;
     }
     // The reply title token to replace.
     $search = '{title}';
     // The topic title that will replace the title token.
     $replace = strip_tags(bbp_get_topic_title($topic_id));
     // Replace the title token if it exists in the custom title.
     $title = str_replace($search, $replace, $subject);
     return $title;
 }

 protected function _bbpress_items()
 {
     $item = array();
     $post_type_object = get_post_type_object(bbp_get_forum_post_type());
     if (!empty($post_type_object->has_archive) && !bbp_is_forum_archive()) {
         $item[] = '<span typeof="v:Breadcrumb"><a href="' . get_post_type_archive_link(bbp_get_forum_post_type()) . '"  property="v:title" rel="v:url"><span>' . bbp_get_forum_archive_title() . '</span></a></span>';
     }
     if (bbp_is_forum_archive()) {
         $item[] = bbp_get_forum_archive_title();
     } elseif (bbp_is_topic_archive()) {
         $item[] = bbp_get_topic_archive_title();
     } elseif (bbp_is_single_view()) {
         $item[] = bbp_get_view_title();
     } elseif (bbp_is_single_topic()) {
         $topic_id = get_queried_object_id();
         $item = array_merge($item, $this->_get_parents(bbp_get_topic_forum_id($topic_id)));
         if (bbp_is_topic_split() || bbp_is_topic_merge() || bbp_is_topic_edit()) {
             $item[] = '<span typeof="v:Breadcrumb"><a href="' . bbp_get_topic_permalink($topic_id) . '"  property="v:title" rel="v:url"><span>' . bbp_get_topic_title($topic_id) . '</span></a></span>';
         } else {
             $item[] = bbp_get_topic_title($topic_id);
         }
         if (bbp_is_topic_split()) {
             $item[] = __('Split', DH_DOMAIN);
         } elseif (bbp_is_topic_merge()) {
             $item[] = __('Merge', DH_DOMAIN);
         } elseif (bbp_is_topic_edit()) {
             $item[] = __('Edit', DH_DOMAIN);
         }
     } elseif (bbp_is_single_reply()) {
         $reply_id = get_queried_object_id();
         $item = array_merge($item, $this->_get_parents(bbp_get_reply_topic_id($reply_id)));
         if (!bbp_is_reply_edit()) {
             $item[] = bbp_get_reply_title($reply_id);
         } else {
             $item[] = '<span typeof="v:Breadcrumb"><a href="' . bbp_get_reply_url($reply_id) . '"  property="v:title" rel="v:url"><span>' . bbp_get_reply_title($reply_id) . '</span></a></span>';
             $item[] = __('Edit', DH_DOMAIN);
         }
     } elseif (bbp_is_single_forum()) {
         $forum_id = get_queried_object_id();
         $forum_parent_id = bbp_get_forum_parent_id($forum_id);
         if (0 !== $forum_parent_id) {
             $item = array_merge($item, $this->_get_parents($forum_parent_id));
         }
         $item[] = bbp_get_forum_title($forum_id);
     } elseif (bbp_is_single_user() || bbp_is_single_user_edit()) {
         if (bbp_is_single_user_edit()) {
             $item[] = '<span typeof="v:Breadcrumb"><a href="' . bbp_get_user_profile_url() . '"  property="v:title" rel="v:url" ><span>' . bbp_get_displayed_user_field('display_name') . '</span></a></span>';
             $item[] = __('Edit', DH_DOMAIN);
         } else {
             $item[] = bbp_get_displayed_user_field('display_name');
         }
     }
     return $item;
 }

/**
 * Custom page title for bbPress pages
 *
 * @since bbPress (r2788)
 *
 * @param string $title Optional. The title (not used).
 * @param string $sep Optional, default is '»'. How to separate the
 *                     various items within the page title.
 * @param string $seplocation Optional. Direction to display title, 'right'.
 * @uses bbp_is_single_user() To check if it's a user profile page
 * @uses bbp_is_single_user_edit() To check if it's a user profile edit page
 * @uses bbp_is_user_home() To check if the profile page is of the current user
 * @uses get_query_var() To get the user id
 * @uses get_userdata() To get the user data
 * @uses bbp_is_single_forum() To check if it's a forum
 * @uses bbp_get_forum_title() To get the forum title
 * @uses bbp_is_single_topic() To check if it's a topic
 * @uses bbp_get_topic_title() To get the topic title
 * @uses bbp_is_single_reply() To check if it's a reply
 * @uses bbp_get_reply_title() To get the reply title
 * @uses is_tax() To check if it's the tag page
 * @uses get_queried_object() To get the queried object
 * @uses bbp_is_single_view() To check if it's a view
 * @uses bbp_get_view_title() To get the view title
 * @uses apply_filters() Calls 'bbp_raw_title' with the title
 * @uses apply_filters() Calls 'bbp_profile_page_wp_title' with the title,
 *                        separator and separator location
 * @return string The tite
 */
function bbp_title($title = '', $sep = '»', $seplocation = '')
{
    // Title array
    $new_title = array();
    /** Archives **************************************************************/
    // Forum Archive
    if (bbp_is_forum_archive()) {
        $new_title['text'] = bbp_get_forum_archive_title();
        // Topic Archive
    } elseif (bbp_is_topic_archive()) {
        $new_title['text'] = bbp_get_topic_archive_title();
        /** Edit ******************************************************************/
        // Forum edit page
    } elseif (bbp_is_forum_edit()) {
        $new_title['text'] = bbp_get_forum_title();
        $new_title['format'] = esc_attr__('Forum Edit: %s', 'bbpress');
        // Topic edit page
    } elseif (bbp_is_topic_edit()) {
        $new_title['text'] = bbp_get_topic_title();
        $new_title['format'] = esc_attr__('Topic Edit: %s', 'bbpress');
        // Reply edit page
    } elseif (bbp_is_reply_edit()) {
        $new_title['text'] = bbp_get_reply_title();
        $new_title['format'] = esc_attr__('Reply Edit: %s', 'bbpress');
        // Topic tag edit page
    } elseif (bbp_is_topic_tag_edit()) {
        $new_title['text'] = bbp_get_topic_tag_name();
        $new_title['format'] = esc_attr__('Topic Tag Edit: %s', 'bbpress');
        /** Singles ***************************************************************/
        // Forum page
    } elseif (bbp_is_single_forum()) {
        $new_title['text'] = bbp_get_forum_title();
        $new_title['format'] = esc_attr__('Forum: %s', 'bbpress');
        // Topic page
    } elseif (bbp_is_single_topic()) {
        $new_title['text'] = bbp_get_topic_title();
        $new_title['format'] = esc_attr__('Topic: %s', 'bbpress');
        // Replies
    } elseif (bbp_is_single_reply()) {
        $new_title['text'] = bbp_get_reply_title();
        // Topic tag page
    } elseif (bbp_is_topic_tag() || get_query_var('bbp_topic_tag')) {
        $new_title['text'] = bbp_get_topic_tag_name();
        $new_title['format'] = esc_attr__('Topic Tag: %s', 'bbpress');
        /** Users *****************************************************************/
        // Profile page
    } elseif (bbp_is_single_user()) {
        // User is viewing their own profile
        if (bbp_is_user_home()) {
            $new_title['text'] = esc_attr_x('Your', 'User viewing his/her own profile', 'bbpress');
            // User is viewing someone else's profile (so use their display name)
        } else {
            $new_title['text'] = sprintf(esc_attr_x("%s's", 'User viewing another users profile', 'bbpress'), get_userdata(bbp_get_user_id())->display_name);
        }
        // User topics created
        if (bbp_is_single_user_topics()) {
            $new_title['format'] = esc_attr__("%s Topics", 'bbpress');
            // User rueplies created
        } elseif (bbp_is_single_user_replies()) {
            $new_title['format'] = esc_attr__("%s Replies", 'bbpress');
            // User favorites
        } elseif (bbp_is_favorites()) {
            $new_title['format'] = esc_attr__("%s Favorites", 'bbpress');
            // User subscriptions
        } elseif (bbp_is_subscriptions()) {
            $new_title['format'] = esc_attr__("%s Subscriptions", 'bbpress');
            // User "home"
        } else {
            $new_title['format'] = esc_attr__("%s Profile", 'bbpress');
        }
        // Profile edit page
//.........这里部分代码省略.........

 function cupid_breadcrumb_get_bbpress_items()
 {
     $item = array();
     $post_type_object = get_post_type_object(bbp_get_forum_post_type());
     if (!empty($post_type_object->has_archive) && !bbp_is_forum_archive()) {
         $item[] = '<li typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . get_post_type_archive_link(bbp_get_forum_post_type()) . '">' . bbp_get_forum_archive_title() . '</a></li>';
     }
     if (bbp_is_forum_archive()) {
         $item['last'] = bbp_get_forum_archive_title();
     } elseif (bbp_is_topic_archive()) {
         $item['last'] = bbp_get_topic_archive_title();
     } elseif (bbp_is_single_view()) {
         $item['last'] = bbp_get_view_title();
     } elseif (bbp_is_single_topic()) {
         $topic_id = get_queried_object_id();
         $item = array_merge($item, cupid_breadcrumb_get_parents(bbp_get_topic_forum_id($topic_id)));
         if (bbp_is_topic_split() || bbp_is_topic_merge() || bbp_is_topic_edit()) {
             $item[] = '<li typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . bbp_get_topic_permalink($topic_id) . '">' . bbp_get_topic_title($topic_id) . '</a></li>';
         } else {
             $item['last'] = bbp_get_topic_title($topic_id);
         }
         if (bbp_is_topic_split()) {
             $item['last'] = __('Split', 'cupid');
         } elseif (bbp_is_topic_merge()) {
             $item['last'] = __('Merge', 'cupid');
         } elseif (bbp_is_topic_edit()) {
             $item['last'] = __('Edit', 'cupid');
         }
     } elseif (bbp_is_single_reply()) {
         $reply_id = get_queried_object_id();
         $item = array_merge($item, cupid_breadcrumb_get_parents(bbp_get_reply_topic_id($reply_id)));
         if (!bbp_is_reply_edit()) {
             $item['last'] = bbp_get_reply_title($reply_id);
         } else {
             $item[] = '<li typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . bbp_get_reply_url($reply_id) . '">' . bbp_get_reply_title($reply_id) . '</a></li>';
             $item['last'] = __('Edit', 'cupid');
         }
     } elseif (bbp_is_single_forum()) {
         $forum_id = get_queried_object_id();
         $forum_parent_id = bbp_get_forum_parent_id($forum_id);
         if (0 !== $forum_parent_id) {
             $item = array_merge($item, cupid_breadcrumb_get_parents($forum_parent_id));
         }
         $item['last'] = bbp_get_forum_title($forum_id);
     } elseif (bbp_is_single_user() || bbp_is_single_user_edit()) {
         if (bbp_is_single_user_edit()) {
             $item[] = '<li typeof="v:Breadcrumb"><a rel="v:url" property="v:title" href="' . bbp_get_user_profile_url() . '">' . bbp_get_displayed_user_field('display_name') . '</a></li>';
             $item['last'] = __('Edit', 'cupid');
         } else {
             $item['last'] = bbp_get_displayed_user_field('display_name');
         }
     }
     return apply_filters('cupid_breadcrumb_get_bbpress_items', $item);
 }

/**
 * Sends notification emails for new topics to subscribed forums
 *
 * Gets new post's ID and check if there are subscribed users to that forum, and
 * if there are, send notifications
 *
 * Note: in bbPress 2.6, we've moved away from 1 email per subscriber to 1 email
 * with everyone BCC'd. This may have negative repercussions for email services
 * that limit the number of addresses in a BCC field (often to around 500.) In
 * those cases, we recommend unhooking this function and creating your own
 * custom emailer script.
 *
 * @since 2.5.0 bbPress (r5156)
 *
 * @param int $topic_id ID of the newly made reply
 * @param int $forum_id ID of the forum for the topic
 * @param mixed $anonymous_data Array of anonymous user data
 * @param int $topic_author ID of the topic author ID
 *
 * @uses bbp_is_subscriptions_active() To check if the subscriptions are active
 * @uses bbp_get_topic_id() To validate the topic ID
 * @uses bbp_get_forum_id() To validate the forum ID
 * @uses bbp_is_topic_published() To make sure the topic is published
 * @uses bbp_get_forum_subscribers() To get the forum subscribers
 * @uses bbp_get_topic_author_display_name() To get the topic author's display name
 * @uses do_action() Calls 'bbp_pre_notify_forum_subscribers' with the topic id,
 *                    forum id and user id
 * @uses apply_filters() Calls 'bbp_forum_subscription_mail_message' with the
 *                    message, topic id, forum id and user id
 * @uses apply_filters() Calls 'bbp_forum_subscription_mail_title' with the
 *                    topic title, topic id, forum id and user id
 * @uses apply_filters() Calls 'bbp_forum_subscription_mail_headers'
 * @uses get_userdata() To get the user data
 * @uses wp_mail() To send the mail
 * @uses do_action() Calls 'bbp_post_notify_forum_subscribers' with the topic,
 *                    id, forum id and user id
 * @return bool True on success, false on failure
 */
function bbp_notify_forum_subscribers($topic_id = 0, $forum_id = 0, $anonymous_data = false, $topic_author = 0)
{
    // Bail if subscriptions are turned off
    if (!bbp_is_subscriptions_active()) {
        return false;
    }
    /** Validation ************************************************************/
    $topic_id = bbp_get_topic_id($topic_id);
    $forum_id = bbp_get_forum_id($forum_id);
    /**
     * Necessary for backwards compatibility
     *
     * @see https://bbpress.trac.wordpress.org/ticket/2620
     */
    $user_id = 0;
    /** Topic *****************************************************************/
    // Bail if topic is not published
    if (!bbp_is_topic_published($topic_id)) {
        return false;
    }
    // Poster name
    $topic_author_name = bbp_get_topic_author_display_name($topic_id);
    /** Mail ******************************************************************/
    // Remove filters from reply content and topic title to prevent content
    // from being encoded with HTML entities, wrapped in paragraph tags, etc...
    remove_all_filters('bbp_get_topic_content');
    remove_all_filters('bbp_get_topic_title');
    // Strip tags from text and setup mail data
    $topic_title = strip_tags(bbp_get_topic_title($topic_id));
    $topic_content = strip_tags(bbp_get_topic_content($topic_id));
    $topic_url = get_permalink($topic_id);
    $blog_name = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
    // For plugins to filter messages per reply/topic/user
    $message = sprintf(__('%1$s wrote:

%2$s

Topic Link: %3$s

-----------

You are receiving this email because you subscribed to a forum.

Login and visit the topic to unsubscribe from these emails.', 'bbpress'), $topic_author_name, $topic_content, $topic_url);
    $message = apply_filters('bbp_forum_subscription_mail_message', $message, $topic_id, $forum_id, $user_id);
    if (empty($message)) {
        return;
    }
    // For plugins to filter titles per reply/topic/user
    $subject = apply_filters('bbp_forum_subscription_mail_title', '[' . $blog_name . '] ' . $topic_title, $topic_id, $forum_id, $user_id);
    if (empty($subject)) {
        return;
    }
    /** User ******************************************************************/
    // Get the noreply@ address
    $no_reply = bbp_get_do_not_reply_address();
    // Setup "From" email address
    $from_email = apply_filters('bbp_subscription_from_email', $no_reply);
    // Setup the From header
    $headers = array('From: ' . get_bloginfo('name') . ' <' . $from_email . '>');
    // Get topic subscribers and bail if empty
    $user_ids = bbp_get_forum_subscribers($forum_id, true);
//.........这里部分代码省略.........

/**
 * Return the title of the last topic inside a forum
 *
 * @since bbPress (r2625)
 *
 * @param int $forum_id Optional. Forum id
 * @uses bbp_get_forum_id() To get the forum id
 * @uses bbp_get_forum_last_topic_id() To get the forum's last topic id
 * @uses bbp_get_topic_title() To get the topic's title
 * @uses apply_filters() Calls 'bbp_get_forum_last_topic_title' with the
 *                        topic title and forum id
 * @return string Forum's last topic's title
 */
function bbp_get_forum_last_topic_title($forum_id = 0)
{
    $forum_id = bbp_get_forum_id($forum_id);
    return apply_filters('bbp_get_forum_last_topic_title', bbp_get_topic_title(bbp_get_forum_last_topic_id($forum_id)), $forum_id);
}

//.........这里部分代码省略.........
                 foreach ($breadcrumbs as $crumb) {
                     echo $crumb . '' . $delimiter;
                 }
                 echo get_the_title();
             } elseif (is_attachment()) {
                 $parent = get_post($post->post_parent);
                 $cat = get_the_category($parent->ID);
                 $cat = $cat[0];
                 /* admin@innodron.com patch:
                 			   Fix for Catchable fatal error: Object of class WP_Error could not be converted to string
                 			   ref: https://wordpress.org/support/topic/catchable-fatal-error-object-of-class-wp_error-could-not-be-converted-to-string-11
                 			*/
                 echo is_wp_error($cat_parents = get_category_parents($cat, TRUE, '' . $delimiter . '')) ? '' : $cat_parents;
                 /* end admin@innodron.com patch */
                 echo '<a href="' . get_permalink($parent) . '">' . $parent->post_title . '</a>' . $delimiter;
                 echo get_the_title();
             } elseif (is_search()) {
                 echo __('Search results for &ldquo;', 'mk_framework') . get_search_query() . '&rdquo;';
             } elseif (is_tag()) {
                 echo __('Tag &ldquo;', 'mk_framework') . single_tag_title('', false) . '&rdquo;';
             } elseif (is_author()) {
                 $userdata = get_userdata(get_the_author_meta('ID'));
                 echo __('Author:', 'mk_framework') . ' ' . $userdata->display_name;
             } elseif (is_day()) {
                 echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a>' . $delimiter;
                 echo '<a href="' . get_month_link(get_the_time('Y'), get_the_time('m')) . '">' . get_the_time('F') . '</a>' . $delimiter;
                 echo get_the_time('d');
             } elseif (is_month()) {
                 echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a>' . $delimiter;
                 echo get_the_time('F');
             } elseif (is_year()) {
                 echo get_the_time('Y');
             }
         }
     }
     if (get_query_var('paged')) {
         echo ' (' . __('Page', 'mk_framework') . ' ' . get_query_var('paged') . ')';
     }
     if (is_tax()) {
         $term = get_term_by('slug', get_query_var('term'), get_query_var('taxonomy'));
         if (function_exists('is_woocommerce') && is_woocommerce() && is_archive()) {
             echo $delimiter;
         }
         echo '<span>' . $term->name . '</span>';
     }
     if (function_exists('is_bbpress') && is_bbpress()) {
         $item = array();
         $post_type_object = get_post_type_object(bbp_get_forum_post_type());
         if (!empty($post_type_object->has_archive) && !bbp_is_forum_archive()) {
             $item[] = '<a href="' . get_post_type_archive_link(bbp_get_forum_post_type()) . '">' . bbp_get_forum_archive_title() . '</a>';
         }
         if (bbp_is_forum_archive()) {
             $item[] = bbp_get_forum_archive_title();
         } elseif (bbp_is_topic_archive()) {
             $item[] = bbp_get_topic_archive_title();
         } elseif (bbp_is_single_view()) {
             $item[] = bbp_get_view_title();
         } elseif (bbp_is_single_topic()) {
             $topic_id = get_queried_object_id();
             $item = array_merge($item, mk_breadcrumbs_get_parents(bbp_get_topic_forum_id($topic_id)));
             if (bbp_is_topic_split() || bbp_is_topic_merge() || bbp_is_topic_edit()) {
                 $item[] = '<a href="' . bbp_get_topic_permalink($topic_id) . '">' . bbp_get_topic_title($topic_id) . '</a>';
             } else {
                 $item[] = bbp_get_topic_title($topic_id);
             }
             if (bbp_is_topic_split()) {
                 $item[] = __('Split', 'mk_framework');
             } elseif (bbp_is_topic_merge()) {
                 $item[] = __('Merge', 'mk_framework');
             } elseif (bbp_is_topic_edit()) {
                 $item[] = __('Edit', 'mk_framework');
             }
         } elseif (bbp_is_single_reply()) {
             $reply_id = get_queried_object_id();
             $item = array_merge($item, mk_breadcrumbs_get_parents(bbp_get_reply_topic_id($reply_id)));
             if (!bbp_is_reply_edit()) {
                 $item[] = bbp_get_reply_title($reply_id);
             } else {
                 $item[] = '<a href="' . bbp_get_reply_url($reply_id) . '">' . bbp_get_reply_title($reply_id) . '</a>';
                 $item[] = __('Edit', 'mk_framework');
             }
         } elseif (bbp_is_single_forum()) {
             $forum_id = get_queried_object_id();
             $forum_parent_id = bbp_get_forum_parent_id($forum_id);
             if (0 !== $forum_parent_id) {
                 $item = array_merge($item, mk_breadcrumbs_get_parents($forum_parent_id));
             }
             $item[] = bbp_get_forum_title($forum_id);
         } elseif (bbp_is_single_user() || bbp_is_single_user_edit()) {
             if (bbp_is_single_user_edit()) {
                 $item[] = '<a href="' . bbp_get_user_profile_url() . '">' . bbp_get_displayed_user_field('display_name') . '</a>';
                 $item[] = __('Edit', 'mk_framework');
             } else {
                 $item[] = bbp_get_displayed_user_field('display_name');
             }
         }
         echo implode($delimiter, $item);
     }
     echo "</div></div>";
 }

/**
 * Return the title of the last topic inside a forum
 *
 * @since bbPress (r2625)
 *
 * @param int $forum_id Optional. Forum id
 * @uses bbp_get_forum_id() To get the forum id
 * @uses bbp_get_forum_last_topic_id() To get the forum's last topic id
 * @uses bbp_get_topic_title() To get the topic's title
 * @uses apply_filters() Calls 'bbp_get_forum_last_topic_title' with the
 *                        topic title and forum id
 * @return string Forum's last topic's title
 */
function bbp_get_forum_last_topic_title($forum_id = 0)
{
    $forum_id = bbp_get_forum_id($forum_id);
    $topic_id = bbp_get_forum_last_topic_id($forum_id);
    $title = !empty($topic_id) ? bbp_get_topic_title($topic_id) : '';
    return apply_filters('bbp_get_forum_last_topic_title', $title, $forum_id);
}

/**
 * Gets the items for the breadcrumb item if bbPress is installed.
 *
 * @since 0.4
 *
 * @param array $args Mixed arguments for the menu.
 * @return array List of items to be shown in the item.
 */
function breadcrumbs_plus_get_bbpress_items($args = array())
{
    $item = array();
    $post_type_object = get_post_type_object(bbp_get_forum_post_type());
    if (!empty($post_type_object->has_archive) && !bbp_is_forum_archive()) {
        if (function_exists('bp_is_active')) {
            global $bp;
            // we're outside the loop!
            // Assign some variables here
            $page1 = isset($bp->members->root_slug) ? $bp->members->root_slug : '';
            // slug for the Members page. The BuddyPress default is 'members'.
            $page2 = isset($bp->groups->root_slug) ? $bp->groups->root_slug : '';
            // slug for the Groups page. The BuddyPress default is 'groups'.
            $page3 = isset($bp->activity->root_slug) ? $bp->activity->root_slug : '';
            // slug for the Activity page. The BuddyPress default is 'activity'.
            $page4 = isset($bp->forums->root_slug) ? $bp->forums->root_slug : '';
            // slug for the Forums page. The BuddyPress default is 'forums'.
            $page5 = isset($bp->achievements->root_slug) ? $bp->achievements->root_slug : '';
            // slug for the Achievements page. The BuddyPress default is 'achievements'.
            if (!bp_is_blog_page() && (is_page() || is_page($page1) || is_page($page2) || is_page($page3) || is_page($page4) || is_page($page5)) && !bp_is_user() && !bp_is_single_item() && !bp_is_register_page()) {
                $item[] = '';
            }
            if (bp_is_user() && !bp_is_register_page()) {
                $item[] = '';
            }
        } else {
            //$item[] = '<div class="vbreadcrumb" typeof="v:Breadcrumb"><a href="' . get_post_type_archive_link( bbp_get_forum_post_type() ) . '" rel="v:url" property="v:title">' . bbp_get_forum_archive_title() . '</a></div>';
        }
    }
    if (bbp_is_forum_archive()) {
        $item[] = bbp_get_forum_archive_title();
    } else {
        $item[] = '<div class="vbreadcrumb" typeof="v:Breadcrumb"><a href="' . get_post_type_archive_link(bbp_get_forum_post_type()) . '" rel="v:url" property="v:title">' . bbp_get_forum_archive_title() . '</a></div>';
    }
    if (bbp_is_topic_archive()) {
        $item[] = bbp_get_topic_archive_title();
    } elseif (bbp_is_single_view()) {
        $item[] = bbp_get_view_title();
    } elseif (bbp_is_single_topic()) {
        $topic_id = get_queried_object_id();
        $item = array_merge($item, breadcrumbs_plus_get_parents(bbp_get_topic_forum_id($topic_id)));
        if (bbp_is_topic_split() || bbp_is_topic_merge() || bbp_is_topic_edit()) {
            $item[] = '<div class="vbreadcrumb" typeof="v:Breadcrumb"><a href="' . bbp_get_topic_permalink($topic_id) . '" rel="v:url" property="v:title">' . bbp_get_topic_title($topic_id) . '</a></div>';
        } else {
            $item[] = '';
        }
        if (bbp_is_topic_split()) {
            $item[] = __('Split', 'framework');
        } elseif (bbp_is_topic_merge()) {
            $item[] = __('Merge', 'framework');
        } elseif (bbp_is_topic_edit()) {
            $item[] = __('Edit', 'framework');
        }
    } elseif (bbp_is_single_reply()) {
        $reply_id = get_queried_object_id();
        $item = array_merge($item, breadcrumbs_plus_get_parents(bbp_get_reply_topic_id($reply_id)));
        if (!bbp_is_reply_edit()) {
            $item[] = bbp_get_reply_title($reply_id);
        } else {
            $item[] = '<div class="vbreadcrumb" typeof="v:Breadcrumb"><a href="' . bbp_get_reply_url($reply_id) . '" rel="v:url" property="v:title">' . bbp_get_reply_title($reply_id) . '</a></div>';
            $item[] = __('Edit', 'framework');
        }
    } elseif (bbp_is_single_forum()) {
        $forum_id = get_queried_object_id();
        $forum_parent_id = bbp_get_forum_parent_id($forum_id);
        if (0 !== $forum_parent_id) {
            $item = array_merge($item, breadcrumbs_plus_get_parents($forum_parent_id));
        }
        $item[] = bbp_get_forum_title($forum_id);
    } elseif (bbp_is_single_user() || bbp_is_single_user_edit()) {
        if (bbp_is_single_user_edit()) {
            $item[] = '<div class="vbreadcrumb" typeof="v:Breadcrumb"><a href="' . bbp_get_user_profile_url() . '" rel="v:url" property="v:title">' . bbp_get_displayed_user_field('display_name') . '</a></div>';
            $item[] = __('Edit', 'framework');
        } else {
            $item[] = bbp_get_displayed_user_field('display_name');
        }
    }
    return apply_filters('breadcrumbs_plus_get_bbpress_items', $item, $args);
}

    ?>

		</form>
	</div>

<?php 
} elseif (bbp_is_topic_closed()) {
    ?>

	<div id="no-reply-<?php 
    bbp_topic_id();
    ?>
" class="bbp-no-reply">
		<div class="bbp-template-notice">
			<p><?php 
    printf(esc_html__('The topic &#8216;%s&#8217; is closed to new replies.', 'monsoon'), bbp_get_topic_title());
    ?>
</p>
		</div>
	</div>

<?php 
} elseif (bbp_is_forum_closed(bbp_get_topic_forum_id())) {
    ?>

	<div id="no-reply-<?php 
    bbp_topic_id();
    ?>
" class="bbp-no-reply">
		<div class="bbp-template-notice">
			<p><?php