web/wp-content/plugins/bbpress/includes/topics/functions.php
changeset 196 5e8dcbe22c24
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-content/plugins/bbpress/includes/topics/functions.php	Tue Dec 04 18:43:10 2012 -0800
@@ -0,0 +1,3338 @@
+<?php
+
+/**
+ * bbPress Topic Functions
+ *
+ * @package bbPress
+ * @subpackage Functions
+ */
+
+// Exit if accessed directly
+if ( !defined( 'ABSPATH' ) ) exit;
+
+/** Insert ********************************************************************/
+
+/**
+ * A wrapper for wp_insert_post() that also includes the necessary meta values
+ * for the topic to function properly.
+ *
+ * @since bbPress (r3349)
+ *
+ * @uses bbp_parse_args()
+ * @uses bbp_get_topic_post_type()
+ * @uses wp_insert_post()
+ * @uses update_post_meta()
+ *
+ * @param array $topic_data Forum post data
+ * @param arrap $topic_meta Forum meta data
+ */
+function bbp_insert_topic( $topic_data = array(), $topic_meta = array() ) {
+
+	// Forum
+	$default_topic = array(
+		'post_parent'    => 0, // forum ID
+		'post_status'    => bbp_get_public_status_id(),
+		'post_type'      => bbp_get_topic_post_type(),
+		'post_author'    => bbp_get_current_user_id(),
+		'post_password'  => '',
+		'post_content'   => '',
+		'post_title'     => '',
+		'comment_status' => 'closed',
+		'menu_order'     => 0,
+	);
+
+	// Parse args
+	$topic_data = bbp_parse_args( $topic_data, $default_topic, 'insert_topic' );
+
+	// Insert topic
+	$topic_id   = wp_insert_post( $topic_data );
+
+	// Bail if no topic was added
+	if ( empty( $topic_id ) )
+		return false;
+
+	// Forum meta
+	$default_meta = array(
+		'author_ip'          => bbp_current_author_ip(),
+		'forum_id'           => 0,
+		'topic_id'           => $topic_id,
+		'voice_count'        => 1,
+		'reply_count'        => 0,
+		'reply_count_hidden' => 0,
+		'last_reply_id'      => 0,
+		'last_active_id'     => $topic_id,
+		'last_active_time'   => get_post_field( 'post_date', $topic_id, 'db' ),
+	);
+
+	// Parse args
+	$topic_meta = bbp_parse_args( $topic_meta, $default_meta, 'insert_topic_meta' );
+
+	// Insert topic meta
+	foreach ( $topic_meta as $meta_key => $meta_value )
+		update_post_meta( $topic_id, '_bbp_' . $meta_key, $meta_value );
+
+	// Update the forum
+	$forum_id = bbp_get_topic_forum_id( $topic_id );
+	if ( !empty( $forum_id ) )
+		bbp_update_forum( array( 'forum_id' => $forum_id ) );
+
+	// Return new topic ID
+	return $topic_id;
+}
+
+/** Post Form Handlers ********************************************************/
+
+/**
+ * Handles the front end topic submission
+ *
+ * @uses bbPress:errors::add() To log various error messages
+ * @uses bbp_verify_nonce_request() To verify the nonce and check the referer
+ * @uses bbp_is_anonymous() To check if an anonymous post is being made
+ * @uses current_user_can() To check if the current user can publish topic
+ * @uses bbp_get_current_user_id() To get the current user id
+ * @uses bbp_filter_anonymous_post_data() To filter anonymous data
+ * @uses bbp_set_current_anonymous_user_data() To set the anonymous user cookies
+ * @uses is_wp_error() To check if the value retrieved is a {@link WP_Error}
+ * @uses esc_attr() For sanitization
+ * @uses bbp_is_forum_category() To check if the forum is a category
+ * @uses bbp_is_forum_closed() To check if the forum is closed
+ * @uses bbp_is_forum_private() To check if the forum is private
+ * @uses bbp_check_for_flood() To check for flooding
+ * @uses bbp_check_for_duplicate() To check for duplicates
+ * @uses bbp_get_topic_post_type() To get the topic post type
+ * @uses remove_filter() To remove 'wp_filter_kses' filters if needed
+ * @uses apply_filters() Calls 'bbp_new_topic_pre_title' with the content
+ * @uses apply_filters() Calls 'bbp_new_topic_pre_content' with the content
+ * @uses bbPress::errors::get_error_codes() To get the {@link WP_Error} errors
+ * @uses wp_insert_post() To insert the topic
+ * @uses do_action() Calls 'bbp_new_topic' with the topic id, forum id,
+ *                    anonymous data and reply author
+ * @uses bbp_stick_topic() To stick or super stick the topic
+ * @uses bbp_unstick_topic() To unstick the topic
+ * @uses bbp_get_topic_permalink() To get the topic permalink
+ * @uses wp_safe_redirect() To redirect to the topic link
+ * @uses bbPress::errors::get_error_messages() To get the {@link WP_Error} error
+ *                                              messages
+ */
+function bbp_new_topic_handler() {
+
+	// Bail if not a POST action
+	if ( 'POST' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )
+		return;
+
+	// Bail if action is not bbp-new-topic
+	if ( empty( $_POST['action'] ) || ( 'bbp-new-topic' !== $_POST['action'] ) )
+		return;
+
+	// Nonce check
+	if ( ! bbp_verify_nonce_request( 'bbp-new-topic' ) ) {
+		bbp_add_error( 'bbp_new_topic_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );
+		return;
+	}
+
+	// Define local variable(s)
+	$view_all = false;
+	$forum_id = $topic_author = $anonymous_data = 0;
+	$topic_title = $topic_content = '';
+	$terms = array( bbp_get_topic_tag_tax_id() => array() );
+
+	/** Topic Author **********************************************************/
+
+	// User is anonymous
+	if ( bbp_is_anonymous() ) {
+
+		// Filter anonymous data
+		$anonymous_data = bbp_filter_anonymous_post_data();
+
+		// Anonymous data checks out, so set cookies, etc...
+		if ( !empty( $anonymous_data ) && is_array( $anonymous_data ) ) {
+			bbp_set_current_anonymous_user_data( $anonymous_data );
+		}
+
+	// User is logged in
+	} else {
+
+		// User cannot create topics
+		if ( !current_user_can( 'publish_topics' ) ) {
+			bbp_add_error( 'bbp_topic_permissions', __( '<strong>ERROR</strong>: You do not have permission to create new topics.', 'bbpress' ) );
+			return;
+		}
+
+		// Topic author is current user
+		$topic_author = bbp_get_current_user_id();
+	}
+
+	// Remove wp_filter_kses filters from title and content for capable users and if the nonce is verified
+	if ( current_user_can( 'unfiltered_html' ) && !empty( $_POST['_bbp_unfiltered_html_topic'] ) && wp_create_nonce( 'bbp-unfiltered-html-topic_new' ) == $_POST['_bbp_unfiltered_html_topic'] ) {
+		remove_filter( 'bbp_new_topic_pre_title',   'wp_filter_kses' );
+		remove_filter( 'bbp_new_topic_pre_content', 'wp_filter_kses' );
+	}
+
+	/** Topic Title ***********************************************************/
+
+	if ( !empty( $_POST['bbp_topic_title'] ) )
+		$topic_title = esc_attr( strip_tags( $_POST['bbp_topic_title'] ) );
+
+	// Filter and sanitize
+	$topic_title = apply_filters( 'bbp_new_topic_pre_title', $topic_title );
+
+	// No topic title
+	if ( empty( $topic_title ) )
+		bbp_add_error( 'bbp_topic_title', __( '<strong>ERROR</strong>: Your topic needs a title.', 'bbpress' ) );
+
+	/** Topic Content *********************************************************/
+
+	if ( !empty( $_POST['bbp_topic_content'] ) )
+		$topic_content = $_POST['bbp_topic_content'];
+
+	// Filter and sanitize
+	$topic_content = apply_filters( 'bbp_new_topic_pre_content', $topic_content );
+
+	// No topic content
+	if ( empty( $topic_content ) )
+		bbp_add_error( 'bbp_topic_content', __( '<strong>ERROR</strong>: Your topic cannot be empty.', 'bbpress' ) );
+
+	/** Topic Forum ***********************************************************/
+
+	// Forum id was not passed
+	if ( empty( $_POST['bbp_forum_id'] ) )
+		bbp_add_error( 'bbp_topic_forum_id', __( '<strong>ERROR</strong>: Forum ID is missing.', 'bbpress' ) );
+
+	// Forum id was passed
+	elseif ( is_numeric( $_POST['bbp_forum_id'] ) )
+		$forum_id = (int) $_POST['bbp_forum_id'];
+
+	// Forum exists
+	if ( !empty( $forum_id ) ) {
+
+		// Forum is a category
+		if ( bbp_is_forum_category( $forum_id ) )
+			bbp_add_error( 'bbp_edit_topic_forum_category', __( '<strong>ERROR</strong>: This forum is a category. No topics can be created in this forum.', 'bbpress' ) );
+
+		// Forum is closed and user cannot access
+		if ( bbp_is_forum_closed( $forum_id ) && !current_user_can( 'edit_forum', $forum_id ) )
+			bbp_add_error( 'bbp_edit_topic_forum_closed', __( '<strong>ERROR</strong>: This forum has been closed to new topics.', 'bbpress' ) );
+
+		// Forum is private and user cannot access
+		if ( bbp_is_forum_private( $forum_id ) && !current_user_can( 'read_private_forums' ) )
+			bbp_add_error( 'bbp_edit_topic_forum_private', __( '<strong>ERROR</strong>: This forum is private and you do not have the capability to read or create new topics in it.', 'bbpress' ) );
+
+		// Forum is hidden and user cannot access
+		if ( bbp_is_forum_hidden( $forum_id ) && !current_user_can( 'read_hidden_forums' ) )
+			bbp_add_error( 'bbp_edit_topic_forum_hidden', __( '<strong>ERROR</strong>: This forum is hidden and you do not have the capability to read or create new topics in it.', 'bbpress' ) );
+	}
+
+	/** Topic Flooding ********************************************************/
+
+	if ( !bbp_check_for_flood( $anonymous_data, $topic_author ) )
+		bbp_add_error( 'bbp_topic_flood', __( '<strong>ERROR</strong>: Slow down; you move too fast.', 'bbpress' ) );
+
+	/** Topic Duplicate *******************************************************/
+
+	if ( !bbp_check_for_duplicate( array( 'post_type' => bbp_get_topic_post_type(), 'post_author' => $topic_author, 'post_content' => $topic_content, 'anonymous_data' => $anonymous_data ) ) )
+		bbp_add_error( 'bbp_topic_duplicate', __( '<strong>ERROR</strong>: Duplicate topic detected; it looks as though you&#8217;ve already said that!', 'bbpress' ) );
+
+	/** Topic Blacklist *******************************************************/
+	
+	if ( !bbp_check_for_blacklist( $anonymous_data, $topic_author, $topic_title, $topic_content ) )
+		bbp_add_error( 'bbp_topic_blacklist', __( '<strong>ERROR</strong>: Your topic cannot be created at this time.', 'bbpress' ) );
+
+	/** Topic Status **********************************************************/
+
+	// Maybe put into moderation
+	if ( !bbp_check_for_moderation( $anonymous_data, $topic_author, $topic_title, $topic_content ) ) {
+		$topic_status = bbp_get_pending_status_id();
+
+	// Default to published
+	} else {
+		$topic_status = bbp_get_public_status_id();
+	}
+
+	/** Topic Tags ************************************************************/
+
+	if ( bbp_allow_topic_tags() && !empty( $_POST['bbp_topic_tags'] ) ) {
+
+		// Escape tag input
+		$terms = esc_attr( strip_tags( $_POST['bbp_topic_tags'] ) );
+
+		// Explode by comma
+		if ( strstr( $terms, ',' ) ) {
+			$terms = explode( ',', $terms );
+		}
+
+		// Add topic tag ID as main key
+		$terms = array( bbp_get_topic_tag_tax_id() => $terms );
+	}
+
+	/** Additional Actions (Before Save) **************************************/
+
+	do_action( 'bbp_new_topic_pre_extras', $forum_id );
+
+	// Bail if errors
+	if ( bbp_has_errors() )
+		return;
+
+	/** No Errors *************************************************************/
+
+	// Add the content of the form to $topic_data as an array.
+	// Just in time manipulation of topic data before being created
+	$topic_data = apply_filters( 'bbp_new_topic_pre_insert', array(
+		'post_author'    => $topic_author,
+		'post_title'     => $topic_title,
+		'post_content'   => $topic_content,
+		'post_status'    => $topic_status,
+		'post_parent'    => $forum_id,
+		'post_type'      => bbp_get_topic_post_type(),
+		'tax_input'      => $terms,
+		'comment_status' => 'closed'
+	) );
+
+	// Insert topic
+	$topic_id = wp_insert_post( $topic_data );
+
+	/** No Errors *************************************************************/
+
+	if ( !empty( $topic_id ) && !is_wp_error( $topic_id ) ) {
+
+		/** Stickies **********************************************************/
+
+		if ( !empty( $_POST['bbp_stick_topic'] ) && in_array( $_POST['bbp_stick_topic'], array( 'stick', 'super', 'unstick' ) ) ) {
+
+			// What's the haps?
+			switch ( $_POST['bbp_stick_topic'] ) {
+
+				// Sticky in this forum
+				case 'stick'   :
+					bbp_stick_topic( $topic_id );
+					break;
+
+				// Super sticky in all forums
+				case 'super'   :
+					bbp_stick_topic( $topic_id, true );
+					break;
+
+				// We can avoid this as it is a new topic
+				case 'unstick' :
+				default        :
+					break;
+			}
+		}
+
+		/** Trash Check *******************************************************/
+
+		// If the forum is trash, or the topic_status is switched to
+		// trash, trash it properly
+		if ( ( get_post_field( 'post_status', $forum_id ) == bbp_get_trash_status_id() ) || ( $topic_data['post_status'] == bbp_get_trash_status_id() ) ) {
+
+			// Trash the reply
+			wp_trash_post( $topic_id );
+
+			// Force view=all
+			$view_all = true;
+		}
+
+		/** Spam Check ********************************************************/
+
+		// If reply or topic are spam, officially spam this reply
+		if ( $topic_data['post_status'] == bbp_get_spam_status_id() ) {
+			add_post_meta( $topic_id, '_bbp_spam_meta_status', bbp_get_public_status_id() );
+
+			// Force view=all
+			$view_all = true;
+		}
+
+		/** Update counts, etc... *********************************************/
+
+		do_action( 'bbp_new_topic', $topic_id, $forum_id, $anonymous_data, $topic_author );
+
+		/** Additional Actions (After Save) ***********************************/
+
+		do_action( 'bbp_new_topic_post_extras', $topic_id );
+
+		/** Redirect **********************************************************/
+
+		// Redirect to
+		$redirect_to = !empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
+
+		// Get the topic URL
+		$redirect_url = bbp_get_topic_permalink( $topic_id, $redirect_to );
+
+		// Add view all?
+		if ( bbp_get_view_all() || !empty( $view_all ) ) {
+
+			// User can moderate, so redirect to topic with view all set
+			if ( current_user_can( 'moderate' ) ) {
+				$redirect_url = bbp_add_view_all( $redirect_url );
+
+			// User cannot moderate, so redirect to forum
+			} else {
+				$redirect_url = bbp_get_forum_permalink( $forum_id );
+			}
+		}
+
+		// Allow to be filtered
+		$redirect_url = apply_filters( 'bbp_new_topic_redirect_to', $redirect_url, $redirect_to, $topic_id );
+
+		/** Successful Save ***************************************************/
+
+		// Redirect back to new topic
+		wp_safe_redirect( $redirect_url );
+
+		// For good measure
+		exit();
+
+	// Errors
+	} else {
+		$append_error = ( is_wp_error( $topic_id ) && $topic_id->get_error_message() ) ? $topic_id->get_error_message() . ' ' : '';
+		bbp_add_error( 'bbp_topic_error', __( '<strong>ERROR</strong>: The following problem(s) have been found with your topic:' . $append_error, 'bbpress' ) );
+	}
+}
+
+/**
+ * Handles the front end edit topic submission
+ *
+ * @uses bbPress:errors::add() To log various error messages
+ * @uses bbp_get_topic() To get the topic
+ * @uses bbp_verify_nonce_request() To verify the nonce and check the request
+ * @uses bbp_is_topic_anonymous() To check if topic is by an anonymous user
+ * @uses current_user_can() To check if the current user can edit the topic
+ * @uses bbp_filter_anonymous_post_data() To filter anonymous data
+ * @uses is_wp_error() To check if the value retrieved is a {@link WP_Error}
+ * @uses esc_attr() For sanitization
+ * @uses bbp_is_forum_category() To check if the forum is a category
+ * @uses bbp_is_forum_closed() To check if the forum is closed
+ * @uses bbp_is_forum_private() To check if the forum is private
+ * @uses remove_filter() To remove 'wp_filter_kses' filters if needed
+ * @uses apply_filters() Calls 'bbp_edit_topic_pre_title' with the title and
+ *                        topic id
+ * @uses apply_filters() Calls 'bbp_edit_topic_pre_content' with the content
+ *                        and topic id
+ * @uses bbPress::errors::get_error_codes() To get the {@link WP_Error} errors
+ * @uses wp_save_post_revision() To save a topic revision
+ * @uses bbp_update_topic_revision_log() To update the topic revision log
+ * @uses bbp_stick_topic() To stick or super stick the topic
+ * @uses bbp_unstick_topic() To unstick the topic
+ * @uses wp_update_post() To update the topic
+ * @uses do_action() Calls 'bbp_edit_topic' with the topic id, forum id,
+ *                    anonymous data and reply author
+ * @uses bbp_move_topic_handler() To handle movement of a topic from one forum
+ *                                 to another
+ * @uses bbp_get_topic_permalink() To get the topic permalink
+ * @uses wp_safe_redirect() To redirect to the topic link
+ * @uses bbPress::errors::get_error_messages() To get the {@link WP_Error} error
+ *                                              messages
+ */
+function bbp_edit_topic_handler() {
+
+	// Bail if not a POST action
+	if ( 'POST' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )
+		return;
+
+	// Bail if action is not bbp-edit-topic
+	if ( empty( $_POST['action'] ) || ( 'bbp-edit-topic' !== $_POST['action'] ) )
+		return;
+
+	// Define local variable(s)
+	$revisions_removed = false;
+	$topic = $topic_id = $topic_author = $forum_id = $anonymous_data = 0;
+	$topic_title = $topic_content = $topic_edit_reason = '';
+
+	/** Topic *****************************************************************/
+
+	// Topic id was not passed
+	if ( empty( $_POST['bbp_topic_id'] ) ) {
+		bbp_add_error( 'bbp_edit_topic_id', __( '<strong>ERROR</strong>: Topic ID not found.', 'bbpress' ) );
+		return;
+
+	// Topic id was passed
+	} elseif ( is_numeric( $_POST['bbp_topic_id'] ) ) {
+		$topic_id = (int) $_POST['bbp_topic_id'];
+		$topic    = bbp_get_topic( $topic_id );
+	}
+
+	// Topic does not exist
+	if ( empty( $topic ) ) {
+		bbp_add_error( 'bbp_edit_topic_not_found', __( '<strong>ERROR</strong>: The topic you want to edit was not found.', 'bbpress' ) );
+		return;
+
+	// Topic exists
+	} else {
+
+		// Check users ability to create new topic
+		if ( ! bbp_is_topic_anonymous( $topic_id ) ) {
+
+			// User cannot edit this topic
+			if ( !current_user_can( 'edit_topic', $topic_id ) ) {
+				bbp_add_error( 'bbp_edit_topic_permissions', __( '<strong>ERROR</strong>: You do not have permission to edit that topic.', 'bbpress' ) );
+			}
+
+			// Set topic author
+			$topic_author = bbp_get_topic_author_id( $topic_id );
+
+		// It is an anonymous post
+		} else {
+
+			// Filter anonymous data
+			$anonymous_data = bbp_filter_anonymous_post_data( array(), true );
+		}
+	}
+
+	// Nonce check
+	if ( ! bbp_verify_nonce_request( 'bbp-edit-topic_' . $topic_id ) ) {
+		bbp_add_error( 'bbp_edit_topic_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );
+		return;
+	}
+
+	// Remove wp_filter_kses filters from title and content for capable users and if the nonce is verified
+	if ( current_user_can( 'unfiltered_html' ) && !empty( $_POST['_bbp_unfiltered_html_topic'] ) && ( wp_create_nonce( 'bbp-unfiltered-html-topic_' . $topic_id ) == $_POST['_bbp_unfiltered_html_topic'] ) ) {
+		remove_filter( 'bbp_edit_topic_pre_title',   'wp_filter_kses' );
+		remove_filter( 'bbp_edit_topic_pre_content', 'wp_filter_kses' );
+	}
+
+	/** Topic Forum ***********************************************************/
+
+	// Forum id was not passed
+	if ( empty( $_POST['bbp_forum_id'] ) ) {
+		bbp_add_error( 'bbp_topic_forum_id', __( '<strong>ERROR</strong>: Forum ID is missing.', 'bbpress' ) );
+
+	// Forum id was passed
+	} elseif ( is_numeric( $_POST['bbp_forum_id'] ) ) {
+		$forum_id = (int) $_POST['bbp_forum_id'];
+	}
+
+	// Current forum this topic is in
+	$current_forum_id = bbp_get_topic_forum_id( $topic_id );
+
+	// Forum exists
+	if ( !empty( $forum_id ) && ( $forum_id !== $current_forum_id ) ) {
+
+		// Forum is a category
+		if ( bbp_is_forum_category( $forum_id ) )
+			bbp_add_error( 'bbp_edit_topic_forum_category', __( '<strong>ERROR</strong>: This forum is a category. No topics can be created in it.', 'bbpress' ) );
+
+		// Forum is closed and user cannot access
+		if ( bbp_is_forum_closed( $forum_id ) && !current_user_can( 'edit_forum', $forum_id ) )
+			bbp_add_error( 'bbp_edit_topic_forum_closed', __( '<strong>ERROR</strong>: This forum has been closed to new topics.', 'bbpress' ) );
+
+		// Forum is private and user cannot access
+		if ( bbp_is_forum_private( $forum_id ) && !current_user_can( 'read_private_forums' ) )
+			bbp_add_error( 'bbp_edit_topic_forum_private', __( '<strong>ERROR</strong>: This forum is private and you do not have the capability to read or create new topics in it.', 'bbpress' ) );
+
+		// Forum is hidden and user cannot access
+		if ( bbp_is_forum_hidden( $forum_id ) && !current_user_can( 'read_hidden_forums' ) )
+			bbp_add_error( 'bbp_edit_topic_forum_hidden', __( '<strong>ERROR</strong>: This forum is hidden and you do not have the capability to read or create new topics in it.', 'bbpress' ) );
+	}
+
+	/** Topic Title ***********************************************************/
+
+	if ( !empty( $_POST['bbp_topic_title'] ) )
+		$topic_title = esc_attr( strip_tags( $_POST['bbp_topic_title'] ) );
+
+	// Filter and sanitize
+	$topic_title = apply_filters( 'bbp_edit_topic_pre_title', $topic_title, $topic_id );
+
+	// No topic title
+	if ( empty( $topic_title ) )
+		bbp_add_error( 'bbp_edit_topic_title', __( '<strong>ERROR</strong>: Your topic needs a title.', 'bbpress' ) );
+
+	/** Topic Content *********************************************************/
+
+	if ( !empty( $_POST['bbp_topic_content'] ) )
+		$topic_content = $_POST['bbp_topic_content'];
+
+	// Filter and sanitize
+	$topic_content = apply_filters( 'bbp_edit_topic_pre_content', $topic_content, $topic_id );
+
+	// No topic content
+	if ( empty( $topic_content ) )
+		bbp_add_error( 'bbp_edit_topic_content', __( '<strong>ERROR</strong>: Your topic cannot be empty.', 'bbpress' ) );
+
+	/** Topic Blacklist *******************************************************/
+	
+	if ( !bbp_check_for_blacklist( $anonymous_data, $topic_author, $topic_title, $topic_content ) )
+		bbp_add_error( 'bbp_topic_blacklist', __( '<strong>ERROR</strong>: Your topic cannot be edited at this time.', 'bbpress' ) );
+
+	/** Topic Status **********************************************************/
+	
+	// Maybe put into moderation
+	if ( !bbp_check_for_moderation( $anonymous_data, $topic_author, $topic_title, $topic_content ) ) {
+
+		// Set post status to pending if public or closed
+		if ( in_array( $topic->post_status, array( bbp_get_public_status_id(), bbp_get_closed_status_id() ) ) ) {
+			$topic_status = bbp_get_pending_status_id();
+		}
+
+	// Use existing post_status
+	} else {
+		$topic_status = $topic->post_status;
+	}
+
+	/** Topic Tags ************************************************************/
+
+	// Either replace terms
+	if ( bbp_allow_topic_tags() && current_user_can( 'assign_topic_tags' ) && ! empty( $_POST['bbp_topic_tags'] ) ) {
+
+		// Escape tag input
+		$terms = esc_attr( strip_tags( $_POST['bbp_topic_tags'] ) );
+
+		// Explode by comma
+		if ( strstr( $terms, ',' ) )
+			$terms = explode( ',', $terms );
+
+		// Add topic tag ID as main key
+		$terms = array( bbp_get_topic_tag_tax_id() => $terms );
+
+	// ...or remove them.
+	} elseif ( isset( $_POST['bbp_topic_tags'] ) ) {
+		$terms = array( bbp_get_topic_tag_tax_id() => array() );
+
+	// Existing terms
+	} else {
+		$terms = array( bbp_get_topic_tag_tax_id() => explode( ',', bbp_get_topic_tag_names( $topic_id, ',' ) ) );
+	}
+
+	/** Additional Actions (Before Save) **************************************/
+
+	do_action( 'bbp_edit_topic_pre_extras', $topic_id );
+
+	// Bail if errors
+	if ( bbp_has_errors() )
+		return;
+
+	/** No Errors *************************************************************/
+
+	// Add the content of the form to $topic_data as an array
+	// Just in time manipulation of topic data before being edited
+	$topic_data = apply_filters( 'bbp_edit_topic_pre_insert', array(
+		'ID'           => $topic_id,
+		'post_title'   => $topic_title,
+		'post_content' => $topic_content,
+		'post_status'  => $topic_status,
+		'post_parent'  => $forum_id,
+		'post_author'  => $topic_author,
+		'post_type'    => bbp_get_topic_post_type(),
+		'tax_input'    => $terms,
+	) );
+
+	// Toggle revisions to avoid duplicates
+	if ( post_type_supports( bbp_get_topic_post_type(), 'revisions' ) ) {
+		$revisions_removed = true;
+		remove_post_type_support( bbp_get_topic_post_type(), 'revisions' );
+	}
+
+	// Insert topic
+	$topic_id = wp_update_post( $topic_data );
+
+	// Toggle revisions back on
+	if ( true === $revisions_removed ) {
+		$revisions_removed = true;
+		add_post_type_support( bbp_get_topic_post_type(), 'revisions' );
+	}
+
+	/** Stickies **************************************************************/
+
+	if ( !empty( $_POST['bbp_stick_topic'] ) && in_array( $_POST['bbp_stick_topic'], array( 'stick', 'super', 'unstick' ) ) ) {
+
+		// What's the dilly?
+		switch ( $_POST['bbp_stick_topic'] ) {
+
+			// Sticky in forum
+			case 'stick'   :
+				bbp_stick_topic( $topic_id );
+				break;
+
+			// Sticky in all forums
+			case 'super'   :
+				bbp_stick_topic( $topic_id, true );
+				break;
+
+			// Normal
+			case 'unstick' :
+			default        :
+				bbp_unstick_topic( $topic_id );
+				break;
+		}
+	}
+
+	/** Revisions *************************************************************/
+
+	// Revision Reason
+	if ( !empty( $_POST['bbp_topic_edit_reason'] ) )
+		$topic_edit_reason = esc_attr( strip_tags( $_POST['bbp_topic_edit_reason'] ) );
+
+	// Update revision log
+	if ( !empty( $_POST['bbp_log_topic_edit'] ) && ( 1 == $_POST['bbp_log_topic_edit'] ) )  {
+		$revision_id = wp_save_post_revision( $topic_id );
+		if ( ! empty( $revision_id ) ) {
+			bbp_update_topic_revision_log( array(
+				'topic_id'    => $topic_id,
+				'revision_id' => $revision_id,
+				'author_id'   => bbp_get_current_user_id(),
+				'reason'      => $topic_edit_reason
+			) );
+		}
+	}
+
+	/** No Errors *************************************************************/
+
+	if ( !empty( $topic_id ) && !is_wp_error( $topic_id ) ) {
+
+		// Update counts, etc...
+		do_action( 'bbp_edit_topic', $topic_id, $forum_id, $anonymous_data, $topic_author , true /* Is edit */ );
+
+		// If the new forum id is not equal to the old forum id, run the
+		// bbp_move_topic action and pass the topic's forum id as the
+		// first arg and topic id as the second to update counts.
+		if ( $forum_id != $topic->post_parent )
+			bbp_move_topic_handler( $topic_id, $topic->post_parent, $forum_id );
+
+		/** Additional Actions (After Save) ***********************************/
+
+		do_action( 'bbp_edit_topic_post_extras', $topic_id );
+
+		/** Redirect **********************************************************/
+
+		// Redirect to
+		$redirect_to = !empty( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
+
+		// View all?
+		$view_all = bbp_get_view_all();
+
+		// Get the topic URL
+		$topic_url = bbp_get_topic_permalink( $topic_id, $redirect_to );
+
+		// Add view all?
+		if ( !empty( $view_all ) )
+			$topic_url = bbp_add_view_all( $topic_url );
+
+		// Allow to be filtered
+		$topic_url = apply_filters( 'bbp_edit_topic_redirect_to', $topic_url, $view_all, $redirect_to );
+
+		/** Successful Edit ***************************************************/
+
+		// Redirect back to new topic
+		wp_safe_redirect( $topic_url );
+
+		// For good measure
+		exit();
+
+	/** Errors ****************************************************************/
+
+	} else {
+		$append_error = ( is_wp_error( $topic_id ) && $topic_id->get_error_message() ) ? $topic_id->get_error_message() . ' ' : '';
+		bbp_add_error( 'bbp_topic_error', __( '<strong>ERROR</strong>: The following problem(s) have been found with your topic:' . $append_error . 'Please try again.', 'bbpress' ) );
+	}
+}
+
+/**
+ * Handle all the extra meta stuff from posting a new topic
+ *
+ * @param int $topic_id Optional. Topic id
+ * @param int $forum_id Optional. Forum id
+ * @param bool|array $anonymous_data Optional. If it is an array, it is
+ *                    extracted and anonymous user info is saved
+ * @param int $author_id Author id
+ * @param bool $is_edit Optional. Is the post being edited? Defaults to false.
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_forum_id() To get the forum id
+ * @uses bbp_get_current_user_id() To get the current user id
+ * @yses bbp_get_topic_forum_id() To get the topic forum id
+ * @uses update_post_meta() To update the topic metas
+ * @uses set_transient() To update the flood check transient for the ip
+ * @uses bbp_update_user_last_posted() To update the users last posted time
+ * @uses bbp_is_subscriptions_active() To check if the subscriptions feature is
+ *                                      activated or not
+ * @uses bbp_is_user_subscribed() To check if the user is subscribed
+ * @uses bbp_remove_user_subscription() To remove the user's subscription
+ * @uses bbp_add_user_subscription() To add the user's subscription
+ * @uses bbp_update_topic_forum_id() To update the topic's forum id
+ * @uses bbp_update_topic_topic_id() To update the topic's topic id
+ * @uses bbp_update_topic_last_reply_id() To update the last reply id topic meta
+ * @uses bbp_update_topic_last_active_id() To update the topic last active id
+ * @uses bbp_update_topic_last_active_time() To update the last active topic meta
+ * @uses bbp_update_topic_reply_count() To update the topic reply count
+ * @uses bbp_update_topic_reply_count_hidden() To udpate the topic hidden reply count
+ * @uses bbp_update_topic_voice_count() To update the topic voice count
+ * @uses bbp_update_topic_walker() To udpate the topic's ancestors
+ */
+function bbp_update_topic( $topic_id = 0, $forum_id = 0, $anonymous_data = false, $author_id = 0, $is_edit = false ) {
+
+	// Validate the ID's passed from 'bbp_new_topic' action
+	$topic_id = bbp_get_topic_id( $topic_id );
+	$forum_id = bbp_get_forum_id( $forum_id );
+
+	// Bail if there is no topic
+	if ( empty( $topic_id ) )
+		return;
+
+	// Check author_id
+	if ( empty( $author_id ) )
+		$author_id = bbp_get_current_user_id();
+
+	// Check forum_id
+	if ( empty( $forum_id ) )
+		$forum_id = bbp_get_topic_forum_id( $topic_id );
+
+	// If anonymous post, store name, email, website and ip in post_meta.
+	// It expects anonymous_data to be sanitized.
+	// Check bbp_filter_anonymous_post_data() for sanitization.
+	if ( !empty( $anonymous_data ) && is_array( $anonymous_data ) ) {
+
+		// Always set at least these three values to empty
+		$defaults = array(
+			'bbp_anonymous_name'    => '',
+			'bbp_anonymous_email'   => '',
+			'bbp_anonymous_website' => '',
+		);
+		$r = bbp_parse_args( $anonymous_data, $defaults, 'update_topic' );
+
+		// Update all anonymous metas
+		foreach( $r as $anon_key => $anon_value ) {
+			update_post_meta( $topic_id, '_' . $anon_key, (string) $anon_value, false );
+		}
+
+		// Set transient for throttle check (only on new, not edit)
+		if ( empty( $is_edit ) ) {
+			set_transient( '_bbp_' . bbp_current_author_ip() . '_last_posted', time() );
+		}
+
+	} else {
+		if ( empty( $is_edit ) && !current_user_can( 'throttle' ) ) {
+			bbp_update_user_last_posted( $author_id );
+		}
+	}
+
+	// Handle Subscription Checkbox
+	if ( bbp_is_subscriptions_active() && !empty( $author_id ) ) {
+		$subscribed = bbp_is_user_subscribed( $author_id, $topic_id );
+		$subscheck  = ( !empty( $_POST['bbp_topic_subscription'] ) && ( 'bbp_subscribe' == $_POST['bbp_topic_subscription'] ) ) ? true : false;
+
+		// Subscribed and unsubscribing
+		if ( true == $subscribed && false == $subscheck ) {
+			bbp_remove_user_subscription( $author_id, $topic_id );
+
+		// Subscribing
+		} elseif ( false == $subscribed && true == $subscheck ) {
+			bbp_add_user_subscription( $author_id, $topic_id );
+		}
+	}
+
+	// Forum topic meta
+	bbp_update_topic_forum_id( $topic_id, $forum_id );
+	bbp_update_topic_topic_id( $topic_id, $topic_id );
+
+	// Update associated topic values if this is a new topic
+	if ( empty( $is_edit ) ) {
+
+		// Update poster IP if not editing
+		update_post_meta( $topic_id, '_bbp_author_ip', bbp_current_author_ip(), false );
+
+		// Last active time
+		$last_active = current_time( 'mysql' );
+
+		// Reply topic meta
+		bbp_update_topic_last_reply_id      ( $topic_id, 0            );
+		bbp_update_topic_last_active_id     ( $topic_id, $topic_id    );
+		bbp_update_topic_last_active_time   ( $topic_id, $last_active );
+		bbp_update_topic_reply_count        ( $topic_id, 0            );
+		bbp_update_topic_reply_count_hidden ( $topic_id, 0            );
+		bbp_update_topic_voice_count        ( $topic_id               );
+
+		// Walk up ancestors and do the dirty work
+		bbp_update_topic_walker( $topic_id, $last_active, $forum_id, 0, false );
+	}
+}
+
+/**
+ * Walks up the post_parent tree from the current topic_id, and updates the
+ * counts of forums above it. This calls a few internal functions that all run
+ * manual queries against the database to get their results. As such, this
+ * function can be costly to run but is necessary to keep everything accurate.
+ *
+ * @since bbPress (r2800)
+ * @param int $topic_id Topic id
+ * @param string $last_active_time Optional. Last active time
+ * @param int $forum_id Optional. Forum id
+ * @param int $reply_id Optional. Reply id
+ * @param bool $refresh Reset all the previous parameters? Defaults to true.
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_topic_forum_id() To get the topic forum id
+ * @uses get_post_ancestors() To get the topic's ancestors
+ * @uses bbp_is_forum() To check if the ancestor is a forum
+ * @uses bbp_update_forum() To update the forum
+ */
+function bbp_update_topic_walker( $topic_id, $last_active_time = '', $forum_id = 0, $reply_id = 0, $refresh = true ) {
+
+	// Validate topic_id
+	$topic_id  = bbp_get_topic_id( $topic_id );
+
+	// Define local variable(s)
+	$active_id = 0;
+
+	// Topic was passed
+	if ( !empty( $topic_id ) ) {
+
+		// Get the forum ID if none was passed
+		if ( empty( $forum_id )  ) {
+			$forum_id = bbp_get_topic_forum_id( $topic_id );
+		}
+
+		// Set the active_id based on topic_id/reply_id
+		$active_id = empty( $reply_id ) ? $topic_id : $reply_id;
+	}
+
+	// Get topic ancestors
+	$ancestors = array_values( array_unique( array_merge( array( $forum_id ), (array) get_post_ancestors( $topic_id ) ) ) );
+
+	// Topic status
+	$topic_status = get_post_status( $topic_id );
+
+	// If we want a full refresh, unset any of the possibly passed variables
+	if ( true == $refresh ) {
+		$forum_id = $topic_id = $reply_id = $active_id = $last_active_time = 0;
+		$topic_status = bbp_get_public_status_id();
+	}
+
+	// Loop through ancestors
+	if ( !empty( $ancestors ) ) {
+		foreach ( $ancestors as $ancestor ) {
+
+			// If ancestor is a forum, update counts
+			if ( bbp_is_forum( $ancestor ) ) {
+
+				// Update the forum
+				bbp_update_forum( array(
+					'forum_id'           => $ancestor,
+					'last_topic_id'      => $topic_id,
+					'last_reply_id'      => $reply_id,
+					'last_active_id'     => $active_id,
+					'last_active_time'   => 0,
+					'last_active_status' => $topic_status
+				) );
+			}
+		}
+	}
+}
+
+/**
+ * Handle the moving of a topic from one forum to another. This includes walking
+ * up the old and new branches and updating the counts.
+ *
+ * @param int $topic_id Topic id
+ * @param int $old_forum_id Old forum id
+ * @param int $new_forum_id New forum id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_forum_id() To get the forum id
+ * @uses bbp_get_stickies() To get the old forums sticky topics
+ * @uses delete_post_meta() To delete the forum sticky meta
+ * @uses update_post_meta() To update the old forum sticky meta
+ * @uses bbp_stick_topic() To stick the topic in the new forum
+ * @uses bbp_get_reply_post_type() To get the reply post type
+ * @uses bbp_get_all_child_ids() To get the public child ids
+ * @uses bbp_update_reply_forum_id() To update the reply forum id
+ * @uses bbp_update_topic_forum_id() To update the topic forum id
+ * @uses get_post_ancestors() To get the topic's ancestors
+ * @uses bbp_is_forum() To check if the ancestor is a forum
+ * @uses bbp_update_forum() To update the forum
+ */
+function bbp_move_topic_handler( $topic_id, $old_forum_id, $new_forum_id ) {
+
+	// Validate parameters
+	$topic_id     = bbp_get_topic_id( $topic_id     );
+	$old_forum_id = bbp_get_forum_id( $old_forum_id );
+	$new_forum_id = bbp_get_forum_id( $new_forum_id );
+
+	/** Stickies **************************************************************/
+
+	// Get forum stickies
+	$old_stickies = bbp_get_stickies( $old_forum_id );
+
+	// Only proceed if stickies are found
+	if ( !empty( $old_stickies ) ) {
+
+		// Define local variables
+		$updated_stickies = array();
+
+		// Loop through stickies of forum
+		foreach ( $old_stickies as $sticky_topic_id ) {
+
+			// Add non-matches to the updated array
+			if ( $topic_id != $sticky_topic_id ) {
+				$updated_stickies[] = $sticky_topic_id;
+			}
+		}
+
+		// No more stickies so delete the beta
+		if ( empty( $updated_stickies ) ) {
+			delete_post_meta ( $old_forum_id, '_bbp_sticky_topics' );
+
+		// Still stickies so update the meta
+		} else {
+			update_post_meta( $old_forum_id, '_bbp_sticky_topics', $updated_stickies );
+		}
+
+		// Topic was sticky, so restick in new forum
+		bbp_stick_topic( $topic_id );
+	}
+	
+	/** Topic Replies *********************************************************/
+
+	// Get the topics replies
+	$replies = bbp_get_all_child_ids( $topic_id, bbp_get_reply_post_type() );
+
+	// Update the forum_id of all replies in the topic
+	foreach ( $replies as $reply_id )
+		bbp_update_reply_forum_id( $reply_id, $new_forum_id );
+
+	// Forum topic meta
+	bbp_update_topic_forum_id( $topic_id, $new_forum_id );
+
+	/** Old forum_id **********************************************************/
+
+	// Get topic ancestors
+	$ancestors = array_values( array_unique( array_merge( array( $old_forum_id ), (array) get_post_ancestors( $old_forum_id ) ) ) );
+
+	// Loop through ancestors
+	if ( !empty( $ancestors ) ) {
+		foreach ( $ancestors as $ancestor ) {
+
+			// If ancestor is a forum, update counts
+			if ( bbp_is_forum( $ancestor ) ) {
+
+				// Update the forum
+				bbp_update_forum( array(
+					'forum_id' => $ancestor,
+				) );
+			}
+		}
+	}
+
+	/** New forum_id **********************************************************/
+
+	// Make sure we're not walking twice
+	if ( !in_array( $new_forum_id, $ancestors ) ) {
+
+		// Get topic ancestors
+		$ancestors = array_values( array_unique( array_merge( array( $new_forum_id ), (array) get_post_ancestors( $new_forum_id ) ) ) );
+
+		// Loop through ancestors
+		if ( !empty( $ancestors ) ) {
+			foreach ( $ancestors as $ancestor ) {
+
+				// If ancestor is a forum, update counts
+				if ( bbp_is_forum( $ancestor ) ) {
+
+					// Update the forum
+					bbp_update_forum( array(
+						'forum_id' => $ancestor,
+					) );
+				}
+			}
+		}
+	}
+}
+
+/**
+ * Merge topic handler
+ *
+ * Handles the front end merge topic submission
+ *
+ * @since bbPress (r2756)
+ *
+ * @uses bbPress:errors::add() To log various error messages
+ * @uses bbp_get_topic() To get the topics
+ * @uses bbp_verify_nonce_request() To verify the nonce and check the request
+ * @uses current_user_can() To check if the current user can edit the topics
+ * @uses is_wp_error() To check if the value retrieved is a {@link WP_Error}
+ * @uses do_action() Calls 'bbp_merge_topic' with the destination and source
+ *                    topic ids
+ * @uses bbp_get_topic_subscribers() To get the source topic subscribers
+ * @uses bbp_add_user_subscription() To add the user subscription
+ * @uses bbp_remove_user_subscription() To remove the user subscription
+ * @uses bbp_get_topic_favoriters() To get the source topic favoriters
+ * @uses bbp_add_user_favorite() To add the user favorite
+ * @uses bbp_remove_user_favorite() To remove the user favorite
+ * @uses wp_get_post_terms() To get the source topic tags
+ * @uses wp_set_post_terms() To set the topic tags
+ * @uses wp_delete_object_term_relationships() To delete the topic tags
+ * @uses bbp_open_topic() To open the topic
+ * @uses bbp_unstick_topic() To unstick the topic
+ * @uses bbp_get_reply_post_type() To get the reply post type
+ * @uses get_posts() To get the replies
+ * @uses wp_update_post() To update the topic
+ * @uses bbp_update_reply_topic_id() To update the reply topic id
+ * @uses bbp_get_topic_forum_id() To get the topic forum id
+ * @uses bbp_update_reply_forum_id() To update the reply forum id
+ * @uses do_action() Calls 'bbp_merged_topic_reply' with the reply id and
+ *                    destination topic id
+ * @uses do_action() Calls 'bbp_merged_topic' with the destination and source
+ *                    topic ids and source topic's forum id
+ * @uses bbp_get_topic_permalink() To get the topic permalink
+ * @uses wp_safe_redirect() To redirect to the topic link
+ */
+function bbp_merge_topic_handler() {
+
+	// Bail if not a POST action
+	if ( 'POST' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )
+		return;
+
+	// Bail if action is not bbp-merge-topic
+	if ( empty( $_POST['action'] ) || ( 'bbp-merge-topic' !== $_POST['action'] ) )
+		return;
+
+	// Define local variable(s)
+	$source_topic_id = $destination_topic_id = 0;
+	$source_topic = $destination_topic = 0;
+	$subscribers = $favoriters = $replies = array();
+
+	/** Source Topic **********************************************************/
+
+	// Topic id
+	if ( empty( $_POST['bbp_topic_id'] ) )
+		bbp_add_error( 'bbp_merge_topic_source_id', __( '<strong>ERROR</strong>: Topic ID not found.', 'bbpress' ) );
+	else
+		$source_topic_id = (int) $_POST['bbp_topic_id'];
+
+	// Nonce check
+	if ( ! bbp_verify_nonce_request( 'bbp-merge-topic_' . $source_topic_id ) ) {
+		bbp_add_error( 'bbp_merge_topic_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );
+		return;
+
+	// Source topic not found
+	} elseif ( !$source_topic = bbp_get_topic( $source_topic_id ) ) {
+		bbp_add_error( 'bbp_merge_topic_source_not_found', __( '<strong>ERROR</strong>: The topic you want to merge was not found.', 'bbpress' ) );
+		return;
+	}
+
+	// Cannot edit source topic
+	if ( !current_user_can( 'edit_topic', $source_topic->ID ) ) {
+		bbp_add_error( 'bbp_merge_topic_source_permission', __( '<strong>ERROR</strong>: You do not have the permissions to edit the source topic.', 'bbpress' ) );
+		return;
+	}
+
+	/** Destination Topic *****************************************************/
+
+	// Topic id
+	if ( empty( $_POST['bbp_destination_topic'] ) )
+		bbp_add_error( 'bbp_merge_topic_destination_id', __( '<strong>ERROR</strong>: Destination topic ID not found.', 'bbpress' ) );
+	else
+		$destination_topic_id = (int) $_POST['bbp_destination_topic'];
+
+	// Destination topic not found
+	if ( !$destination_topic = bbp_get_topic( $destination_topic_id ) )
+		bbp_add_error( 'bbp_merge_topic_destination_not_found', __( '<strong>ERROR</strong>: The topic you want to merge to was not found.', 'bbpress' ) );
+
+	// Cannot edit destination topic
+	if ( !current_user_can( 'edit_topic', $destination_topic->ID ) )
+		bbp_add_error( 'bbp_merge_topic_destination_permission', __( '<strong>ERROR</strong>: You do not have the permissions to edit the destination topic.', 'bbpress' ) );
+
+	// Bail if errors
+	if ( bbp_has_errors() )
+		return;
+
+	/** No Errors *************************************************************/
+
+	// Update counts, etc...
+	do_action( 'bbp_merge_topic', $destination_topic->ID, $source_topic->ID );
+
+	/** Date Check ************************************************************/
+
+	// Check if the destination topic is older than the source topic
+	if ( strtotime( $source_topic->post_date ) < strtotime( $destination_topic->post_date ) ) {
+
+		// Set destination topic post_date to 1 second before source topic
+		$destination_post_date = date( 'Y-m-d H:i:s', strtotime( $source_topic->post_date ) - 1 );
+
+		$postarr = array(
+			'ID'            => $destination_topic_id,
+			'post_date'     => $destination_post_date,
+			'post_date_gmt' => get_gmt_from_date( $destination_post_date )
+		);
+
+		// Update destination topic
+		wp_update_post( $postarr );
+	}
+
+	/** Subscriptions *********************************************************/
+
+	// Get subscribers from source topic
+	$subscribers = bbp_get_topic_subscribers( $source_topic->ID );
+
+	// Remove the topic from everybody's subscriptions
+	if ( !empty( $subscribers ) ) {
+
+		// Loop through each user
+		foreach ( (array) $subscribers as $subscriber ) {
+
+			// Shift the subscriber if told to
+			if ( !empty( $_POST['bbp_topic_subscribers'] ) && ( 1 == $_POST['bbp_topic_subscribers'] ) && bbp_is_subscriptions_active() )
+				bbp_add_user_subscription( $subscriber, $destination_topic->ID );
+
+			// Remove old subscription
+			bbp_remove_user_subscription( $subscriber, $source_topic->ID );
+		}
+	}
+
+	/** Favorites *************************************************************/
+
+	// Get favoriters from source topic
+	$favoriters = bbp_get_topic_favoriters( $source_topic->ID );
+
+	// Remove the topic from everybody's favorites
+	if ( !empty( $favoriters ) ) {
+
+		// Loop through each user
+		foreach ( (array) $favoriters as $favoriter ) {
+
+			// Shift the favoriter if told to
+			if ( !empty( $_POST['bbp_topic_favoriters'] ) && 1 == $_POST['bbp_topic_favoriters'] )
+				bbp_add_user_favorite( $favoriter, $destination_topic->ID );
+
+			// Remove old favorite
+			bbp_remove_user_favorite( $favoriter, $source_topic->ID );
+		}
+	}
+
+	/** Tags ******************************************************************/
+
+	// Get the source topic tags
+	$source_topic_tags = wp_get_post_terms( $source_topic->ID, bbp_get_topic_tag_tax_id(), array( 'fields' => 'names' ) );
+
+	// Tags to possibly merge
+	if ( !empty( $source_topic_tags ) && !is_wp_error( $source_topic_tags ) ) {
+
+		// Shift the tags if told to
+		if ( !empty( $_POST['bbp_topic_tags'] ) && ( 1 == $_POST['bbp_topic_tags'] ) )
+			wp_set_post_terms( $destination_topic->ID, $source_topic_tags, bbp_get_topic_tag_tax_id(), true );
+
+		// Delete the tags from the source topic
+		wp_delete_object_term_relationships( $source_topic->ID, bbp_get_topic_tag_tax_id() );
+	}
+
+	/** Source Topic **********************************************************/
+
+	// Status
+	bbp_open_topic( $source_topic->ID );
+
+	// Sticky
+	bbp_unstick_topic( $source_topic->ID );
+
+	// Get the replies of the source topic
+	$replies = (array) get_posts( array(
+		'post_parent'    => $source_topic->ID,
+		'post_type'      => bbp_get_reply_post_type(),
+		'posts_per_page' => -1,
+		'order'          => 'ASC'
+	) );
+
+	// Prepend the source topic to its replies array for processing
+	array_unshift( $replies, $source_topic );
+
+	if ( !empty( $replies ) ) {
+
+		/** Merge Replies *****************************************************/
+
+		// Change the post_parent of each reply to the destination topic id
+		foreach ( $replies as $reply ) {
+			$postarr = array(
+				'ID'          => $reply->ID,
+				'post_title'  => sprintf( __( 'Reply To: %s', 'bbpress' ), $destination_topic->post_title ),
+				'post_name'   => false,
+				'post_type'   => bbp_get_reply_post_type(),
+				'post_parent' => $destination_topic->ID,
+				'guid'        => ''
+			);
+
+			wp_update_post( $postarr );
+
+			// Adjust reply meta values
+			bbp_update_reply_topic_id( $reply->ID, $destination_topic->ID                           );
+			bbp_update_reply_forum_id( $reply->ID, bbp_get_topic_forum_id( $destination_topic->ID ) );
+
+			// Do additional actions per merged reply
+			do_action( 'bbp_merged_topic_reply', $reply->ID, $destination_topic->ID );
+		}
+	}
+
+	/** Successful Merge ******************************************************/
+
+	// Update topic's last meta data
+	bbp_update_topic_last_reply_id   ( $destination_topic->ID );
+	bbp_update_topic_last_active_id  ( $destination_topic->ID );
+	bbp_update_topic_last_active_time( $destination_topic->ID );
+
+	// Send the post parent of the source topic as it has been shifted
+	// (possibly to a new forum) so we need to update the counts of the
+	// old forum as well as the new one
+	do_action( 'bbp_merged_topic', $destination_topic->ID, $source_topic->ID, $source_topic->post_parent );
+
+	// Redirect back to new topic
+	wp_safe_redirect( bbp_get_topic_permalink( $destination_topic->ID ) );
+
+	// For good measure
+	exit();
+}
+
+/**
+ * Fix counts on topic merge
+ *
+ * When a topic is merged, update the counts of source and destination topic
+ * and their forums.
+ *
+ * @since bbPress (r2756)
+ *
+ * @param int $destination_topic_id Destination topic id
+ * @param int $source_topic_id Source topic id
+ * @param int $source_topic_forum Source topic's forum id
+ * @uses bbp_update_forum_topic_count() To update the forum topic counts
+ * @uses bbp_update_forum_reply_count() To update the forum reply counts
+ * @uses bbp_update_topic_reply_count() To update the topic reply counts
+ * @uses bbp_update_topic_voice_count() To update the topic voice counts
+ * @uses bbp_update_topic_reply_count_hidden() To update the topic hidden reply
+ *                                              count
+ * @uses do_action() Calls 'bbp_merge_topic_count' with the destination topic
+ *                    id, source topic id & source topic forum id
+ */
+function bbp_merge_topic_count( $destination_topic_id, $source_topic_id, $source_topic_forum_id ) {
+
+	/** Source Topic **********************************************************/
+
+	// Forum Topic Counts
+	bbp_update_forum_topic_count( $source_topic_forum_id );
+
+	// Forum Reply Counts
+	bbp_update_forum_reply_count( $source_topic_forum_id );
+
+	/** Destination Topic *****************************************************/
+
+	// Topic Reply Counts
+	bbp_update_topic_reply_count( $destination_topic_id );
+
+	// Topic Hidden Reply Counts
+	bbp_update_topic_reply_count_hidden( $destination_topic_id );
+
+	// Topic Voice Counts
+	bbp_update_topic_voice_count( $destination_topic_id );
+
+	do_action( 'bbp_merge_topic_count', $destination_topic_id, $source_topic_id, $source_topic_forum_id );
+}
+
+/**
+ * Split topic handler
+ *
+ * Handles the front end split topic submission
+ *
+ * @since bbPress (r2756)
+ *
+ * @uses bbPress:errors::add() To log various error messages
+ * @uses bbp_get_reply() To get the reply
+ * @uses bbp_get_topic() To get the topics
+ * @uses bbp_verify_nonce_request() To verify the nonce and check the request
+ * @uses current_user_can() To check if the current user can edit the topics
+ * @uses bbp_get_topic_post_type() To get the topic post type
+ * @uses is_wp_error() To check if the value retrieved is a {@link WP_Error}
+ * @uses do_action() Calls 'bbp_pre_split_topic' with the from reply id, source
+ *                    and destination topic ids
+ * @uses bbp_get_topic_subscribers() To get the source topic subscribers
+ * @uses bbp_add_user_subscription() To add the user subscription
+ * @uses bbp_get_topic_favoriters() To get the source topic favoriters
+ * @uses bbp_add_user_favorite() To add the user favorite
+ * @uses wp_get_post_terms() To get the source topic tags
+ * @uses wp_set_post_terms() To set the topic tags
+ * @uses bbp_get_reply_post_type() To get the reply post type
+ * @uses wpdb::prepare() To prepare our sql query
+ * @uses wpdb::get_results() To execute the sql query and get results
+ * @uses wp_update_post() To update the replies
+ * @uses bbp_update_reply_topic_id() To update the reply topic id
+ * @uses bbp_get_topic_forum_id() To get the topic forum id
+ * @uses bbp_update_reply_forum_id() To update the reply forum id
+ * @uses do_action() Calls 'bbp_split_topic_reply' with the reply id and
+ *                    destination topic id
+ * @uses bbp_update_topic_last_reply_id() To update the topic last reply id
+ * @uses bbp_update_topic_last_active_time() To update the topic last active meta
+ * @uses do_action() Calls 'bbp_post_split_topic' with the destination and
+ *                    source topic ids and source topic's forum id
+ * @uses bbp_get_topic_permalink() To get the topic permalink
+ * @uses wp_safe_redirect() To redirect to the topic link
+ */
+function bbp_split_topic_handler() {
+
+	// Bail if not a POST action
+	if ( 'POST' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )
+		return;
+
+	// Bail if action is not 'bbp-split-topic'
+	if ( empty( $_POST['action'] ) || ( 'bbp-split-topic' !== $_POST['action'] ) )
+		return;
+
+	global $wpdb;
+
+	// Prevent debug notices
+	$from_reply_id = $destination_topic_id = 0;
+	$destination_topic_title = '';
+	$destination_topic = $from_reply = $source_topic = '';
+	$split_option = false;
+
+	/** Split Reply ***********************************************************/
+
+	if ( empty( $_POST['bbp_reply_id'] ) )
+		bbp_add_error( 'bbp_split_topic_reply_id', __( '<strong>ERROR</strong>: Reply ID to split the topic from not found!', 'bbpress' ) );
+	else
+		$from_reply_id = (int) $_POST['bbp_reply_id'];
+
+	$from_reply = bbp_get_reply( $from_reply_id );
+
+	// Reply exists
+	if ( empty( $from_reply ) )
+		bbp_add_error( 'bbp_split_topic_r_not_found', __( '<strong>ERROR</strong>: The reply you want to split from was not found.', 'bbpress' ) );
+
+	/** Topic to Split ********************************************************/
+
+	// Get the topic being split
+	$source_topic = bbp_get_topic( $from_reply->post_parent );
+
+	// No topic
+	if ( empty( $source_topic ) )
+		bbp_add_error( 'bbp_split_topic_source_not_found', __( '<strong>ERROR</strong>: The topic you want to split was not found.', 'bbpress' ) );
+
+	// Nonce check failed
+	if ( ! bbp_verify_nonce_request( 'bbp-split-topic_' . $source_topic->ID ) ) {
+		bbp_add_error( 'bbp_split_topic_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );
+		return;
+	}
+
+	// Use cannot edit topic
+	if ( !current_user_can( 'edit_topic', $source_topic->ID ) )
+		bbp_add_error( 'bbp_split_topic_source_permission', __( '<strong>ERROR</strong>: You do not have the permissions to edit the source topic.', 'bbpress' ) );
+
+	// How to Split
+	if ( !empty( $_POST['bbp_topic_split_option'] ) )
+		$split_option = (string) trim( $_POST['bbp_topic_split_option'] );
+
+	// Invalid split option
+	if ( empty( $split_option ) || !in_array( $split_option, array( 'existing', 'reply' ) ) ) {
+		bbp_add_error( 'bbp_split_topic_option', __( '<strong>ERROR</strong>: You need to choose a valid split option.', 'bbpress' ) );
+
+	// Valid Split Option
+	} else {
+
+		// What kind of split
+		switch ( $split_option ) {
+
+			// Into an existing topic
+			case 'existing' :
+
+				// Get destination topic id
+				if ( empty( $_POST['bbp_destination_topic'] ) )
+					bbp_add_error( 'bbp_split_topic_destination_id', __( '<strong>ERROR</strong>: Destination topic ID not found!', 'bbpress' ) );
+				else
+					$destination_topic_id = (int) $_POST['bbp_destination_topic'];
+
+				// Get the destination topic
+				$destination_topic = bbp_get_topic( $destination_topic_id );
+
+				// No destination topic
+				if ( empty( $destination_topic ) )
+					bbp_add_error( 'bbp_split_topic_destination_not_found', __( '<strong>ERROR</strong>: The topic you want to split to was not found!', 'bbpress' ) );
+
+				// User cannot edit the destination topic
+				if ( !current_user_can( 'edit_topic', $destination_topic->ID ) )
+					bbp_add_error( 'bbp_split_topic_destination_permission', __( '<strong>ERROR</strong>: You do not have the permissions to edit the destination topic!', 'bbpress' ) );
+
+				break;
+
+			// Split at reply into a new topic
+			case 'reply' :
+			default :
+
+				// User needs to be able to publish topics
+				if ( current_user_can( 'publish_topics' ) ) {
+
+					// Use the new title that was passed
+					if ( !empty( $_POST['bbp_topic_split_destination_title'] ) ) {
+						$destination_topic_title = esc_attr( strip_tags( $_POST['bbp_topic_split_destination_title'] ) );
+
+					// Use the source topic title
+					} else {
+						$destination_topic_title = $source_topic->post_title;
+					}
+
+					// Setup the updated topic parameters
+					$postarr = array(
+						'ID'          => $from_reply->ID,
+						'post_title'  => $destination_topic_title,
+						'post_name'   => false,
+						'post_type'   => bbp_get_topic_post_type(),
+						'post_parent' => $source_topic->post_parent,
+						'guid'        => ''
+					);
+
+					// Update the topic
+					$destination_topic_id = wp_update_post( $postarr );
+					$destination_topic    = bbp_get_topic( $destination_topic_id );
+
+					// Make sure the new topic knows its a topic
+					bbp_update_topic_topic_id( $from_reply->ID );
+
+					// Shouldn't happen
+					if ( false == $destination_topic_id || is_wp_error( $destination_topic_id ) || empty( $destination_topic ) ) {
+						bbp_add_error( 'bbp_split_topic_destination_reply', __( '<strong>ERROR</strong>: There was a problem converting the reply into the topic. Please try again.', 'bbpress' ) );
+					}
+
+				// User cannot publish posts
+				} else {
+					bbp_add_error( 'bbp_split_topic_destination_permission', __( '<strong>ERROR</strong>: You do not have the permissions to create new topics. The reply could not be converted into a topic.', 'bbpress' ) );
+				}
+
+				break;
+		}
+	}
+
+	// Bail if there are errors
+	if ( bbp_has_errors() )
+		return;
+
+	/** No Errors - Do the Spit ***********************************************/
+
+	// Update counts, etc...
+	do_action( 'bbp_pre_split_topic', $from_reply->ID, $source_topic->ID, $destination_topic->ID );
+
+	/** Date Check ************************************************************/
+
+	// Check if the destination topic is older than the from reply
+	if ( strtotime( $from_reply->post_date ) < strtotime( $destination_topic->post_date ) ) {
+
+		// Set destination topic post_date to 1 second before from reply
+		$destination_post_date = date( 'Y-m-d H:i:s', strtotime( $from_reply->post_date ) - 1 );
+
+		$postarr = array(
+			'ID'            => $destination_topic_id,
+			'post_date'     => $destination_post_date,
+			'post_date_gmt' => get_gmt_from_date( $destination_post_date )
+		);
+
+		// Update destination topic
+		wp_update_post( $postarr );
+	}
+
+	/** Subscriptions *********************************************************/
+
+	// Copy the subscribers
+	if ( !empty( $_POST['bbp_topic_subscribers'] ) && 1 == $_POST['bbp_topic_subscribers'] && bbp_is_subscriptions_active() ) {
+
+		// Get the subscribers
+		$subscribers = bbp_get_topic_subscribers( $source_topic->ID );
+
+		if ( !empty( $subscribers ) ) {
+
+			// Add subscribers to new topic
+			foreach ( (array) $subscribers as $subscriber ) {
+				bbp_add_user_subscription( $subscriber, $destination_topic->ID );
+			}
+		}
+	}
+
+	/** Favorites *************************************************************/
+
+	// Copy the favoriters if told to
+	if ( !empty( $_POST['bbp_topic_favoriters'] ) && 1 == $_POST['bbp_topic_favoriters'] ) {
+
+		// Get the favoriters
+		$favoriters = bbp_get_topic_favoriters( $source_topic->ID );
+
+		if ( !empty( $favoriters ) ) {
+
+			// Add the favoriters to new topic
+			foreach ( (array) $favoriters as $favoriter ) {
+				bbp_add_user_favorite( $favoriter, $destination_topic->ID );
+			}
+		}
+	}
+
+	/** Tags ******************************************************************/
+
+	// Copy the tags if told to
+	if ( !empty( $_POST['bbp_topic_tags'] ) && ( 1 == $_POST['bbp_topic_tags'] ) ) {
+
+		// Get the source topic tags
+		$source_topic_tags = wp_get_post_terms( $source_topic->ID, bbp_get_topic_tag_tax_id(), array( 'fields' => 'names' ) );
+
+		if ( !empty( $source_topic_tags ) ) {
+			wp_set_post_terms( $destination_topic->ID, $source_topic_tags, bbp_get_topic_tag_tax_id(), true );
+		}
+	}
+
+	/** Split Replies *********************************************************/
+
+	// get_posts() is not used because it doesn't allow us to use '>='
+	// comparision without a filter.
+	$replies = (array) $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->posts} WHERE {$wpdb->posts}.post_date >= %s AND {$wpdb->posts}.post_parent = %d AND {$wpdb->posts}.post_type = %s ORDER BY {$wpdb->posts}.post_date ASC", $from_reply->post_date, $source_topic->ID, bbp_get_reply_post_type() ) );
+
+	// Make sure there are replies to loop through
+	if ( !empty( $replies ) && !is_wp_error( $replies ) ) {
+
+		// Calculate starting point for reply positions
+		switch ( $split_option ) {
+
+			// Get topic reply count for existing topic
+			case 'existing' :
+				$reply_position = bbp_get_topic_reply_count( $destination_topic->ID );
+				break;
+
+			// Account for new lead topic
+			case 'reply'    :
+				$reply_position = 1;
+				break;
+		}
+
+		// Change the post_parent of each reply to the destination topic id
+		foreach ( $replies as $reply ) {
+
+			// Bump the reply position each iteration through the loop
+			$reply_position++;
+
+			// New reply data
+			$postarr = array(
+				'ID'            => $reply->ID,
+				'post_title'    => sprintf( __( 'Reply To: %s', 'bbpress' ), $destination_topic->post_title ),
+				'post_name'     => false, // will be automatically generated
+				'post_parent'   => $destination_topic->ID,
+				'post_position' => $reply_position,
+				'guid'          => ''
+			);
+
+			// Update the reply
+			wp_update_post( $postarr );
+
+			// Adjust reply meta values
+			bbp_update_reply_topic_id( $reply->ID, $destination_topic->ID                           );
+			bbp_update_reply_forum_id( $reply->ID, bbp_get_topic_forum_id( $destination_topic->ID ) );
+
+			// Do additional actions per split reply
+			do_action( 'bbp_split_topic_reply', $reply->ID, $destination_topic->ID );
+		}
+
+		// Set the last reply ID and freshness
+		$last_reply_id = $reply->ID;
+		$freshness     = $reply->post_date;
+
+	// Set the last reply ID and freshness to the from_reply
+	} else {
+		$last_reply_id = $from_reply->ID;
+		$freshness     = $from_reply->post_date;
+	}
+
+	// It is a new topic and we need to set some default metas to make
+	// the topic display in bbp_has_topics() list
+	if ( 'reply' == $split_option ) {
+		bbp_update_topic_last_reply_id   ( $destination_topic->ID, $last_reply_id );
+		bbp_update_topic_last_active_id  ( $destination_topic->ID, $last_reply_id );
+		bbp_update_topic_last_active_time( $destination_topic->ID, $freshness     );
+	}
+
+	// Update source topic ID last active
+	bbp_update_topic_last_reply_id   ( $source_topic->ID );
+	bbp_update_topic_last_active_id  ( $source_topic->ID );
+	bbp_update_topic_last_active_time( $source_topic->ID );
+	
+	/** Successful Split ******************************************************/
+
+	// Update counts, etc...
+	do_action( 'bbp_post_split_topic', $from_reply->ID, $source_topic->ID, $destination_topic->ID );
+
+	// Redirect back to the topic
+	wp_safe_redirect( bbp_get_topic_permalink( $destination_topic->ID ) );
+
+	// For good measure
+	exit();
+}
+
+/**
+ * Fix counts on topic split
+ *
+ * When a topic is split, update the counts of source and destination topic
+ * and their forums.
+ *
+ * @since bbPress (r2756)
+ *
+ * @param int $from_reply_id From reply id
+ * @param int $source_topic_id Source topic id
+ * @param int $destination_topic_id Destination topic id
+ * @uses bbp_update_forum_topic_count() To update the forum topic counts
+ * @uses bbp_update_forum_reply_count() To update the forum reply counts
+ * @uses bbp_update_topic_reply_count() To update the topic reply counts
+ * @uses bbp_update_topic_voice_count() To update the topic voice counts
+ * @uses bbp_update_topic_reply_count_hidden() To update the topic hidden reply
+ *                                              count
+ * @uses do_action() Calls 'bbp_split_topic_count' with the from reply id,
+ *                    source topic id & destination topic id
+ */
+function bbp_split_topic_count( $from_reply_id, $source_topic_id, $destination_topic_id ) {
+
+	// Forum Topic Counts
+	bbp_update_forum_topic_count( $destination_topic_id );
+
+	// Forum Reply Counts
+	bbp_update_forum_reply_count( $destination_topic_id );
+
+	// Topic Reply Counts
+	bbp_update_topic_reply_count( $source_topic_id      );
+	bbp_update_topic_reply_count( $destination_topic_id );
+
+	// Topic Hidden Reply Counts
+	bbp_update_topic_reply_count_hidden( $source_topic_id      );
+	bbp_update_topic_reply_count_hidden( $destination_topic_id );
+
+	// Topic Voice Counts
+	bbp_update_topic_voice_count( $source_topic_id      );
+	bbp_update_topic_voice_count( $destination_topic_id );
+
+	do_action( 'bbp_split_topic_count', $from_reply_id, $source_topic_id, $destination_topic_id );
+}
+
+/**
+ * Handles the front end tag management (renaming, merging, destroying)
+ *
+ * @since bbPress (r2768)
+ *
+ * @uses bbp_verify_nonce_request() To verify the nonce and check the request
+ * @uses current_user_can() To check if the current user can edit/delete tags
+ * @uses bbPress::errors::add() To log the error messages
+ * @uses wp_update_term() To update the topic tag
+ * @uses get_term_link() To get the topic tag url
+ * @uses term_exists() To check if the topic tag already exists
+ * @uses wp_insert_term() To insert a topic tag
+ * @uses wp_delete_term() To delete the topic tag
+ * @uses home_url() To get the blog's home page url
+ * @uses do_action() Calls actions based on the actions with associated args
+ * @uses is_wp_error() To check if the value retrieved is a {@link WP_Error}
+ * @uses wp_safe_redirect() To redirect to the url
+ */
+function bbp_edit_topic_tag_handler() {
+
+	// Bail if not a POST action
+	if ( 'POST' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )
+		return;
+
+	// Bail if required POST actions aren't passed
+	if ( empty( $_POST['tag-id'] ) || empty( $_POST['action'] ) )
+		return;
+
+	// Setup possible get actions
+	$possible_actions = array(
+		'bbp-update-topic-tag',
+		'bbp-merge-topic-tag',
+		'bbp-delete-topic-tag'
+	);
+
+	// Bail if actions aren't meant for this function
+	if ( !in_array( $_POST['action'], $possible_actions ) )
+		return;
+
+	// Setup vars
+	$action = $_POST['action'];
+	$tag_id = (int) $_POST['tag-id'];
+	$tag    = get_term( $tag_id, bbp_get_topic_tag_tax_id() );
+
+	// Tag does not exist
+	if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
+		bbp_add_error( 'bbp_manage_topic_invalid_tag', sprintf( __( '<strong>ERROR</strong>: The following problem(s) have been found while getting the tag: %s', 'bbpress' ), $tag->get_error_message() ) );
+		return;
+	}
+
+	// What action are we trying to perform?
+	switch ( $action ) {
+
+		// Update tag
+		case 'bbp-update-topic-tag' :
+
+			// Nonce check
+			if ( ! bbp_verify_nonce_request( 'update-tag_' . $tag_id ) ) {
+				bbp_add_error( 'bbp_manage_topic_tag_update_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );
+				return;
+			}
+
+			// Can user edit topic tags?
+			if ( !current_user_can( 'edit_topic_tags' ) ) {
+				bbp_add_error( 'bbp_manage_topic_tag_update_permissions', __( '<strong>ERROR</strong>: You do not have the permissions to edit the topic tags.', 'bbpress' ) );
+				return;
+			}
+
+			// No tag name was provided
+			if ( empty( $_POST['tag-name'] ) || !$name = $_POST['tag-name'] ) {
+				bbp_add_error( 'bbp_manage_topic_tag_update_name', __( '<strong>ERROR</strong>: You need to enter a tag name.', 'bbpress' ) );
+				return;
+			}
+
+			// Attempt to update the tag
+			$slug = !empty( $_POST['tag-slug'] ) ? $_POST['tag-slug'] : '';
+			$tag  = wp_update_term( $tag_id, bbp_get_topic_tag_tax_id(), array( 'name' => $name, 'slug' => $slug ) );
+
+			// Cannot update tag
+			if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
+				bbp_add_error( 'bbp_manage_topic_tag_update_error', sprintf( __( '<strong>ERROR</strong>: The following problem(s) have been found while updating the tag: %s', 'bbpress' ), $tag->get_error_message() ) );
+				return;
+			}
+
+			// Redirect
+			$redirect = get_term_link( $tag_id, bbp_get_topic_tag_tax_id() );
+
+			// Update counts, etc...
+			do_action( 'bbp_update_topic_tag', $tag_id, $tag, $name, $slug );
+
+			break;
+
+		// Merge two tags
+		case 'bbp-merge-topic-tag'  :
+
+			// Nonce check
+			if ( ! bbp_verify_nonce_request( 'merge-tag_' . $tag_id ) ) {
+				bbp_add_error( 'bbp_manage_topic_tag_merge_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );
+				return;
+			}
+
+			// Can user edit topic tags?
+			if ( !current_user_can( 'edit_topic_tags' ) ) {
+				bbp_add_error( 'bbp_manage_topic_tag_merge_permissions', __( '<strong>ERROR</strong>: You do not have the permissions to edit the topic tags.', 'bbpress' ) );
+				return;
+			}
+
+			// No tag name was provided
+			if ( empty( $_POST['tag-existing-name'] ) || !$name = $_POST['tag-existing-name'] ) {
+				bbp_add_error( 'bbp_manage_topic_tag_merge_name', __( '<strong>ERROR</strong>: You need to enter a tag name.', 'bbpress' ) );
+				return;
+			}
+
+			// If term does not exist, create it
+			if ( !$tag = term_exists( $name, bbp_get_topic_tag_tax_id() ) )
+				$tag = wp_insert_term( $name, bbp_get_topic_tag_tax_id() );
+
+			// Problem inserting the new term
+			if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
+				bbp_add_error( 'bbp_manage_topic_tag_merge_error', sprintf( __( '<strong>ERROR</strong>: The following problem(s) have been found while merging the tags: %s', 'bbpress' ), $tag->get_error_message() ) );
+				return;
+			}
+
+			// Merging in to...
+			$to_tag = $tag['term_id'];
+
+			// Attempting to merge a tag into itself
+			if ( $tag_id == $to_tag ) {
+				bbp_add_error( 'bbp_manage_topic_tag_merge_same', __( '<strong>ERROR</strong>: The tags which are being merged can not be the same.', 'bbpress' ) );
+				return;
+			}
+
+			// Delete the old term
+			$tag = wp_delete_term( $tag_id, bbp_get_topic_tag_tax_id(), array( 'default' => $to_tag, 'force_default' => true ) );
+
+			// Error merging the terms
+			if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
+				bbp_add_error( 'bbp_manage_topic_tag_merge_error', sprintf( __( '<strong>ERROR</strong>: The following problem(s) have been found while merging the tags: %s', 'bbpress' ), $tag->get_error_message() ) );
+				return;
+			}
+
+			// Redirect
+			$redirect = get_term_link( (int) $to_tag, bbp_get_topic_tag_tax_id() );
+
+			// Update counts, etc...
+			do_action( 'bbp_merge_topic_tag', $tag_id, $to_tag, $tag );
+
+			break;
+
+		// Delete tag
+		case 'bbp-delete-topic-tag' :
+
+			// Nonce check
+			if ( ! bbp_verify_nonce_request( 'delete-tag_' . $tag_id ) ) {
+				bbp_add_error( 'bbp_manage_topic_tag_delete_nonce', __( '<strong>ERROR</strong>: Are you sure you wanted to do that?', 'bbpress' ) );
+				return;
+			}
+
+			// Can user delete topic tags?
+			if ( !current_user_can( 'delete_topic_tags' ) ) {
+				bbp_add_error( 'bbp_manage_topic_tag_delete_permissions', __( '<strong>ERROR</strong>: You do not have the permissions to delete the topic tags.', 'bbpress' ) );
+				return;
+			}
+
+			// Attempt to delete term
+			$tag = wp_delete_term( $tag_id, bbp_get_topic_tag_tax_id() );
+
+			// Error deleting term
+			if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
+				bbp_add_error( 'bbp_manage_topic_tag_delete_error', sprintf( __( '<strong>ERROR</strong>: The following problem(s) have been found while deleting the tag: %s', 'bbpress' ), $tag->get_error_message() ) );
+				return;
+			}
+
+			// We don't have any other place to go other than home! Or we may die because of the 404 disease
+			$redirect = home_url();
+
+			// Update counts, etc...
+			do_action( 'bbp_delete_topic_tag', $tag_id, $tag );
+
+			break;
+	}
+
+	/** Successful Moderation *************************************************/
+
+	// Redirect back
+	$redirect = ( !empty( $redirect ) && !is_wp_error( $redirect ) ) ? $redirect : home_url();
+	wp_safe_redirect( $redirect );
+
+	// For good measure
+	exit();
+}
+
+/** Stickies ******************************************************************/
+
+/**
+ * Return sticky topics of a forum
+ *
+ * @since bbPress (r2592)
+ *
+ * @param int $forum_id Optional. If not passed, super stickies are returned.
+ * @uses bbp_get_super_stickies() To get the super stickies
+ * @uses get_post_meta() To get the forum stickies
+ * @uses apply_filters() Calls 'bbp_get_stickies' with the stickies and forum id
+ * @return array IDs of sticky topics of a forum or super stickies
+ */
+function bbp_get_stickies( $forum_id = 0 ) {
+	$stickies = empty( $forum_id ) ? bbp_get_super_stickies() : get_post_meta( $forum_id, '_bbp_sticky_topics', true );
+	$stickies = ( empty( $stickies ) || !is_array( $stickies ) ) ? array() : $stickies;
+
+	return apply_filters( 'bbp_get_stickies', $stickies, (int) $forum_id );
+}
+
+/**
+ * Return topics stuck to front page of the forums
+ *
+ * @since bbPress (r2592)
+ *
+ * @uses get_option() To get super sticky topics
+ * @uses apply_filters() Calls 'bbp_get_super_stickies' with the stickies
+ * @return array IDs of super sticky topics
+ */
+function bbp_get_super_stickies() {
+	$stickies = get_option( '_bbp_super_sticky_topics', array() );
+	$stickies = ( empty( $stickies ) || !is_array( $stickies ) ) ? array() : $stickies;
+
+	return apply_filters( 'bbp_get_super_stickies', $stickies );
+}
+
+/** Topics Actions ************************************************************/
+
+/**
+ * Handles the front end opening/closing, spamming/unspamming,
+ * sticking/unsticking and trashing/untrashing/deleting of topics
+ *
+ * @since bbPress (r2727)
+ *
+ * @uses bbp_get_topic() To get the topic
+ * @uses current_user_can() To check if the user is capable of editing or
+ *                           deleting the topic
+ * @uses bbp_get_topic_post_type() To get the topic post type
+ * @uses check_ajax_referer() To verify the nonce and check the referer
+ * @uses bbp_is_topic_open() To check if the topic is open
+ * @uses bbp_close_topic() To close the topic
+ * @uses bbp_open_topic() To open the topic
+ * @uses bbp_is_topic_sticky() To check if the topic is a sticky
+ * @uses bbp_unstick_topic() To unstick the topic
+ * @uses bbp_stick_topic() To stick the topic
+ * @uses bbp_is_topic_spam() To check if the topic is marked as spam
+ * @uses bbp_spam_topic() To make the topic as spam
+ * @uses bbp_unspam_topic() To unmark the topic as spam
+ * @uses wp_trash_post() To trash the topic
+ * @uses wp_untrash_post() To untrash the topic
+ * @uses wp_delete_post() To delete the topic
+ * @uses do_action() Calls 'bbp_toggle_topic_handler' with success, post data
+ *                    and action
+ * @uses bbp_get_forum_permalink() To get the forum link
+ * @uses bbp_get_topic_permalink() To get the topic link
+ * @uses add_query_arg() To add args to the url
+ * @uses wp_safe_redirect() To redirect to the topic
+ * @uses bbPress::errors:add() To log the error messages
+ */
+function bbp_toggle_topic_handler() {
+
+	// Bail if not a GET action
+	if ( 'GET' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) )
+		return;
+
+	// Bail if required GET actions aren't passed
+	if ( empty( $_GET['topic_id'] ) || empty( $_GET['action'] ) )
+		return;
+
+	// Setup possible get actions
+	$possible_actions = array(
+		'bbp_toggle_topic_close',
+		'bbp_toggle_topic_stick',
+		'bbp_toggle_topic_spam',
+		'bbp_toggle_topic_trash'
+	);
+
+	// Bail if actions aren't meant for this function
+	if ( !in_array( $_GET['action'], $possible_actions ) )
+		return;
+
+	$failure   = '';                         // Empty failure string
+	$view_all  = false;                      // Assume not viewing all
+	$action    = $_GET['action'];            // What action is taking place?
+	$topic_id  = (int) $_GET['topic_id'];    // What's the topic id?
+	$success   = false;                      // Flag
+	$post_data = array( 'ID' => $topic_id ); // Prelim array
+	$redirect  = '';                         // Empty redirect URL
+
+	// Make sure topic exists
+	$topic = bbp_get_topic( $topic_id );
+	if ( empty( $topic ) )
+		return;
+
+	// What is the user doing here?
+	if ( !current_user_can( 'edit_topic', $topic->ID ) || ( 'bbp_toggle_topic_trash' == $action && !current_user_can( 'delete_topic', $topic->ID ) ) ) {
+		bbp_add_error( 'bbp_toggle_topic_permission', __( '<strong>ERROR:</strong> You do not have the permission to do that.', 'bbpress' ) );
+		return;
+	}
+
+	// What action are we trying to perform?
+	switch ( $action ) {
+
+		// Toggle open/close
+		case 'bbp_toggle_topic_close' :
+			check_ajax_referer( 'close-topic_' . $topic_id );
+
+			$is_open = bbp_is_topic_open( $topic_id );
+			$success = $is_open ? bbp_close_topic( $topic_id ) : bbp_open_topic( $topic_id );
+			$failure = $is_open ? __( '<strong>ERROR</strong>: There was a problem closing the topic.', 'bbpress' ) : __( '<strong>ERROR</strong>: There was a problem opening the topic.', 'bbpress' );
+
+			break;
+
+		// Toggle sticky/super-sticky/unstick
+		case 'bbp_toggle_topic_stick' :
+			check_ajax_referer( 'stick-topic_' . $topic_id );
+
+			$is_sticky = bbp_is_topic_sticky( $topic_id );
+			$is_super  = ( empty( $is_sticky ) && !empty( $_GET['super'] ) && 1 == (int) $_GET['super'] ) ? true : false;
+			$success   = $is_sticky ? bbp_unstick_topic( $topic_id ) : bbp_stick_topic( $topic_id, $is_super );
+			$failure   = $is_sticky ? __( '<strong>ERROR</strong>: There was a problem unsticking the topic.', 'bbpress' ) : __( '<strong>ERROR</strong>: There was a problem sticking the topic.', 'bbpress' );
+
+			break;
+
+		// Toggle spam
+		case 'bbp_toggle_topic_spam' :
+			check_ajax_referer( 'spam-topic_' . $topic_id );
+
+			$is_spam  = bbp_is_topic_spam( $topic_id );
+			$success  = $is_spam ? bbp_unspam_topic( $topic_id ) : bbp_spam_topic( $topic_id );
+			$failure  = $is_spam ? __( '<strong>ERROR</strong>: There was a problem unmarking the topic as spam.', 'bbpress' ) : __( '<strong>ERROR</strong>: There was a problem marking the topic as spam.', 'bbpress' );
+			$view_all = !$is_spam;
+
+			break;
+
+		// Toggle trash
+		case 'bbp_toggle_topic_trash' :
+
+			$sub_action = in_array( $_GET['sub_action'], array( 'trash', 'untrash', 'delete' ) ) ? $_GET['sub_action'] : false;
+
+			if ( empty( $sub_action ) )
+				break;
+
+			switch ( $sub_action ) {
+				case 'trash':
+					check_ajax_referer( 'trash-' . bbp_get_topic_post_type() . '_' . $topic_id );
+
+					$view_all = true;
+					$success  = wp_trash_post( $topic_id );
+					$failure  = __( '<strong>ERROR</strong>: There was a problem trashing the topic.', 'bbpress' );
+
+					break;
+
+				case 'untrash':
+					check_ajax_referer( 'untrash-' . bbp_get_topic_post_type() . '_' . $topic_id );
+
+					$success = wp_untrash_post( $topic_id );
+					$failure = __( '<strong>ERROR</strong>: There was a problem untrashing the topic.', 'bbpress' );
+
+					break;
+
+				case 'delete':
+					check_ajax_referer( 'delete-' . bbp_get_topic_post_type() . '_' . $topic_id );
+
+					$success = wp_delete_post( $topic_id );
+					$failure = __( '<strong>ERROR</strong>: There was a problem deleting the topic.', 'bbpress' );
+
+					break;
+			}
+
+			break;
+	}
+
+	// Do additional topic toggle actions
+	do_action( 'bbp_toggle_topic_handler', $success, $post_data, $action );
+
+	// No errors
+	if ( false != $success && !is_wp_error( $success ) ) {
+
+		// Redirect back to the topic's forum
+		if ( isset( $sub_action ) && ( 'delete' == $sub_action ) ) {
+			$redirect = bbp_get_forum_permalink( $success->post_parent );
+
+		// Redirect back to the topic
+		} else {
+
+			// Get the redirect detination
+			$permalink = bbp_get_topic_permalink( $topic_id );
+			$redirect  = bbp_add_view_all( $permalink, $view_all );
+		}
+
+		wp_safe_redirect( $redirect );
+
+		// For good measure
+		exit();
+
+	// Handle errors
+	} else {
+		bbp_add_error( 'bbp_toggle_topic', $failure );
+	}
+}
+
+/** Favorites & Subscriptions *************************************************/
+
+/**
+ * Remove a deleted topic from all users' favorites
+ *
+ * @since bbPress (r2652)
+ *
+ * @param int $topic_id Topic ID to remove
+ * @uses bbp_get_topic_favoriters() To get the topic's favoriters
+ * @uses bbp_remove_user_favorite() To remove the topic from user's favorites
+ */
+function bbp_remove_topic_from_all_favorites( $topic_id = 0 ) {
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	// Bail if no topic
+	if ( empty( $topic_id ) )
+		return;
+
+	// Get users
+	$users = (array) bbp_get_topic_favoriters( $topic_id );
+
+	// Users exist
+	if ( !empty( $users ) ) {
+
+		// Loop through users
+		foreach ( $users as $user ) {
+
+			// Remove each user
+			bbp_remove_user_favorite( $user, $topic_id );
+		}
+	}
+}
+
+/**
+ * Remove a deleted topic from all users' subscriptions
+ *
+ * @since bbPress (r2652)
+ *
+ * @param int $topic_id Topic ID to remove
+ * @uses bbp_is_subscriptions_active() To check if the subscriptions are active
+ * @uses bbp_get_topic_subscribers() To get the topic subscribers
+ * @uses bbp_remove_user_subscription() To remove the user subscription
+ */
+function bbp_remove_topic_from_all_subscriptions( $topic_id = 0 ) {
+
+	// Subscriptions are not active
+	if ( !bbp_is_subscriptions_active() )
+		return;
+
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	// Bail if no topic
+	if ( empty( $topic_id ) )
+		return;
+
+	// Get users
+	$users = (array) bbp_get_topic_subscribers( $topic_id );
+
+	// Users exist
+	if ( !empty( $users ) ) {
+
+		// Loop through users
+		foreach ( $users as $user ) {
+
+			// Remove each user
+			bbp_remove_user_subscription( $user, $topic_id );
+		}
+	}
+}
+
+/** Count Bumpers *************************************************************/
+
+/**
+ * Bump the total reply count of a topic
+ *
+ * @since bbPress (r3825)
+ *
+ * @param int $topic_id Optional. Forum id.
+ * @param int $difference Optional. Default 1
+ * @param bool $update_ancestors Optional. Default true
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses update_post_meta() To update the topic's reply count meta
+ * @uses apply_filters() Calls 'bbp_bump_topic_reply_count' with the reply
+ *                        count, topic id, and difference
+ * @return int Forum reply count
+ */
+function bbp_bump_topic_reply_count( $topic_id = 0, $difference = 1 ) {
+
+	// Get counts
+	$topic_id    = bbp_get_topic_id( $topic_id );
+	$reply_count = bbp_get_topic_reply_count( $topic_id, false );
+	$new_count   = (int) $reply_count + (int) $difference;
+
+	// Update this topic id's reply count
+	update_post_meta( $topic_id, '_bbp_reply_count', (int) $new_count );
+
+	return (int) apply_filters( 'bbp_bump_topic_reply_count', (int) $new_count, $topic_id, (int) $difference );
+}
+
+/**
+ * Bump the total hidden reply count of a topic
+ *
+ * @since bbPress (r3825)
+ *
+ * @param int $topic_id Optional. Forum id.
+ * @param int $difference Optional. Default 1
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses update_post_meta() To update the topic's reply count meta
+ * @uses apply_filters() Calls 'bbp_bump_topic_reply_count_hidden' with the
+ *                        reply count, topic id, and difference
+ * @return int Forum hidden reply count
+ */
+function bbp_bump_topic_reply_count_hidden( $topic_id = 0, $difference = 1 ) {
+
+	// Get counts
+	$topic_id    = bbp_get_topic_id( $topic_id );
+	$reply_count = bbp_get_topic_reply_count_hidden( $topic_id, false );
+	$new_count   = (int) $reply_count + (int) $difference;
+
+	// Update this topic id's hidder reply count
+	update_post_meta( $topic_id, '_bbp_reply_count_hidden', (int) $new_count );
+
+	return (int) apply_filters( 'bbp_bump_topic_reply_count_hidden', (int) $new_count, $topic_id, (int) $difference );
+}
+
+/** Topic Updaters ************************************************************/
+
+/**
+ * Update the topic's forum id
+ *
+ * @since bbPress (r2855)
+ *
+ * @param int $topic_id Optional. Topic id to update
+ * @param int $forum_id Optional. Forum id
+ * @uses bbp_is_reply() TO check if the passed topic id is a reply
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses get_post_field() To get the post parent of the topic id
+ * @uses bbp_get_forum_id() To get the forum id
+ * @uses update_post_meta() To update the topic forum id meta
+ * @uses apply_filters() Calls 'bbp_update_topic_forum_id' with the forum id
+ *                        and topic id
+ * @return int Forum id
+ */
+function bbp_update_topic_forum_id( $topic_id = 0, $forum_id = 0 ) {
+
+	// If it's a reply, then get the parent (topic id)
+	if ( bbp_is_reply( $topic_id ) )
+		$topic_id = bbp_get_reply_topic_id( $topic_id );
+	else
+		$topic_id = bbp_get_topic_id( $topic_id );
+
+	if ( empty( $forum_id ) )
+		$forum_id = get_post_field( 'post_parent', $topic_id );
+
+	update_post_meta( $topic_id, '_bbp_forum_id', (int) $forum_id );
+
+	return apply_filters( 'bbp_update_topic_forum_id', (int) $forum_id, $topic_id );
+}
+
+/**
+ * Update the topic's topic id
+ *
+ * @since bbPress (r2954)
+ *
+ * @param int $topic_id Optional. Topic id to update
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses update_post_meta() To update the topic's topic id meta
+ * @uses apply_filters() Calls 'bbp_update_topic_topic_id' with the topic id
+ * @return int Topic id
+ */
+function bbp_update_topic_topic_id( $topic_id = 0 ) {
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	update_post_meta( $topic_id, '_bbp_topic_id', (int) $topic_id );
+
+	return apply_filters( 'bbp_update_topic_topic_id', (int) $topic_id );
+}
+
+/**
+ * Adjust the total reply count of a topic
+ *
+ * @since bbPress (r2467)
+ *
+ * @param int $topic_id Optional. Topic id to update
+ * @param int $reply_count Optional. Set the reply count manually.
+ * @uses bbp_is_reply() To check if the passed topic id is a reply
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_reply_post_type() To get the reply post type
+ * @uses bbp_get_public_child_count() To get the reply count
+ * @uses update_post_meta() To update the topic reply count meta
+ * @uses apply_filters() Calls 'bbp_update_topic_reply_count' with the reply
+ *                        count and topic id
+ * @return int Topic reply count
+ */
+function bbp_update_topic_reply_count( $topic_id = 0, $reply_count = 0 ) {
+
+	// If it's a reply, then get the parent (topic id)
+	if ( bbp_is_reply( $topic_id ) )
+		$topic_id = bbp_get_reply_topic_id( $topic_id );
+	else
+		$topic_id = bbp_get_topic_id( $topic_id );
+
+	// Get replies of topic if not passed
+	if ( empty( $reply_count ) )
+		$reply_count = bbp_get_public_child_count( $topic_id, bbp_get_reply_post_type() );
+
+	update_post_meta( $topic_id, '_bbp_reply_count', (int) $reply_count );
+
+	return apply_filters( 'bbp_update_topic_reply_count', (int) $reply_count, $topic_id );
+}
+
+/**
+ * Adjust the total hidden reply count of a topic (hidden includes trashed and spammed replies)
+ *
+ * @since bbPress (r2740)
+ *
+ * @param int $topic_id Optional. Topic id to update
+ * @param int $reply_count Optional. Set the reply count manually
+ * @uses bbp_is_reply() To check if the passed topic id is a reply
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_reply_post_type() To get the reply post type
+ * @uses wpdb::prepare() To prepare our sql query
+ * @uses wpdb::get_var() To execute our query and get the var back
+ * @uses update_post_meta() To update the topic hidden reply count meta
+ * @uses apply_filters() Calls 'bbp_update_topic_reply_count_hidden' with the
+ *                        hidden reply count and topic id
+ * @return int Topic hidden reply count
+ */
+function bbp_update_topic_reply_count_hidden( $topic_id = 0, $reply_count = 0 ) {
+	global $wpdb;
+
+	// If it's a reply, then get the parent (topic id)
+	if ( bbp_is_reply( $topic_id ) )
+		$topic_id = bbp_get_reply_topic_id( $topic_id );
+	else
+		$topic_id = bbp_get_topic_id( $topic_id );
+
+	// Get replies of topic
+	if ( empty( $reply_count ) )
+		$reply_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(ID) FROM {$wpdb->posts} WHERE post_parent = %d AND post_status IN ( '" . join( '\',\'', array( bbp_get_trash_status_id(), bbp_get_spam_status_id() ) ) . "') AND post_type = '%s';", $topic_id, bbp_get_reply_post_type() ) );
+
+	update_post_meta( $topic_id, '_bbp_reply_count_hidden', (int) $reply_count );
+
+	return apply_filters( 'bbp_update_topic_reply_count_hidden', (int) $reply_count, $topic_id );
+}
+
+/**
+ * Update the topic with the last active post ID
+ *
+ * @since bbPress (r2888)
+ *
+ * @param int $topic_id Optional. Topic id to update
+ * @param int $active_id Optional. active id
+ * @uses bbp_is_reply() To check if the passed topic id is a reply
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_reply_post_type() To get the reply post type
+ * @uses bbp_get_public_child_last_id() To get the last public reply id
+ * @uses bbp_get_active_id() To get the active id
+ * @uses update_post_meta() To update the topic last active id meta
+ * @uses apply_filters() Calls 'bbp_update_topic_last_active_id' with the active
+ *                        id and topic id
+ * @return int Active id
+ */
+function bbp_update_topic_last_active_id( $topic_id = 0, $active_id = 0 ) {
+
+	// If it's a reply, then get the parent (topic id)
+	if ( bbp_is_reply( $topic_id ) )
+		$topic_id = bbp_get_reply_topic_id( $topic_id );
+	else
+		$topic_id = bbp_get_topic_id( $topic_id );
+
+	if ( empty( $active_id ) )
+		$active_id = bbp_get_public_child_last_id( $topic_id, bbp_get_reply_post_type() );
+
+	// Adjust last_id's based on last_reply post_type
+	if ( empty( $active_id ) || !bbp_is_reply( $active_id ) )
+		$active_id = $topic_id;
+
+	// Update only if published
+	if ( bbp_get_public_status_id() == get_post_status( $active_id ) )
+		update_post_meta( $topic_id, '_bbp_last_active_id', (int) $active_id );
+
+	return apply_filters( 'bbp_update_topic_last_active_id', (int) $active_id, $topic_id );
+}
+
+/**
+ * Update the topics last active date/time (aka freshness)
+ *
+ * @since bbPress (r2680)
+ *
+ * @param int $topic_id Optional. Topic id
+ * @param string $new_time Optional. New time in mysql format
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses current_time() To get the current time
+ * @uses update_post_meta() To update the topic last active meta
+ * @return bool True on success, false on failure
+ */
+function bbp_update_topic_last_active_time( $topic_id = 0, $new_time = '' ) {
+
+	// If it's a reply, then get the parent (topic id)
+	if ( bbp_is_reply( $topic_id ) )
+		$topic_id = bbp_get_reply_topic_id( $topic_id );
+	else
+		$topic_id = bbp_get_topic_id( $topic_id );
+
+	// Check time and use current if empty
+	if ( empty( $new_time ) )
+		$new_time = get_post_field( 'post_date', bbp_get_public_child_last_id( $topic_id, bbp_get_reply_post_type() ) );
+
+	// Update only if published
+	if ( !empty( $new_time ) )
+		update_post_meta( $topic_id, '_bbp_last_active_time', $new_time );
+
+	return apply_filters( 'bbp_update_topic_last_active_time', $new_time, $topic_id );
+}
+
+/**
+ * Update the topic with the most recent reply ID
+ *
+ * @since bbPress (r2625)
+ *
+ * @param int $topic_id Optional. Topic id to update
+ * @param int $reply_id Optional. Reply id
+ * @uses bbp_is_reply() To check if the passed topic id is a reply
+ * @uses bbp_get_reply_id() To get the reply id
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_reply_post_type() To get the reply post type
+ * @uses bbp_get_public_child_last_id() To get the last public reply id
+ * @uses update_post_meta() To update the topic last reply id meta
+ * @uses apply_filters() Calls 'bbp_update_topic_last_reply_id' with the reply
+ *                        id and topic id
+ * @return int Reply id
+ */
+function bbp_update_topic_last_reply_id( $topic_id = 0, $reply_id = 0 ) {
+
+	// If it's a reply, then get the parent (topic id)
+	if ( empty( $reply_id ) && bbp_is_reply( $topic_id ) ) {
+		$reply_id = bbp_get_reply_id( $topic_id );
+		$topic_id = bbp_get_reply_topic_id( $reply_id );
+	} else {
+		$reply_id = bbp_get_reply_id( $reply_id );
+		$topic_id = bbp_get_topic_id( $topic_id );
+	}
+
+	if ( empty( $reply_id ) )
+		$reply_id = bbp_get_public_child_last_id( $topic_id, bbp_get_reply_post_type() );
+
+	// Adjust last_id's based on last_reply post_type
+	if ( empty( $reply_id ) || !bbp_is_reply( $reply_id ) )
+		$reply_id = 0;
+
+	// Update if reply is published
+	if ( bbp_is_reply_published( $reply_id ) )
+		update_post_meta( $topic_id, '_bbp_last_reply_id', (int) $reply_id );
+
+	return apply_filters( 'bbp_update_topic_last_reply_id', (int) $reply_id, $topic_id );
+}
+
+/**
+ * Adjust the total voice count of a topic
+ *
+ * @since bbPress (r2567)
+ *
+ * @param int $topic_id Optional. Topic id to update
+ * @uses bbp_is_reply() To check if the passed topic id is a reply
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses bbp_get_reply_post_type() To get the reply post type
+ * @uses bbp_get_topic_post_type() To get the topic post type
+ * @uses wpdb::prepare() To prepare our sql query
+ * @uses wpdb::get_col() To execute our query and get the column back
+ * @uses update_post_meta() To update the topic voice count meta
+ * @uses apply_filters() Calls 'bbp_update_topic_voice_count' with the voice
+ *                        count and topic id
+ * @return int Voice count
+ */
+function bbp_update_topic_voice_count( $topic_id = 0 ) {
+	global $wpdb;
+
+	// If it's a reply, then get the parent (topic id)
+	if ( bbp_is_reply( $topic_id ) )
+		$topic_id = bbp_get_reply_topic_id( $topic_id );
+	elseif ( bbp_is_topic( $topic_id ) )
+		$topic_id = bbp_get_topic_id( $topic_id );
+	else
+		return;
+
+	// Query the DB to get voices in this topic
+	$voices = $wpdb->get_col( $wpdb->prepare( "SELECT COUNT( DISTINCT post_author ) FROM {$wpdb->posts} WHERE ( post_parent = %d AND post_status = '%s' AND post_type = '%s' ) OR ( ID = %d AND post_type = '%s' );", $topic_id, bbp_get_public_status_id(), bbp_get_reply_post_type(), $topic_id, bbp_get_topic_post_type() ) );
+
+	// If there's an error, make sure we have at least have 1 voice
+	$voices = ( empty( $voices ) || is_wp_error( $voices ) ) ? 1 : $voices[0];
+
+	// Update the voice count for this topic id
+	update_post_meta( $topic_id, '_bbp_voice_count', (int) $voices );
+
+	return apply_filters( 'bbp_update_topic_voice_count', (int) $voices, $topic_id );
+}
+
+/**
+ * Adjust the total anonymous reply count of a topic
+ *
+ * @since bbPress (r2567)
+ *
+ * @param int $topic_id Optional. Topic id to update
+ * @uses bbp_is_reply() To check if the passed topic id is a reply
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_reply_topic_id() To get the reply topic id
+ * @uses bbp_get_reply_post_type() To get the reply post type
+ * @uses bbp_get_topic_post_type() To get the topic post type
+ * @uses wpdb::prepare() To prepare our sql query
+ * @uses wpdb::get_col() To execute our query and get the column back
+ * @uses update_post_meta() To update the topic anonymous reply count meta
+ * @uses apply_filters() Calls 'bbp_update_topic_anonymous_reply_count' with the
+ *                        anonymous reply count and topic id
+ * @return int Anonymous reply count
+ */
+function bbp_update_topic_anonymous_reply_count( $topic_id = 0 ) {
+	global $wpdb;
+
+	// If it's a reply, then get the parent (topic id)
+	if ( bbp_is_reply( $topic_id ) )
+		$topic_id = bbp_get_reply_topic_id( $topic_id );
+	elseif ( bbp_is_topic( $topic_id ) )
+		$topic_id = bbp_get_topic_id( $topic_id );
+	else
+		return;
+
+	$anonymous_replies = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT( ID ) FROM {$wpdb->posts} WHERE ( post_parent = %d AND post_status = '%s' AND post_type = '%s' AND post_author = 0 ) OR ( ID = %d AND post_type = '%s' AND post_author = 0 );", $topic_id, bbp_get_public_status_id(), bbp_get_reply_post_type(), $topic_id, bbp_get_topic_post_type() ) );
+
+	update_post_meta( $topic_id, '_bbp_anonymous_reply_count', (int) $anonymous_replies );
+
+	return apply_filters( 'bbp_update_topic_anonymous_reply_count', (int) $anonymous_replies, $topic_id );
+}
+
+/**
+ * Update the revision log of the topic
+ *
+ * @since bbPress (r2782)
+ *
+ * @param mixed $args Supports these args:
+ *  - topic_id: Topic id
+ *  - author_id: Author id
+ *  - reason: Reason for editing
+ *  - revision_id: Revision id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_get_user_id() To get the user id
+ * @uses bbp_format_revision_reason() To format the reason
+ * @uses bbp_get_topic_raw_revision_log() To get the raw topic revision log
+ * @uses update_post_meta() To update the topic revision log meta
+ * @return mixed False on failure, true on success
+ */
+function bbp_update_topic_revision_log( $args = '' ) {
+	$defaults = array (
+		'reason'      => '',
+		'topic_id'    => 0,
+		'author_id'   => 0,
+		'revision_id' => 0
+	);
+	$r = bbp_parse_args( $args, $defaults, 'update_topic_revision_log' );
+	extract( $r );
+
+	// Populate the variables
+	$reason      = bbp_format_revision_reason( $reason );
+	$topic_id    = bbp_get_topic_id( $topic_id );
+	$author_id   = bbp_get_user_id ( $author_id, false, true );
+	$revision_id = (int) $revision_id;
+
+	// Get the logs and append the new one to those
+	$revision_log               = bbp_get_topic_raw_revision_log( $topic_id );
+	$revision_log[$revision_id] = array( 'author' => $author_id, 'reason' => $reason );
+
+	// Finally, update
+	return update_post_meta( $topic_id, '_bbp_revision_log', $revision_log );
+}
+
+/** Topic Actions *************************************************************/
+
+/**
+ * Closes a topic
+ *
+ * @since bbPress (r2740)
+ *
+ * @param int $topic_id Topic id
+ * @uses get_post() To get the topic
+ * @uses do_action() Calls 'bbp_close_topic' with the topic id
+ * @uses add_post_meta() To add the previous status to a meta
+ * @uses wp_insert_post() To update the topic with the new status
+ * @uses do_action() Calls 'bbp_opened_topic' with the topic id
+ * @return mixed False or {@link WP_Error} on failure, topic id on success
+ */
+function bbp_close_topic( $topic_id = 0 ) {
+
+	// Get topic
+	if ( !$topic = get_post( $topic_id, ARRAY_A ) )
+		return $topic;
+
+	// Bail if already closed
+	if ( bbp_get_closed_status_id() == $topic['post_status'] )
+		return false;
+
+	// Execute pre close code
+	do_action( 'bbp_close_topic', $topic_id );
+
+	// Add pre close status
+	add_post_meta( $topic_id, '_bbp_status', $topic['post_status'] );
+
+	// Set closed status
+	$topic['post_status'] = bbp_get_closed_status_id();
+
+	// No revisions
+	remove_action( 'pre_post_update', 'wp_save_post_revision' );
+
+	// Update topic
+	$topic_id = wp_insert_post( $topic );
+
+	// Execute post close code
+	do_action( 'bbp_closed_topic', $topic_id );
+
+	// Return topic_id
+	return $topic_id;
+}
+
+/**
+ * Opens a topic
+ *
+ * @since bbPress (r2740)
+ *
+ * @param int $topic_id Topic id
+ * @uses get_post() To get the topic
+ * @uses do_action() Calls 'bbp_open_topic' with the topic id
+ * @uses get_post_meta() To get the previous status
+ * @uses delete_post_meta() To delete the previous status meta
+ * @uses wp_insert_post() To update the topic with the new status
+ * @uses do_action() Calls 'bbp_opened_topic' with the topic id
+ * @return mixed False or {@link WP_Error} on failure, topic id on success
+ */
+function bbp_open_topic( $topic_id = 0 ) {
+
+	// Get topic
+	if ( !$topic = get_post( $topic_id, ARRAY_A ) )
+		return $topic;
+
+	// Bail if already open
+	if ( bbp_get_closed_status_id() != $topic['post_status'])
+		return false;
+
+	// Execute pre open code
+	do_action( 'bbp_open_topic', $topic_id );
+
+	// Get previous status
+	$topic_status         = get_post_meta( $topic_id, '_bbp_status', true );
+
+	// Set previous status
+	$topic['post_status'] = $topic_status;
+
+	// Remove old status meta
+	delete_post_meta( $topic_id, '_bbp_status' );
+
+	// No revisions
+	remove_action( 'pre_post_update', 'wp_save_post_revision' );
+
+	// Update topic
+	$topic_id = wp_insert_post( $topic );
+
+	// Execute post open code
+	do_action( 'bbp_opened_topic', $topic_id );
+
+	// Return topic_id
+	return $topic_id;
+}
+
+/**
+ * Marks a topic as spam
+ *
+ * @since bbPress (r2740)
+ *
+ * @param int $topic_id Topic id
+ * @uses get_post() To get the topic
+ * @uses do_action() Calls 'bbp_spam_topic' with the topic id
+ * @uses add_post_meta() To add the previous status to a meta
+ * @uses wp_insert_post() To update the topic with the new status
+ * @uses do_action() Calls 'bbp_spammed_topic' with the topic id
+ * @return mixed False or {@link WP_Error} on failure, topic id on success
+ */
+function bbp_spam_topic( $topic_id = 0 ) {
+
+	// Get the topic
+	if ( !$topic = get_post( $topic_id, ARRAY_A ) )
+		return $topic;
+
+	// Bail if topic is spam
+	if ( bbp_get_spam_status_id() == $topic['post_status'] )
+		return false;
+
+	// Execute pre spam code
+	do_action( 'bbp_spam_topic', $topic_id );
+
+	// Add the original post status as post meta for future restoration
+	add_post_meta( $topic_id, '_bbp_spam_meta_status', $topic['post_status'] );
+
+	// Get topic tags
+	$terms = get_the_terms( $topic_id, bbp_get_topic_tag_tax_id() );
+
+	// Define local variable(s)
+	$term_names = array();
+
+	// Topic has tags
+	if ( !empty( $terms ) ) {
+
+		// Loop through and collect term names
+		foreach( $terms as $term ) {
+			$term_names[] = $term->name;
+		}
+
+		// Topic terms have slugs
+		if ( !empty( $term_names ) ) {
+
+			// Add the original post status as post meta for future restoration
+			add_post_meta( $topic_id, '_bbp_spam_topic_tags', $term_names );
+
+			// Empty the topic of its tags
+			$topic['tax_input'] = array( bbp_get_topic_tag_tax_id() => '' );
+		}
+	}
+	
+	// Set post status to spam
+	$topic['post_status'] = bbp_get_spam_status_id();
+
+	// No revisions
+	remove_action( 'pre_post_update', 'wp_save_post_revision' );
+
+	// Update the topic
+	$topic_id = wp_insert_post( $topic );
+
+	// Execute post spam code
+	do_action( 'bbp_spammed_topic', $topic_id );
+
+	// Return topic_id
+	return $topic_id;
+}
+
+/**
+ * Unspams a topic
+ *
+ * @since bbPress (r2740)
+ *
+ * @param int $topic_id Topic id
+ * @uses get_post() To get the topic
+ * @uses do_action() Calls 'bbp_unspam_topic' with the topic id
+ * @uses get_post_meta() To get the previous status
+ * @uses delete_post_meta() To delete the previous status meta
+ * @uses wp_insert_post() To update the topic with the new status
+ * @uses do_action() Calls 'bbp_unspammed_topic' with the topic id
+ * @return mixed False or {@link WP_Error} on failure, topic id on success
+ */
+function bbp_unspam_topic( $topic_id = 0 ) {
+
+	// Get the topic
+	if ( !$topic = get_post( $topic_id, ARRAY_A ) )
+		return $topic;
+
+	// Bail if already not spam
+	if ( bbp_get_spam_status_id() != $topic['post_status'] )
+		return false;
+
+	// Execute pre unspam code
+	do_action( 'bbp_unspam_topic', $topic_id );
+
+	// Get pre spam status
+	$topic_status = get_post_meta( $topic_id, '_bbp_spam_meta_status', true );
+
+	// Set post status to pre spam
+	$topic['post_status'] = $topic_status;
+
+	// Delete pre spam meta
+	delete_post_meta( $topic_id, '_bbp_spam_meta_status' );
+
+	// No revisions
+	remove_action( 'pre_post_update', 'wp_save_post_revision' );
+
+	// Get pre-spam topic tags
+	$terms = get_post_meta( $topic_id, '_bbp_spam_topic_tags', true );
+
+	// Topic had tags before it was spammed
+	if ( !empty( $terms ) ) {
+
+		// Set the tax_input of the topic
+		$topic['tax_input'] = array( bbp_get_topic_tag_tax_id() => $terms );
+
+		// Delete pre-spam topic tag meta
+		delete_post_meta( $topic_id, '_bbp_spam_topic_tags' );
+	}
+
+	// Update the topic
+	$topic_id = wp_insert_post( $topic );
+
+	// Execute post unspam code
+	do_action( 'bbp_unspammed_topic', $topic_id );
+
+	// Return topic_id
+	return $topic_id;
+}
+
+/**
+ * Sticks a topic to a forum or front
+ *
+ * @since bbPress (r2754)
+ *
+ * @param int $topic_id Optional. Topic id
+ * @param int $super Should we make the topic a super sticky?
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_unstick_topic() To unstick the topic
+ * @uses bbp_get_topic_forum_id() To get the topic forum id
+ * @uses bbp_get_stickies() To get the stickies
+ * @uses do_action() 'bbp_stick_topic' with topic id and bool super
+ * @uses update_option() To update the super stickies option
+ * @uses update_post_meta() To update the forum stickies meta
+ * @uses do_action() Calls 'bbp_sticked_topic' with the topic id, bool super
+ *                    and success
+ * @return bool True on success, false on failure
+ */
+function bbp_stick_topic( $topic_id = 0, $super = false ) {
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	// Bail if a topic is not a topic (prevents revisions as stickies)
+	if ( ! bbp_is_topic( $topic_id ) )
+		return false;
+
+	// We may have a super sticky to which we want to convert into a normal
+	// sticky and vice versa; unstick the topic first to avoid any possible error.
+	bbp_unstick_topic( $topic_id );
+
+	$forum_id = empty( $super ) ? bbp_get_topic_forum_id( $topic_id ) : 0;
+	$stickies = bbp_get_stickies( $forum_id );
+
+	do_action( 'bbp_stick_topic', $topic_id, $super );
+
+	if ( !is_array( $stickies ) ) {
+		$stickies   = array( $topic_id );
+	} else {
+		$stickies[] = $topic_id;
+	}
+
+	// Pull out duplicates and empties
+	$stickies = array_unique( array_filter( $stickies ) );
+
+	// Unset incorrectly stuck revisions
+	foreach ( (array) $stickies as $key => $id ) {
+		if ( ! bbp_is_topic( $id ) ) {
+			unset( $stickies[$key] );
+		}
+	}
+
+	// Reset keys
+	$stickies = array_values( $stickies );
+	$success  = !empty( $super ) ? update_option( '_bbp_super_sticky_topics', $stickies ) : update_post_meta( $forum_id, '_bbp_sticky_topics', $stickies );
+
+	do_action( 'bbp_sticked_topic', $topic_id, $super, $success );
+
+	return (bool) $success;
+}
+
+/**
+ * Unsticks a topic both from front and it's forum
+ *
+ * @since bbPress (r2754)
+ *
+ * @param int $topic_id Optional. Topic id
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_is_topic_super_sticky() To check if the topic is a super sticky
+ * @uses bbp_get_topic_forum_id() To get the topic forum id
+ * @uses bbp_get_stickies() To get the forum stickies
+ * @uses do_action() Calls 'bbp_unstick_topic' with the topic id
+ * @uses delete_option() To delete the super stickies option
+ * @uses update_option() To update the super stickies option
+ * @uses delete_post_meta() To delete the forum stickies meta
+ * @uses update_post_meta() To update the forum stickies meta
+ * @uses do_action() Calls 'bbp_unsticked_topic' with the topic id and success
+ * @return bool Always true.
+ */
+function bbp_unstick_topic( $topic_id = 0 ) {
+	$topic_id = bbp_get_topic_id( $topic_id );
+	$super    = bbp_is_topic_super_sticky( $topic_id );
+	$forum_id = empty( $super ) ? bbp_get_topic_forum_id( $topic_id ) : 0;
+	$stickies = bbp_get_stickies( $forum_id );
+	$offset   = array_search( $topic_id, $stickies );
+
+	do_action( 'bbp_unstick_topic', $topic_id );
+
+	if ( empty( $stickies ) ) {
+		$success = true;
+	} elseif ( !in_array( $topic_id, $stickies ) ) {
+		$success = true;
+	} elseif ( false === $offset ) {
+		$success = true;
+	} else {
+		array_splice( $stickies, $offset, 1 );
+		if ( empty( $stickies ) ) {
+			$success = !empty( $super ) ? delete_option( '_bbp_super_sticky_topics'            ) : delete_post_meta( $forum_id, '_bbp_sticky_topics'            );
+		} else {
+			$success = !empty( $super ) ? update_option( '_bbp_super_sticky_topics', $stickies ) : update_post_meta( $forum_id, '_bbp_sticky_topics', $stickies );
+		}
+	}
+
+	do_action( 'bbp_unsticked_topic', $topic_id, $success );
+
+	return (bool) $success;
+}
+
+/** Before Delete/Trash/Untrash ***********************************************/
+
+/**
+ * Called before deleting a topic.
+ * 
+ * This function is supplemental to the actual topic deletion which is
+ * handled by WordPress core API functions. It is used to clean up after
+ * a topic that is being deleted.
+ *
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_is_topic() To check if the passed id is a topic
+ * @uses do_action() Calls 'bbp_delete_topic' with the topic id
+ * @uses bbp_has_replies() To check if the topic has replies
+ * @uses bbp_replies() To loop through the replies
+ * @uses bbp_the_reply() To set a reply as the current reply in the loop
+ * @uses bbp_get_reply_id() To get the reply id
+ * @uses wp_delete_post() To delete the reply
+ */
+function bbp_delete_topic( $topic_id = 0 ) {
+
+	// Validate topic ID
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	if ( empty( $topic_id ) || !bbp_is_topic( $topic_id ) )
+		return false;
+
+	do_action( 'bbp_delete_topic', $topic_id );
+
+	// Topic is being permanently deleted, so its replies gotta go too
+	if ( $replies = new WP_Query( array(
+		'suppress_filters' => true,
+		'post_type'        => bbp_get_reply_post_type(),
+		'post_status'      => 'any',
+		'post_parent'      => $topic_id,
+		'posts_per_page'   => -1,
+		'nopaging'         => true,
+		'fields'           => 'id=>parent'
+	) ) ) {
+		foreach ( $replies->posts as $reply ) {
+			wp_delete_post( $reply->ID, true );
+		}
+
+		// Reset the $post global
+		wp_reset_postdata();
+	}
+}
+
+/**
+ * Called before trashing a topic
+ *
+ * This function is supplemental to the actual topic being trashed which is
+ * handled by WordPress core API functions. It is used to clean up after
+ * a topic that is being trashed.
+ * 
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_is_topic() To check if the passed id is a topic
+ * @uses do_action() Calls 'bbp_trash_topic' with the topic id
+ * @uses wp_trash_post() To trash the reply
+ * @uses update_post_meta() To save a list of just trashed replies for future use
+ */
+function bbp_trash_topic( $topic_id = 0 ) {
+
+	// Validate topic ID
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	if ( empty( $topic_id ) || !bbp_is_topic( $topic_id ) )
+		return false;
+
+	do_action( 'bbp_trash_topic', $topic_id );
+
+	// Topic is being trashed, so its replies are trashed too
+	if ( $replies = new WP_Query( array(
+		'suppress_filters' => true,
+		'post_type'        => bbp_get_reply_post_type(),
+		'post_status'      => bbp_get_public_status_id(),
+		'post_parent'      => $topic_id,
+		'posts_per_page'   => -1,
+		'nopaging'         => true,
+		'fields'           => 'id=>parent'
+	) ) ) {
+
+		// Prevent debug notices
+		$pre_trashed_replies = array();
+
+		// Loop through replies, trash them, and add them to array
+		foreach ( $replies->posts as $reply ) {
+			wp_trash_post( $reply->ID );
+			$pre_trashed_replies[] = $reply->ID;
+		}
+
+		// Set a post_meta entry of the replies that were trashed by this action.
+		// This is so we can possibly untrash them, without untrashing replies
+		// that were purposefully trashed before.
+		update_post_meta( $topic_id, '_bbp_pre_trashed_replies', $pre_trashed_replies );
+
+		// Reset the $post global
+		wp_reset_postdata();
+	}
+}
+
+/**
+ * Called before untrashing a topic
+ *
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_is_topic() To check if the passed id is a topic
+ * @uses do_action() Calls 'bbp_untrash_topic' with the topic id
+ * @uses get_post_meta() To get the list of replies which were trashed with the
+ *                        topic
+ * @uses wp_untrash_post() To untrash the reply
+ */
+function bbp_untrash_topic( $topic_id = 0 ) {
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	if ( empty( $topic_id ) || !bbp_is_topic( $topic_id ) )
+		return false;
+
+	do_action( 'bbp_untrash_topic', $topic_id );
+
+	// Get the replies that were not previously trashed
+	$pre_trashed_replies = get_post_meta( $topic_id, '_bbp_pre_trashed_replies', true );
+
+	// There are replies to untrash
+	if ( !empty( $pre_trashed_replies ) ) {
+
+		// Maybe reverse the trashed replies array
+		if ( is_array( $pre_trashed_replies ) )
+			$pre_trashed_replies = array_reverse( $pre_trashed_replies );
+
+		// Loop through replies
+		foreach ( (array) $pre_trashed_replies as $reply ) {
+			wp_untrash_post( $reply );
+		}
+	}
+}
+
+/** After Delete/Trash/Untrash ************************************************/
+
+/**
+ * Called after deleting a topic
+ *
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_is_topic() To check if the passed id is a topic
+ * @uses do_action() Calls 'bbp_deleted_topic' with the topic id
+ */
+function bbp_deleted_topic( $topic_id = 0 ) {
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	if ( empty( $topic_id ) || !bbp_is_topic( $topic_id ) )
+		return false;
+
+	do_action( 'bbp_deleted_topic', $topic_id );
+}
+
+/**
+ * Called after trashing a topic
+ *
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_is_topic() To check if the passed id is a topic
+ * @uses do_action() Calls 'bbp_trashed_topic' with the topic id
+ */
+function bbp_trashed_topic( $topic_id = 0 ) {
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	if ( empty( $topic_id ) || !bbp_is_topic( $topic_id ) )
+		return false;
+
+	do_action( 'bbp_trashed_topic', $topic_id );
+}
+
+/**
+ * Called after untrashing a topic
+ *
+ * @uses bbp_get_topic_id() To get the topic id
+ * @uses bbp_is_topic() To check if the passed id is a topic
+ * @uses do_action() Calls 'bbp_untrashed_topic' with the topic id
+ */
+function bbp_untrashed_topic( $topic_id = 0 ) {
+	$topic_id = bbp_get_topic_id( $topic_id );
+
+	if ( empty( $topic_id ) || !bbp_is_topic( $topic_id ) )
+		return false;
+
+	do_action( 'bbp_untrashed_topic', $topic_id );
+}
+
+/** Settings ******************************************************************/
+
+/**
+ * Return the topics per page setting
+ *
+ * @since bbPress (r3540)
+ *
+ * @param int $default Default replies per page (15)
+ * @uses get_option() To get the setting
+ * @uses apply_filters() To allow the return value to be manipulated
+ * @return int
+ */
+function bbp_get_topics_per_page( $default = 15 ) {
+
+	// Get database option and cast as integer
+	$retval = get_option( '_bbp_topics_per_page', $default );
+
+	// If return val is empty, set it to default
+	if ( empty( $retval ) )
+		$retval = $default;
+
+	// Filter and return
+	return (int) apply_filters( 'bbp_get_topics_per_page', $retval, $default );
+}
+
+/**
+ * Return the topics per RSS page setting
+ *
+ * @since bbPress (r3540)
+ *
+ * @param int $default Default replies per page (25)
+ * @uses get_option() To get the setting
+ * @uses apply_filters() To allow the return value to be manipulated
+ * @return int
+ */
+function bbp_get_topics_per_rss_page( $default = 25 ) {
+
+	// Get database option and cast as integer
+	$retval = get_option( '_bbp_topics_per_rss_page', $default );
+
+	// If return val is empty, set it to default
+	if ( empty( $retval ) )
+		$retval = $default;
+
+	// Filter and return
+	return (int) apply_filters( 'bbp_get_topics_per_rss_page', $retval, $default );
+}
+
+/** Topic Tags ****************************************************************/
+
+/**
+ * Get topic tags for a specific topic ID
+ *
+ * @since bbPress (r4165)
+ *
+ * @param int $topic_id
+ * @param string $sep
+ * @return string
+ */
+function bbp_get_topic_tag_names( $topic_id = 0, $sep = ', ' ) {
+	$topic_id   = bbp_get_topic_id( $topic_id );
+	$topic_tags = array_filter( (array) get_the_terms( $topic_id, bbp_get_topic_tag_tax_id() ) );
+	$terms      = array();
+	foreach( $topic_tags as $term ) {
+		$terms[] = $term->name;
+	}
+	$terms = !empty( $terms ) ? implode( $sep, $terms ) : '';
+
+	return apply_filters( 'bbp_get_topic_tags', $terms, $topic_id );
+}
+
+/** Autoembed *****************************************************************/
+
+/**
+ * Check if autoembeds are enabled and hook them in if so
+ *
+ * @since bbPress (r3752)
+ * @global WP_Embed $wp_embed
+ */
+function bbp_topic_content_autoembed() {
+	global $wp_embed;
+
+	if ( bbp_use_autoembed() && is_a( $wp_embed, 'WP_Embed' ) ) {
+		add_filter( 'bbp_get_topic_content', array( $wp_embed, 'autoembed' ), 8 );		
+	}
+}
+
+/** Feeds *********************************************************************/
+
+/**
+ * Output an RSS2 feed of topics, based on the query passed.
+ *
+ * @since bbPress (r3171)
+ *
+ * @uses bbp_version()
+ * @uses bbp_is_single_topic()
+ * @uses bbp_user_can_view_forum()
+ * @uses bbp_get_topic_forum_id()
+ * @uses bbp_show_load_topic()
+ * @uses bbp_topic_permalink()
+ * @uses bbp_topic_title()
+ * @uses bbp_get_topic_reply_count()
+ * @uses bbp_topic_content()
+ * @uses bbp_has_topics()
+ * @uses bbp_topics()
+ * @uses bbp_the_topic()
+ * @uses get_wp_title_rss()
+ * @uses get_option()
+ * @uses bloginfo_rss
+ * @uses self_link()
+ * @uses the_author()
+ * @uses get_post_time()
+ * @uses rss_enclosure()
+ * @uses do_action()
+ * @uses apply_filters()
+ *
+ * @param array $topics_query
+ */
+function bbp_display_topics_feed_rss2( $topics_query = array() ) {
+
+	// User cannot access this forum
+	if ( bbp_is_single_forum() && !bbp_user_can_view_forum( array( 'forum_id' => bbp_get_forum_id() ) ) )
+		return;
+
+	// Display the feed
+	header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), true );
+	header( 'Status: 200 OK' );
+	echo '<?xml version="1.0" encoding="' . get_option( 'blog_charset' ) . '"?' . '>'; ?>
+
+	<rss version="2.0"
+		xmlns:content="http://purl.org/rss/1.0/modules/content/"
+		xmlns:wfw="http://wellformedweb.org/CommentAPI/"
+		xmlns:dc="http://purl.org/dc/elements/1.1/"
+		xmlns:atom="http://www.w3.org/2005/Atom"
+
+		<?php do_action( 'bbp_feed' ); ?>
+	>
+
+	<channel>
+
+		<title><?php bloginfo_rss( 'name' ); ?> &#187; <?php _e( 'All Topics', 'bbpress' ); ?></title>
+		<atom:link href="<?php self_link(); ?>" rel="self" type="application/rss+xml" />
+		<link><?php self_link(); ?></link>
+		<description><?php //?></description>
+		<pubDate><?php echo mysql2date( 'D, d M Y H:i:s O', current_time( 'mysql' ), false ); ?></pubDate>
+		<generator>http://bbpress.org/?v=<?php bbp_version(); ?></generator>
+		<language><?php echo get_option( 'rss_language' ); ?></language>
+
+		<?php do_action( 'bbp_feed_head' ); ?>
+
+		<?php if ( bbp_has_topics( $topics_query ) ) : ?>
+
+			<?php while ( bbp_topics() ) : bbp_the_topic(); ?>
+
+				<item>
+					<guid><?php bbp_topic_permalink(); ?></guid>
+					<title><![CDATA[<?php bbp_topic_title(); ?>]]></title>
+					<link><?php bbp_topic_permalink(); ?></link>
+					<pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_post_meta( bbp_get_topic_id(), '_bbp_last_active_time', true ) ); ?></pubDate>
+					<dc:creator><?php the_author() ?></dc:creator>
+
+					<?php if ( !post_password_required() ) : ?>
+
+					<description>
+						<![CDATA[
+						<p><?php printf( __( 'Replies: %s', 'bbpress' ), bbp_get_topic_reply_count() ); ?></p>
+						<?php bbp_topic_content(); ?>
+						]]>
+					</description>
+
+					<?php rss_enclosure(); ?>
+
+					<?php endif; ?>
+
+					<?php do_action( 'bbp_feed_item' ); ?>
+
+				</item>
+
+				<?php endwhile; ?>
+			<?php endif; ?>
+
+		<?php do_action( 'bbp_feed_footer' ); ?>
+
+	</channel>
+	</rss>
+
+<?php
+	exit();
+}
+
+/** Permissions ***************************************************************/
+
+/**
+ * Redirect if unathorized user is attempting to edit a topic
+ * 
+ * @since bbPress (r3605)
+ *
+ * @uses bbp_is_topic_edit()
+ * @uses current_user_can()
+ * @uses bbp_get_topic_id()
+ * @uses wp_safe_redirect()
+ * @uses bbp_get_topic_permalink()
+ */
+function bbp_check_topic_edit() {
+
+	// Bail if not editing a topic
+	if ( !bbp_is_topic_edit() )
+		return;
+
+	// User cannot edit topic, so redirect back to topic
+	if ( !current_user_can( 'edit_topic', bbp_get_topic_id() ) ) {
+		wp_safe_redirect( bbp_get_topic_permalink() );
+		exit();
+	}
+}
+
+/**
+ * Redirect if unathorized user is attempting to edit a topic tag
+ * 
+ * @since bbPress (r3605)
+ *
+ * @uses bbp_is_topic_tag_edit()
+ * @uses current_user_can()
+ * @uses bbp_get_topic_tag_id()
+ * @uses wp_safe_redirect()
+ * @uses bbp_get_topic_tag_link()
+ */
+function bbp_check_topic_tag_edit() {
+
+	// Bail if not editing a topic tag
+	if ( !bbp_is_topic_tag_edit() )
+		return;
+
+	// Bail if current user cannot edit topic tags
+	if ( !current_user_can( 'edit_topic_tags', bbp_get_topic_tag_id() ) ) {
+		wp_safe_redirect( bbp_get_topic_tag_link() );
+		exit();
+	}
+}