public function setup_globals() {

		// Setup smiley URL & path
		$this->bbcode_parser_properties = array(
			'smiley_url' => false,
			'smiley_dir' => false
		);

		/** Forum Section *****************************************************/

		// Old forum id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'forum',
			'from_fieldname' => 'forumid',
			'to_type'        => 'forum',
			'to_fieldname'   => '_bbp_old_forum_id'
		);

		// Forum parent id (If no parent, then 0. Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'forum',
			'from_fieldname' => 'parentid',
			'to_type'        => 'forum',
			'to_fieldname'   => '_bbp_old_forum_parent_id'
		);

		// Forum topic count (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'forum',
			'from_fieldname' => 'threadcount',
			'to_type'        => 'forum',
			'to_fieldname'   => '_bbp_topic_count'
		);

		// Forum reply count (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'forum',
			'from_fieldname' => 'replycount',
			'to_type'        => 'forum',
			'to_fieldname'   => '_bbp_reply_count'
		);

		// Forum total topic count (Includes unpublished topics, Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forum',
			'from_fieldname'  => 'threadcount',
			'to_type'         => 'forum',
			'to_fieldname'    => '_bbp_total_topic_count'
		);

		// Forum total reply count (Includes unpublished replies, Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forum',
			'from_fieldname'  => 'replycount',
			'to_type'         => 'forum',
			'to_fieldname'    => '_bbp_total_reply_count'
		);

		// Forum title.
		$this->field_map[] = array(
			'from_tablename' => 'forum',
			'from_fieldname' => 'title',
			'to_type'        => 'forum',
			'to_fieldname'   => 'post_title'
		);

		// Forum slug (Clean name to avoid confilcts)
		$this->field_map[] = array(
			'from_tablename'  => 'forum',
			'from_fieldname'  => 'title_clean',
			'to_type'         => 'forum',
			'to_fieldname'    => 'post_name',
			'callback_method' => 'callback_slug'
		);

		// Forum description.
		$this->field_map[] = array(
			'from_tablename'  => 'forum',
			'from_fieldname'  => 'description',
			'to_type'         => 'forum',
			'to_fieldname'    => 'post_content',
			'callback_method' => 'callback_null'
		);

		// Forum display order (Starts from 1)
		$this->field_map[] = array(
			'from_tablename' => 'forum',
			'from_fieldname' => 'displayorder',
			'to_type'        => 'forum',
			'to_fieldname'   => 'menu_order'
		);

		// Forum type (Category = -1 or Forum > 0, Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'forum',
			'from_fieldname'  => 'parentid',
			'to_type'         => 'forum',
			'to_fieldname'    => '_bbp_forum_type',
			'callback_method' => 'callback_forum_type'
		);

		// Forum status (Set a default value 'open', Stored in postmeta)
		$this->field_map[] = array(
			'to_type'      => 'forum',
			'to_fieldname' => '_bbp_status',
			'default'      => 'open'
		);

		// Forum dates.
		$this->field_map[] = array(
			'to_type'      => 'forum',
			'to_fieldname' => 'post_date',
			'default'      => date( 'Y-m-d H:i:s' )
		);
		$this->field_map[]	 = array(
			'to_type'      => 'forum',
			'to_fieldname' => 'post_date_gmt',
			'default'      => date( 'Y-m-d H:i:s' )
		);
		$this->field_map[]	 = array(
			'to_type'      => 'forum',
			'to_fieldname' => 'post_modified',
			'default'      => date( 'Y-m-d H:i:s' )
		);
		$this->field_map[]	 = array(
			'to_type'      => 'forum',
			'to_fieldname' => 'post_modified_gmt',
			'default'      => date( 'Y-m-d H:i:s' )
		);

		/** Forum Subscriptions Section ***************************************/

		// Subscribed forum ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'subscribeforum',
			'from_fieldname'  => 'forumid',
			'to_type'         => 'forum_subscriptions',
			'to_fieldname'    => '_bbp_forum_subscriptions'
		);

		// Subscribed user ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'subscribeforum',
			'from_fieldname'  => 'userid',
			'to_type'         => 'forum_subscriptions',
			'to_fieldname'    => 'user_id',
			'callback_method' => 'callback_userid'
		);

		/** Topic Section *****************************************************/

		// Old topic id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'thread',
			'from_fieldname' => 'threadid',
			'to_type'        => 'topic',
			'to_fieldname'   => '_bbp_old_topic_id'
		);

		// Topic parent forum id (If no parent, then 0. Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'forumid',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_forum_id',
			'callback_method' => 'callback_forumid'
		);

		// Topic reply count (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'replycount',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_reply_count',
			'callback_method' => 'callback_topic_reply_count'
		);

		// Topic total reply count (Includes unpublished replies, Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'replycount',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_total_reply_count',
			'callback_method' => 'callback_topic_reply_count'
		);

		// Topic author.
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'postuserid',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_author',
			'callback_method' => 'callback_userid'
		);

		// Topic author name (Stored in postmeta as _bbp_anonymous_name)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'postusername',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_old_topic_author_name_id'
		);

		// Is the topic anonymous (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'postuserid',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_old_is_topic_anonymous_id',
			'callback_method' => 'callback_check_anonymous'
		);

		// Topic Author ip (Stored in postmeta)
		// Note: We join the 'post' table because 'thread' table does not include topic content.
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'ipaddress',
			'join_tablename'  => 'thread',
			'join_type'       => 'INNER',
			'join_expression' => 'USING (threadid) WHERE post.parentid = 0',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_author_ip'
		);

		// Topic title.
		$this->field_map[] = array(
			'from_tablename' => 'thread',
			'from_fieldname' => 'title',
			'to_type'        => 'topic',
			'to_fieldname'   => 'post_title'
		);

		// Topic slug (Clean name to avoid conflicts)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'title',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_name',
			'callback_method' => 'callback_slug'
		);

		// Topic parent forum id (If no parent, then 0)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'forumid',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_parent',
			'callback_method' => 'callback_forumid'
		);

		// Topic content.
		// Note: We join the 'post' table because 'thread' table does not include topic content.
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'pagetext',
			'join_tablename'  => 'thread',
			'join_type'       => 'INNER',
			'join_expression' => 'USING (threadid) WHERE post.parentid = 0',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_content',
			'callback_method' => 'callback_html'
		);

		// Topic status (Open or Closed)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'open',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_old_closed_status_id',
			'callback_method' => 'callback_topic_status'
		);

		// Sticky status (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'sticky',
			'to_type'         => 'topic',
			'to_fieldname'    => '_bbp_old_sticky_status_id',
			'callback_method' => 'callback_sticky_status'
		);

		// Topic dates.
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'dateline',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_date',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'dateline',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_date_gmt',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'dateline',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_modified',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'thread',
			'from_fieldname'  => 'dateline',
			'to_type'         => 'topic',
			'to_fieldname'    => 'post_modified_gmt',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename' => 'thread',
			'from_fieldname' => 'lastpost',
			'to_type'        => 'topic',
			'to_fieldname'   => '_bbp_last_active_time',
			'callback_method' => 'callback_datetime'
		);

		/** Tags Section ******************************************************/

		// Topic id.
		$this->field_map[] = array(
			'from_tablename'  => 'tagthread',
			'from_fieldname'  => 'threadid',
			'to_type'         => 'tags',
			'to_fieldname'    => 'objectid',
			'callback_method' => 'callback_topicid'
		);

		// Taxonomy ID.
		$this->field_map[] = array(
			'from_tablename'  => 'tagthread',
			'from_fieldname'  => 'tagid',
			'to_type'         => 'tags',
			'to_fieldname'    => 'taxonomy'
		);

		// Term text.
		$this->field_map[] = array(
			'from_tablename'  => 'tag',
			'from_fieldname'  => 'tagtext',
			'join_tablename'  => 'tagthread',
			'join_type'       => 'INNER',
			'join_expression' => 'USING (tagid)',
			'to_type'         => 'tags',
			'to_fieldname'    => 'name'
		);

		// Term slug.
		$this->field_map[] = array(
			'from_tablename'  => 'tag',
			'from_fieldname'  => 'tagtext',
			'join_tablename'  => 'tagthread',
			'join_type'       => 'INNER',
			'join_expression' => 'USING (tagid)',
			'to_type'         => 'tags',
			'to_fieldname'    => 'slug',
			'callback_method' => 'callback_slug'
		);

		/** Topic Subscriptions Section ***************************************/

		// Subscribed topic ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'subscribethread',
			'from_fieldname'  => 'threadid',
			'to_type'         => 'topic_subscriptions',
			'to_fieldname'    => '_bbp_subscriptions'
		);

		// Subscribed user ID (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename'  => 'subscribethread',
			'from_fieldname'  => 'userid',
			'to_type'         => 'topic_subscriptions',
			'to_fieldname'    => 'user_id',
			'callback_method' => 'callback_userid'
		);

		/** Reply Section *****************************************************/

		// Old reply id (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'postid',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_old_reply_id'
		);

		// Reply parent forum id (If no parent, then 0. Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'threadid',
			'from_expression' => 'WHERE parentid != 0',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_forum_id',
			'callback_method' => 'callback_topicid_to_forumid'
		);

		// Reply parent topic id (If no parent, then 0. Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'threadid',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_topic_id',
			'callback_method' => 'callback_topicid'
		);

		// Reply author ip (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename' => 'post',
			'from_fieldname' => 'ipaddress',
			'to_type'        => 'reply',
			'to_fieldname'   => '_bbp_author_ip'
		);

		// Reply author.
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'userid',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_author',
			'callback_method' => 'callback_userid'
		);

		// Reply author name (Stored in postmeta as _bbp_anonymous_name)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'username',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_old_reply_author_name_id'
		);

		// Is the reply anonymous (Stored in postmeta)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'userid',
			'to_type'         => 'reply',
			'to_fieldname'    => '_bbp_old_is_reply_anonymous_id',
			'callback_method' => 'callback_check_anonymous'
		);

		// Reply content.
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'pagetext',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_content',
			'callback_method' => 'callback_html'
		);

		// Reply parent topic id (If no parent, then 0)
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'threadid',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_parent',
			'callback_method' => 'callback_topicid'
		);

		// Reply dates.
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'dateline',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_date',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'dateline',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_date_gmt',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[] = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'dateline',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_modified',
			'callback_method' => 'callback_datetime'
		);
		$this->field_map[]	 = array(
			'from_tablename'  => 'post',
			'from_fieldname'  => 'dateline',
			'to_type'         => 'reply',
			'to_fieldname'    => 'post_modified_gmt',
			'callback_method' => 'callback_datetime'
		);

		/** User Section ******************************************************/

		// Store old user id (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'userid',
			'to_type'        => 'user',
			'to_fieldname'   => '_bbp_old_user_id'
		);

		// Store old user password (Stored in usermeta serialized with salt)
		$this->field_map[] = array(
			'from_tablename'  => 'user',
			'from_fieldname'  => 'password',
			'to_type'         => 'user',
			'to_fieldname'    => '_bbp_password',
			'callback_method' => 'callback_savepass'
		);

		// Store old user salt (This is only used for the SELECT row info for the above password save)
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'salt',
			'to_type'        => 'user',
			'to_fieldname'   => ''
		);

		// User password verify class (Stored in usermeta for verifying password)
		$this->field_map[] = array(
			'to_type'      => 'user',
			'to_fieldname' => '_bbp_class',
			'default'      => 'vBulletin3'
		);

		// User name.
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'username',
			'to_type'        => 'user',
			'to_fieldname'   => 'user_login'
		);

		// User email.
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'email',
			'to_type'        => 'user',
			'to_fieldname'   => 'user_email'
		);

		// User homepage.
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'homepage',
			'to_type'        => 'user',
			'to_fieldname'   => 'user_url'
		);

		// User registered.
		$this->field_map[] = array(
			'from_tablename'  => 'user',
			'from_fieldname'  => 'joindate',
			'to_type'         => 'user',
			'to_fieldname'    => 'user_registered',
			'callback_method' => 'callback_datetime'
		);

		// User AIM (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'aim',
			'to_type'        => 'user',
			'to_fieldname'   => '_bbp_vbulletin3_user_aim'
		);

		// User Yahoo (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'yahoo',
			'to_type'        => 'user',
			'to_fieldname'   => '_bbp_vbulletin3_user_yim'
		);

		// User ICQ (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'icq',
			'to_type'        => 'user',
			'to_fieldname'   => '_bbp_vbulletin3_user_icq'
		);

		// User MSN (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'msn',
			'to_type'        => 'user',
			'to_fieldname'   => '_bbp_vbulletin3_user_msn'
		);

		// User Skype (Stored in usermeta)
		$this->field_map[] = array(
			'from_tablename' => 'user',
			'from_fieldname' => 'skype',
			'to_type'        => 'user',
			'to_fieldname'   => '_bbp_vbulletin3_user_skype'
		);
	}