bbp_topic_author_link

/**
 * Output the author link of the topic
 *
 * @since bbPress (r2717)
 *
 * @param mixed|int $args If it is an integer, it is used as topic_id. Optional.
 * @uses bbp_get_topic_author_link() To get the topic author link
 */
function bbp_topic_author_link( $args = '' ) {
    echo bbp_get_topic_author_link( $args );
}
    /**
     * Return the author link of the topic
     *
     * @since bbPress (r2717)
     *
     * @param mixed|int $args If it is an integer, it is used as topic id.
     *                         Optional.
     * @uses bbp_get_topic_id() To get the topic id
     * @uses bbp_get_topic_author_display_name() To get the topic author
     * @uses bbp_is_topic_anonymous() To check if the topic is by an
     *                                 anonymous user
     * @uses bbp_get_topic_author_url() To get the topic author url
     * @uses bbp_get_topic_author_avatar() To get the topic author avatar
     * @uses bbp_get_topic_author_display_name() To get the topic author display
     *                                      name
     * @uses bbp_get_user_display_role() To get the topic author display role
     * @uses bbp_get_topic_author_id() To get the topic author id
     * @uses apply_filters() Calls 'bbp_get_topic_author_link' with the link
     *                        and args
     * @return string Author link of topic
     */
    function bbp_get_topic_author_link( $args = '' ) {

        // Parse arguments against default values
        $r = bbp_parse_args( $args, array(
            'post_id'    => 0,
            'link_title' => '',
            'type'       => 'both',
            'size'       => 80,
            'sep'        => ' ',
            'show_role'  => false
        ), 'get_topic_author_link' );

        // Used as topic_id
        if ( is_numeric( $args ) ) {
            $topic_id = bbp_get_topic_id( $args );
        } else {
            $topic_id = bbp_get_topic_id( $r['post_id'] );
        }

        // Topic ID is good
        if ( !empty( $topic_id ) ) {

            // Get some useful topic information
            $author_url = bbp_get_topic_author_url( $topic_id );
            $anonymous  = bbp_is_topic_anonymous( $topic_id );

            // Tweak link title if empty
            if ( empty( $r['link_title'] ) ) {
                $link_title = sprintf( empty( $anonymous ) ? __( 'View %s\'s profile', 'bbpress' ) : __( 'Visit %s\'s website', 'bbpress' ), bbp_get_topic_author_display_name( $topic_id ) );

            // Use what was passed if not
            } else {
                $link_title = $r['link_title'];
            }

            // Setup title and author_links array
            $link_title   = !empty( $link_title ) ? ' title="' . esc_attr( $link_title ) . '"' : '';
            $author_links = array();

            // Get avatar
            if ( 'avatar' === $r['type'] || 'both' === $r['type'] ) {
                $author_links['avatar'] = bbp_get_topic_author_avatar( $topic_id, $r['size'] );
            }

            // Get display name
            if ( 'name' === $r['type'] || 'both' === $r['type'] ) {
                $author_links['name'] = bbp_get_topic_author_display_name( $topic_id );
            }

            // Link class
            $link_class = ' class="bbp-author-' . esc_attr( $r['type'] ) . '"';

            // Add links if not anonymous
            if ( empty( $anonymous ) && bbp_user_has_profile( bbp_get_topic_author_id( $topic_id ) ) ) {

                // Assemble the links
                foreach ( $author_links as $link => $link_text ) {
                    $link_class = ' class="bbp-author-' . esc_attr( $link ) . '"';
                    $author_link[] = sprintf( '<a href="%1$s"%2$s%3$s>%4$s</a>', esc_url( $author_url ), $link_title, $link_class, $link_text );
                }

                if ( true === $r['show_role'] ) {
                    $author_link[] = bbp_get_topic_author_role( array( 'topic_id' => $topic_id ) );
                }

                $author_link = implode( $r['sep'], $author_link );

            // No links if anonymous
            } else {
                $author_link = implode( $r['sep'], $author_links );
            }

        } else {
            $author_link = '';
        }

        return apply_filters( 'bbp_get_topic_author_link', $author_link, $args );
    }