Source Reference:

• Component: bbPress :: bbp-reply

  File: /bbp-includes/bbp-reply-template.php :: Trac Source Line: 1700

  		$uri = esc_url(
  			add_query_arg(
  				array(
  					'action'   => 'split',
  					'reply_id' => $reply_id
  				),
  			bbp_get_topic_edit_url( $topic_id )
  		) );
  
  		return apply_filters( 'bbp_get_topic_split_link', $link_before . '<a href="' . $uri . '" title="' . esc_attr( $split_title ) . '">' . $split_text . '</a>' . $link_after, $args );
  	}
  
  /**
   * Output the row class of a reply
   *
   * @since bbPress (r2678)
   */
  function bbp_reply_class() {
  	echo bbp_get_reply_class();
  }