Source Reference:

• Component: bbPress :: bbp-reply

  File: /bbp-includes/bbp-reply-template.php :: Trac Source Line: 1046

  		// Check for anonymous user
  		if ( !bbp_is_reply_anonymous( $reply_id ) ) {
  			$author_url = bbp_get_user_profile_url( bbp_get_reply_author_id( $reply_id ) );
  		} else {
  			if ( !$author_url = get_post_meta( $reply_id, '_bbp_anonymous_website', true ) ) {
  				$author_url = '';
  			}
  		}
  
  		return apply_filters( 'bbp_get_reply_author_url', $author_url, $reply_id );
  	}
  
  /**
   * Output the reply author email address
   *
   * @since bbPress (r3445)
   *
   * @param int $reply_id Optional. Reply id
   * @uses bbp_get_reply_author_email() To get the reply author email
   */