bbp_get_reply_author_url( int $reply_id )

	function bbp_get_reply_author_url( $reply_id = 0 ) {
		$reply_id = bbp_get_reply_id( $reply_id );

		// Check for anonymous user or non-existant user
		if ( !bbp_is_reply_anonymous( $reply_id ) && bbp_user_has_profile( bbp_get_reply_author_id( $reply_id ) ) ) {
			$author_url = bbp_get_user_profile_url( bbp_get_reply_author_id( $reply_id ) );
		} else {
			$author_url = get_post_meta( $reply_id, '_bbp_anonymous_website', true );
			if ( empty( $author_url ) ) {
				$author_url = '';
			}
		}

		return apply_filters( 'bbp_get_reply_author_url', $author_url, $reply_id );
	}