From 7e7b4cd65105c5dab3d5ea9f6dc4bce957d2a7e0 Mon Sep 17 00:00:00 2001
From: Ben Keith <ben@benlk.com>
Date: Fri, 9 Nov 2018 20:27:32 -0500
Subject: [PATCH] Error-free author bio output when a post has no author
 metadata.

Cherry-picks some stuff from https://github.com/INN/largo/pull/1568/
Part of the https://github.com/INN/largo/issues/1492 whack-a-mole
---
 inc/avatars.php                  | 14 ++++++++------
 inc/widgets/largo-author-bio.php |  8 ++++++--
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/inc/avatars.php b/inc/avatars.php
index 88769241e..78a9a44f4 100644
--- a/inc/avatars.php
+++ b/inc/avatars.php
@@ -40,13 +40,15 @@ function largo_has_gravatar( $email ) {
  */
 function largo_has_avatar( $email ) {
 	$user = get_user_by( 'email', $email );
-	$result = largo_get_user_avatar_id( $user->ID );
-	if ( ! empty ( $result ) ) {
-		return true;
-	} else {
-		if ( largo_has_gravatar( $email ) ) {
+	if ( ! empty( $user ) ) {
+		$result = largo_get_user_avatar_id( $user->ID );
+		if ( ! empty ( $result ) ) {
 			return true;
-		}	
+		} else {
+			if ( largo_has_gravatar( $email ) ) {
+				return true;
+			}
+		}
 	}
 	return false;
 }
diff --git a/inc/widgets/largo-author-bio.php b/inc/widgets/largo-author-bio.php
index 5cac8bb51..013bfc328 100644
--- a/inc/widgets/largo-author-bio.php
+++ b/inc/widgets/largo-author-bio.php
@@ -48,8 +48,12 @@ function widget( $args, $instance ) {
 
 			// make sure we have at least one bio before we show the widget
 			foreach ( $authors as $key => $author ) {
-				$bio = trim( $author->description );
-				if ( !is_author() && empty( $bio ) ) {
+				if ( is_object( $author ) && isset( $author->description ) ) {
+					$bio = trim( $author->description );
+				} else {
+					$bio = '';
+				}
+				if ( ! is_author() && empty( $bio ) ) {
 					unset( $authors[$key] );
 				} else {
 					$bios .= $bio;