From cb7a4c28e5e9d3abb3642da161b5650317caba6d Mon Sep 17 00:00:00 2001
From: "Timothy J. Warren" <tim@timshomepage.net>
Date: Mon, 8 Feb 2021 17:03:04 -0500
Subject: [PATCH] Handle null values better in title uniqueness check

---
 src/AnimeClient/Kitsu.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/AnimeClient/Kitsu.php b/src/AnimeClient/Kitsu.php
index f4162dc2..426cf1ff 100644
--- a/src/AnimeClient/Kitsu.php
+++ b/src/AnimeClient/Kitsu.php
@@ -412,11 +412,11 @@ final class Kitsu {
 	/**
 	 * Determine if an alternate title is unique enough to list
 	 *
-	 * @param string $title
+	 * @param string|null $title
 	 * @param array $existingTitles
 	 * @return bool
 	 */
-	private static function titleIsUnique(string $title = '', array $existingTitles = []): bool
+	private static function titleIsUnique(?string $title = '', array $existingTitles = []): bool
 	{
 		if (empty($title))
 		{