From: Joshua Rüsweg <josh@bastelstu.be>
Date: Sun, 10 Jun 2018 12:30:21 +0000 (+0200)
Subject: Fix strict type for unserialize
X-Git-Tag: 5.2.0_Alpha_1~364^2~101^2~89
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=41abef8c30ea91a93b4903485e35f866842e4232;p=GitHub%2FWoltLab%2FWCF.git

Fix strict type for unserialize
See #2508
---

diff --git a/wcfsetup/install/files/lib/system/reaction/ReactionHandler.class.php b/wcfsetup/install/files/lib/system/reaction/ReactionHandler.class.php
index c569d7315f..903ce67ec5 100644
--- a/wcfsetup/install/files/lib/system/reaction/ReactionHandler.class.php
+++ b/wcfsetup/install/files/lib/system/reaction/ReactionHandler.class.php
@@ -339,7 +339,14 @@ class ReactionHandler extends SingletonFactory {
 			$likes = $likeObject->likes;
 			$dislikes = $likeObject->dislikes;
 			$cumulativeLikes = $likeObject->cumulativeLikes;
-			$cachedReactions = @unserialize($likeObject->cachedReactions);
+			
+			if ($likeObject->cachedReactions !== null) {
+				$cachedReactions = @unserialize($likeObject->cachedReactions);
+			}
+			else {
+				$cachedReactions = [];
+			}
+			
 			if (!is_array($cachedReactions)) {
 				$cachedReactions = [];
 			}