Bugfix for YouTube metadata cacheHEADmaster

1 files changed, 5 insertions, 1 deletions

diff --git a/providers/Youtube.php b/providers/Youtube.php
index 9989bdd..b84ef77 100644
--- a/providers/Youtube.php
+++ b/providers/Youtube.php
@@ -31,7 +31,11 @@ class Youtube extends Rss {
         if (file_exists($cacheFile)) {
             $cacheData = unserialize(file_get_contents($cacheFile));
         }
-        $oldIDs = array_keys($cacheData);
+        if ($cacheData) {
+            $oldIDs = array_keys($cacheData);
+        } else {
+            $oldIDs = [];
+        }
         $newIDs = array_diff($ids, $oldIDs);
         if ($newIDs) {
             $metadata = $this->_youtube->getVideosInfo($newIDs);