Fix #19066 - Array offset error due to empty file versions array

Signed-off-by: Liam JACK <liamjack@users.noreply.github.com>
nextcloud · Apr 21, 2020 · d2dae7c · d2dae7c
1 parent 2cf8fab
commit d2dae7c
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/apps/files_versions/lib/Storage.php b/apps/files_versions/lib/Storage.php
@@ -649,6 +649,11 @@ protected static function getAutoExpireList($time, $versions) {
 		}
 
 		$firstVersion = reset($versions);
+
+		if ($firstVersion === false) {
+			return [$toDelete, $size];
+		}
+
 		$firstKey = key($versions);
 		$prevTimestamp = $firstVersion['version'];
 		$nextVersion = $firstVersion['version'] - $step;