Fix and improve PHPDoc type hints in FileBackend and FileRepo

[lhc/web/wiklou.git] / includes / filerepo / file / ForeignAPIFile.php

diff --git a/includes/filerepo/file/ForeignAPIFile.php b/includes/filerepo/file/ForeignAPIFile.php
index 8dcb289..be88b49 100644 (file)
--- a/includes/filerepo/file/ForeignAPIFile.php
+++ b/includes/filerepo/file/ForeignAPIFile.php
@@ -192,8 +192,8 @@ class ForeignAPIFile extends File {
        }
 
        /**
-        * @param array $metadata
-        * @return array
+        * @param mixed $metadata
+        * @return mixed
         */
        public static function parseMetadata( $metadata ) {
                if ( !is_array( $metadata ) ) {
@@ -254,7 +254,7 @@ class ForeignAPIFile extends File {
 
        /**
         * @param int $audience
-        * @param User $user
+        * @param User|null $user
         * @return null|string
         */
        public function getDescription( $audience = self::FOR_PUBLIC, User $user = null ) {
@@ -333,15 +333,17 @@ class ForeignAPIFile extends File {
        }
 
        /**
-        * @return array
+        * @return string[]
         */
        function getThumbnails() {
                $dir = $this->getThumbPath( $this->getName() );
                $iter = $this->repo->getBackend()->getFileList( [ 'dir' => $dir ] );
 
                $files = [];
-               foreach ( $iter as $file ) {
-                       $files[] = $file;
+               if ( $iter ) {
+                       foreach ( $iter as $file ) {
+                               $files[] = $file;
+                       }
                }
 
                return $files;