fix if no subjects

biblioverse · Oct 13, 2023 · 400e179 · 400e179
1 parent e1097e8
commit 400e179
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/Service/BookSuggestions.php b/src/Service/BookSuggestions.php
@@ -53,8 +53,10 @@ public function getCategorySuggestions(Book $book): array
                 return $suggestions;
             }
             foreach ($results['docs'] as $result) {
-                foreach ($result['subject'] as $category) {
-                    $suggestions['tags'][$category] = $category;
+                if(is_array($result['subject'])){
+                    foreach ($result['subject'] as $category) {
+                        $suggestions['tags'][$category] = $category;
+                    }
                 }
             }