add tipagem no retorno de função

app/Core/DataBase.php

@@ -61,7 +61,7 @@ class DataBase
         return $stmt;
     }
 
-    function delete($query, $data)
+    function delete($query, $data): int
     {
 
         $stmt = Connect::getInstance()->prepare($query);
@@ -70,7 +70,7 @@ class DataBase
         return ($stmt->rowCount() ? 1 : 0);
     }
 
-    function update($query, $data)
+    function update($query, $data): int
     {
 
         $stmt = Connect::getInstance()->prepare($query);