Issue #3337254 by harivansh, lucassc: Replace Updater.php intval() functions...

Issue #3337254 by harivansh, lucassc: Replace Updater.php intval() functions with their relevant type casting operators

core/lib/Drupal/Core/Updater/Updater.php

@@ -340,12 +340,12 @@ public function prepareInstallDirectory(&$filetransfer, $directory) {
           // Probably still not writable. Try to chmod and do it again.
           // @todo Make a new exception class so we can catch it differently.
           try {
-            $old_perms = substr(sprintf('%o', fileperms($parent_dir)), -4);
+            $old_perms = fileperms($parent_dir) & 0777;
             $filetransfer->chmod($parent_dir, 0755);
             $filetransfer->createDirectory($directory);
             $this->makeWorldReadable($filetransfer, $directory);
             // Put the permissions back.
-            $filetransfer->chmod($parent_dir, intval($old_perms, 8));
+            $filetransfer->chmod($parent_dir, $old_perms);
           }
           catch (FileTransferException $e) {
             $message = t($e->getMessage(), $e->arguments);
@@ -372,8 +372,8 @@ public function prepareInstallDirectory(&$filetransfer, $directory) {
   public function makeWorldReadable(&$filetransfer, $path, $recursive = TRUE) {
     if (!is_executable($path)) {
       // Set it to read + execute.
-      $new_perms = substr(sprintf('%o', fileperms($path)), -4, -1) . "5";
-      $filetransfer->chmod($path, intval($new_perms, 8), $recursive);
+      $new_perms = fileperms($path) & 0777 | 0005;
+      $filetransfer->chmod($path, $new_perms, $recursive);
     }
   }