Update UPGRADE.md

framework/UPGRADE.md

@@ -77,50 +77,50 @@ Upgrade from Yii 2.0 Beta
 * `\yii\rbac\PhpManager` now stores data in three separate files instead of one. In order to convert old file to
 new ones save the following code as `convert.php` that should be placed in the same directory your `rbac.php` is in: 
 
-```php
-<?php
-$oldFile = 'rbac.php';
-$itemsFile = 'items.php';
-$assignmentsFile = 'assignments.php';
-$rulesFile = 'rules.php';
-
-$oldData = include $oldFile;
-
-function saveToFile($data, $fileName) {
-    $out = var_export($data, true);
-    $out = "<?php\nreturn " . $out . ";";
-    $out = str_replace(['array (', ')'], ['[', ']'], $out);
-    file_put_contents($fileName, $out);
-}
-
-$items = [];
-$assignments = [];
-if (isset($oldData['items'])) {
-    foreach ($oldData['items'] as $name => $data) {
-        if (isset($data['assignments'])) {
-            foreach ($data['assignments'] as $userId => $assignmentData) {
-                $assignments[$userId] = $assignmentData['roleName'];
-            }
-            unset($data['assignments']);
-        }
-        $items[$name] = $data;
-    }
-}
-
-$rules = [];
-if (isset($oldData['rules'])) {
-    $rules = $oldData['rules'];
-}
-
-saveToFile($items, $itemsFile);
-saveToFile($assignments, $assignmentsFile);
-saveToFile($rules, $rulesFile);
-
-echo "Done!\n";
-```
-
-Run it once, delete `rbac.php`. If you've configured `authFile` property, remove the line from config and instead
-configure `itemFile`, `assignmentFile` and `ruleFile`.
+  ```php
+  <?php
+  $oldFile = 'rbac.php';
+  $itemsFile = 'items.php';
+  $assignmentsFile = 'assignments.php';
+  $rulesFile = 'rules.php';
+  
+  $oldData = include $oldFile;
+  
+  function saveToFile($data, $fileName) {
+      $out = var_export($data, true);
+      $out = "<?php\nreturn " . $out . ";";
+      $out = str_replace(['array (', ')'], ['[', ']'], $out);
+      file_put_contents($fileName, $out);
+  }
+  
+  $items = [];
+  $assignments = [];
+  if (isset($oldData['items'])) {
+      foreach ($oldData['items'] as $name => $data) {
+          if (isset($data['assignments'])) {
+              foreach ($data['assignments'] as $userId => $assignmentData) {
+                  $assignments[$userId] = $assignmentData['roleName'];
+              }
+              unset($data['assignments']);
+          }
+          $items[$name] = $data;
+      }
+  }
+  
+  $rules = [];
+  if (isset($oldData['rules'])) {
+      $rules = $oldData['rules'];
+  }
+  
+  saveToFile($items, $itemsFile);
+  saveToFile($assignments, $assignmentsFile);
+  saveToFile($rules, $rulesFile);
+  
+  echo "Done!\n";
+  ```
+
+  Run it once, delete `rbac.php`. If you've configured `authFile` property, remove the line from config and instead
+  configure `itemFile`, `assignmentFile` and `ruleFile`.
 
 * Static helper `yii\helpers\Security` has been converted into an application component. You should change all usage of
   its methods to a new syntax, for example: instead of `yii\helpers\Security::hashData()` use `Yii::$app->getSecurity()->hashData()`.