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yii2/framework/UPGRADE.md

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Upgrading Instructions for Yii Framework v2

!!!IMPORTANT!!!

The following upgrading instructions are cumulative. That is, if you want to upgrade from version A to version C and there is version B between A and C, you need to following the instructions for both A and B.

Upgrade from Yii 2.0 Beta

  • If you used clearAll() or clearAllAssignments() of yii\rbac\DbManager, you should replace them with removeAll() and removeAllAssignments() respectively.

  • If you created RBAC rule classes, you should modify their execute() method by adding $user as the first parameter: execute($user, $item, $params). The $user parameter represents the ID of the user currently being access checked. Previously, this is passed via $params['user'].

  • If you override yii\grid\DataColumn::getDataCellValue() with visibility protected you have to change visibility to public as visibility of the base method has changed.

  • If you have classes implementing yii\web\IdentityInterface (very common), you should modify the signature of findIdentityByAccessToken() as public static function findIdentityByAccessToken($token, $type = null). The new $type parameter will contain the type information about the access token. For example, if you use yii\filters\auth\HttpBearerAuth authentication method, the value of this parameter will be yii\filters\auth\HttpBearerAuth. This allows you to differentiate access tokens taken by different authentication methods.

  • If you are sharing the same cache across different applications, you should configure the keyPrefix property of the cache component to use some unique string. Previously, this property was automatically assigned with a unique string.

  • If you are using dropDownList(), listBox(), activeDropDownList(), or activeListBox() of yii\helpers\Html, and your list options use multiple blank spaces to format and align option label texts, you need to specify the option encodeSpaces to be true.

  • If you are using yii\grid\GridView and have configured a data column to use a PHP callable to return cell values (via yii\grid\DataColumn::value), you may need to adjust the signature of the callable to be function ($model, $key, $index, $widget). The $key parameter was newly added in this release.

  • yii\console\controllers\AssetController is now using hashes instead of timestamps. Replace all {ts} with {hash}.

  • The database table of the yii\log\DbTarget now needs a prefix column to store context information. You can add it with ALTER TABLE log ADD COLUMN prefix TEXT AFTER log_time;.

  • The fileinfo PHP extension is now required by Yii. If you use yii\helpers\FileHelper::getMimeType(), make sure you have enabled this extension. This extension is builtin in php above 5.3.

  • Please update your main layout file by adding this line in the <head> section: <?= Html::csrfMetaTags() ?>. This change is needed because yii\web\View no longer automatically generates CSRF meta tags due to issue #3358.

  • If your model code is using the file validation rule, you should rename its types option to extensions.