diff --git a/build/controllers/PhpDocController.php b/build/controllers/PhpDocController.php
index 760cb05..c7a2fa7 100644
--- a/build/controllers/PhpDocController.php
+++ b/build/controllers/PhpDocController.php
@@ -278,11 +278,35 @@ class PhpDocController extends Controller
 								  . ' See [[get'.ucfirst($propName).'()]] and [[set'.ucfirst($propName).'()]] for details.';
 						}
 					} elseif (isset($prop['get'])) {
-						$note = ' This property is read-only.';
-//						$docline .= '-read';
+						// check if parent class has setter defined
+						$c = $className;
+						$parentSetter = false;
+						while($parent = get_parent_class($c)) {
+							if (method_exists($parent, 'set' . ucfirst($propName))) {
+								$parentSetter = true;
+								break;
+							}
+							$c = $parent;
+						}
+						if (!$parentSetter) {
+							$note = ' This property is read-only.';
+//							$docline .= '-read';
+						}
 					} elseif (isset($prop['set'])) {
-						$note = ' This property is write-only.';
-//						$docline .= '-write';
+						// check if parent class has getter defined
+						$c = $className;
+						$parentGetter = false;
+						while($parent = get_parent_class($c)) {
+							if (method_exists($parent, 'set' . ucfirst($propName))) {
+								$parentGetter = true;
+								break;
+							}
+							$c = $parent;
+						}
+						if (!$parentGetter) {
+							$note = ' This property is write-only.';
+//							$docline .= '-write';
+						}
 					} else {
 						continue;
 					}
diff --git a/framework/yii/base/Application.php b/framework/yii/base/Application.php
index 8826d5a..70eaca3 100644
--- a/framework/yii/base/Application.php
+++ b/framework/yii/base/Application.php
@@ -15,6 +15,7 @@ use yii\web\HttpException;
  * Application is the base class for all application classes.
  *
  * @property \yii\rbac\Manager $authManager The auth manager for this application. This property is read-only.
+ * @property string $basePath The root directory of the application.
  * @property \yii\caching\Cache $cache The cache application component. Null if the component is not enabled.
  * This property is read-only.
  * @property \yii\db\Connection $db The database connection. This property is read-only.
@@ -261,6 +262,7 @@ abstract class Application extends Module
 	 * Sets the root directory of the applicaition and the @app alias.
 	 * This method can only be invoked at the beginning of the constructor.
 	 * @param string $path the root directory of the application.
+	 * @property string the root directory of the application.
 	 * @throws InvalidParamException if the directory does not exist.
 	 */
 	public function setBasePath($path)
diff --git a/framework/yii/db/ActiveRecord.php b/framework/yii/db/ActiveRecord.php
index 830bf40..380eb03 100644
--- a/framework/yii/db/ActiveRecord.php
+++ b/framework/yii/db/ActiveRecord.php
@@ -29,6 +29,8 @@ use yii\helpers\Inflector;
  * @property mixed $oldPrimaryKey The old primary key value. An array (column name => column value) is
  * returned if the primary key is composite or `$asArray` is true. A string is returned otherwise (null will be
  * returned if the key value is null). This property is read-only.
+ * @property array $populatedRelations An array of relation data indexed by relation names. This property is
+ * read-only.
  * @property mixed $primaryKey The primary key value. An array (column name => column value) is returned if
  * the primary key is composite or `$asArray` is true. A string is returned otherwise (null will be returned if
  * the key value is null). This property is read-only.
diff --git a/framework/yii/mail/BaseMailer.php b/framework/yii/mail/BaseMailer.php
index 2b6918a..52f31ce 100644
--- a/framework/yii/mail/BaseMailer.php
+++ b/framework/yii/mail/BaseMailer.php
@@ -20,7 +20,8 @@ use yii\web\View;
  *
  * @see BaseMessage
  *
- * @property View|array $view view instance or its array configuration.
+ * @property View $view View instance. Note that the type of this property differs in getter and setter. See
+ * [[getView()]] and [[setView()]] for details.
  *
  * @author Paul Klimov <klimov.paul@gmail.com>
  * @since 2.0
diff --git a/framework/yii/mail/BaseMessage.php b/framework/yii/mail/BaseMessage.php
index 04b7200..01b671c 100644
--- a/framework/yii/mail/BaseMessage.php
+++ b/framework/yii/mail/BaseMessage.php
@@ -18,7 +18,7 @@ use Yii;
  *
  * @see BaseMailer
  *
- * @property BaseMailer $mailer mailer component instance. This property is read-only.
+ * @property MailerInterface $mailer The mailer component. This property is read-only.
  *
  * @author Paul Klimov <klimov.paul@gmail.com>
  * @since 2.0
diff --git a/framework/yii/web/Controller.php b/framework/yii/web/Controller.php
index 6927893..01794ed 100644
--- a/framework/yii/web/Controller.php
+++ b/framework/yii/web/Controller.php
@@ -14,6 +14,8 @@ use yii\helpers\Html;
 /**
  * Controller is the base class of web controllers.
  *
+ * @property string $canonicalUrl This property is read-only.
+ *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
  */
diff --git a/framework/yii/web/Request.php b/framework/yii/web/Request.php
index a6a92fa..6bede5e 100644
--- a/framework/yii/web/Request.php
+++ b/framework/yii/web/Request.php
@@ -31,6 +31,8 @@ use yii\helpers\Security;
  * @property string $csrfToken The random token for CSRF validation. This property is read-only.
  * @property string $csrfTokenFromHeader The CSRF token sent via [[CSRF_HEADER]] by browser. Null is returned
  * if no such header is sent. This property is read-only.
+ * @property array $delete The DELETE request parameter values. This property is read-only.
+ * @property array $get The GET request parameter values. This property is read-only.
  * @property string $hostInfo Schema and hostname part (with port number if needed) of the request URL (e.g.
  * `http://www.yiiframework.com`).
  * @property boolean $isAjax Whether this is an AJAX (XMLHttpRequest) request. This property is read-only.
@@ -47,11 +49,14 @@ use yii\helpers\Security;
  * read-only.
  * @property string $method Request method, such as GET, POST, HEAD, PUT, PATCH, DELETE. The value returned is
  * turned into upper case. This property is read-only.
+ * @property array $patch The PATCH request parameter values. This property is read-only.
  * @property string $pathInfo Part of the request URL that is after the entry script and before the question
  * mark. Note, the returned path info is already URL-decoded.
  * @property integer $port Port number for insecure requests.
+ * @property array $post The POST request parameter values. This property is read-only.
  * @property string $preferredLanguage The language that the application should use. Null is returned if both
  * [[getAcceptedLanguages()]] and `$languages` are empty. This property is read-only.
+ * @property array $put The PUT request parameter values. This property is read-only.
  * @property string $queryString Part of the request URL that is after the question mark. This property is
  * read-only.
  * @property string $rawBody The request body. This property is read-only.
@@ -304,12 +309,22 @@ class Request extends \yii\base\Request
 	}
 
 	/**
+	 * Returns the GET request parameter values.
+	 * @return array the GET request parameter values
+	 */
+	public function getGet()
+	{
+		return $_GET;
+	}
+
+	/**
 	 * Returns the named POST parameter value.
 	 * If the POST parameter does not exist, the second parameter to this method will be returned.
 	 * @param string $name the POST parameter name. If not specified, whole $_POST is returned.
 	 * @param mixed $defaultValue the default parameter value if the POST parameter does not exist.
+	 * @property array the POST request parameter values
 	 * @return mixed the POST parameter value
-	 * @see getParam
+	 * @see get
 	 */
 	public function getPost($name = null, $defaultValue = null)
 	{
@@ -323,6 +338,7 @@ class Request extends \yii\base\Request
 	 * Returns the named DELETE parameter value.
 	 * @param string $name the DELETE parameter name. If not specified, an array of DELETE parameters is returned.
 	 * @param mixed $defaultValue the default parameter value if the DELETE parameter does not exist.
+	 * @property array the DELETE request parameter values
 	 * @return mixed the DELETE parameter value
 	 */
 	public function getDelete($name = null, $defaultValue = null)
@@ -337,6 +353,7 @@ class Request extends \yii\base\Request
 	 * Returns the named PUT parameter value.
 	 * @param string $name the PUT parameter name. If not specified, an array of PUT parameters is returned.
 	 * @param mixed $defaultValue the default parameter value if the PUT parameter does not exist.
+	 * @property array the PUT request parameter values
 	 * @return mixed the PUT parameter value
 	 */
 	public function getPut($name = null, $defaultValue = null)
@@ -351,6 +368,7 @@ class Request extends \yii\base\Request
 	 * Returns the named PATCH parameter value.
 	 * @param string $name the PATCH parameter name. If not specified, an array of PATCH parameters is returned.
 	 * @param mixed $defaultValue the default parameter value if the PATCH parameter does not exist.
+	 * @property array the PATCH request parameter values
 	 * @return mixed the PATCH parameter value
 	 */
 	public function getPatch($name = null, $defaultValue = null)