Remove use ($this). Related to 9e1b498fb5.

framework/yii/base/ErrorHandler.php

@@ -175,7 +175,7 @@ class ErrorHandler extends Component
 			$html = rtrim($html, '\\');
 		} elseif (strpos($code, '()') !== false) {
 			// method/function call
-			$html = preg_replace_callback('/^(.*)\(\)$/', function ($matches) use ($this) {
+			$html = preg_replace_callback('/^(.*)\(\)$/', function ($matches) {
 				return '<a href="http://yiiframework.com/doc/api/2.0/' . $this->htmlEncode($matches[1]) . '" target="_blank">' .
 					$this->htmlEncode($matches[1]) . '</a>()';
 			}, $code);

framework/yii/db/Connection.php

@@ -509,7 +509,7 @@ class Connection extends Component
 	public function quoteSql($sql)
 	{
 		return preg_replace_callback('/(\\{\\{(%?[\w\-\. ]+%?)\\}\\}|\\[\\[([\w\-\. ]+)\\]\\])/',
-			function ($matches) use ($this) {
+			function ($matches) {
 				if (isset($matches[3])) {
 					return $this->quoteColumnName($matches[3]);
 				} else {

framework/yii/debug/Module.php

@@ -57,7 +57,7 @@ class Module extends \yii\base\Module
 		$this->dataPath = Yii::getAlias($this->dataPath);
 		$this->logTarget = Yii::$app->getLog()->targets['debug'] = new LogTarget($this);
 		// do not initialize view component before application is ready (needed when debug in preload)
-		Yii::$app->on(Application::EVENT_BEFORE_ACTION, function() use ($this) {
+		Yii::$app->on(Application::EVENT_BEFORE_ACTION, function() {
 			Yii::$app->getView()->on(View::EVENT_END_BODY, array($this, 'renderToolbar'));
 		});
 

framework/yii/widgets/BaseListView.php

@@ -92,7 +92,7 @@ abstract class BaseListView extends Widget
 	public function run()
 	{
 		if ($this->dataProvider->getCount() > 0 || $this->empty === false) {
-			$content = preg_replace_callback("/{\\w+}/", function ($matches) use ($this) {
+			$content = preg_replace_callback("/{\\w+}/", function ($matches) {
 				$content = $this->renderSection($matches[0]);
 				return $content === false ? $matches[0] : $content;
 			}, $this->layout);