Removed unused variables

build/controllers/ClassmapController.php

@@ -52,7 +52,7 @@ class ClassmapController extends Controller
 		$files = FileHelper::findFiles($root, $options);
 		$map = [];
 		foreach ($files as $file) {
-			if (($pos = strpos($file, $root)) !== 0) {
+			if (strpos($file, $root) !== 0) {
 				die("Something wrong: $file\n");
 			}
 			$path = str_replace('\\', '/', substr($file, strlen($root)));

extensions/gii/generators/model/Generator.php

@@ -471,7 +471,7 @@ class Generator extends \yii\gii\Generator
 	 */
 	public function validateTableName()
 	{
-		if (($pos = strpos($this->tableName, '*')) !== false && substr($this->tableName, -1) !== '*') {
+		if (strpos($this->tableName, '*') !== false && substr($this->tableName, -1) !== '*') {
 			$this->addError('tableName', 'Asterisk is only allowed as the last character.');
 			return;
 		}

framework/BaseYii.php

@@ -356,7 +356,7 @@ class BaseYii
 			$config = array_merge(static::$objectConfig[$class], $config);
 		}
 
-		if (($n = func_num_args()) > 1) {
+		if (func_num_args() > 1) {
 			/** @var \ReflectionClass $reflection */
 			if (isset($reflections[$class])) {
 				$reflection = $reflections[$class];

framework/helpers/BaseHtml.php

@@ -1579,7 +1579,7 @@ class BaseHtml
 	{
 		if (isset($options['class'])) {
 			$classes = ' ' . $options['class'] . ' ';
-			if (($pos = strpos($classes, ' ' . $class . ' ')) === false) {
+			if (strpos($classes, ' ' . $class . ' ') === false) {
 				$options['class'] .= ' ' . $class;
 			}
 		} else {