Removed unnecessary parentheses

framework/captcha/CaptchaAction.php

@@ -332,8 +332,8 @@ class CaptchaAction extends Action
         $fontMetrics = $image->queryFontMetrics($draw, $code);
 
         $length = strlen($code);
-        $w = (int) ($fontMetrics['textWidth']) - 8 + $this->offset * ($length - 1);
-        $h = (int) ($fontMetrics['textHeight']) - 8;
+        $w = (int) $fontMetrics['textWidth'] - 8 + $this->offset * ($length - 1);
+        $h = (int) $fontMetrics['textHeight'] - 8;
         $scale = min(($this->width - $this->padding * 2) / $w, ($this->height - $this->padding * 2) / $h);
         $x = 10;
         $y = round($this->height * 27 / 40);
@@ -344,7 +344,7 @@ class CaptchaAction extends Action
             $draw->setFillColor($foreColor);
             $image->annotateImage($draw, $x, $y, rand(-10, 10), $code[$i]);
             $fontMetrics = $image->queryFontMetrics($draw, $code[$i]);
-            $x += (int) ($fontMetrics['textWidth']) + $this->offset;
+            $x += (int) $fontMetrics['textWidth'] + $this->offset;
         }
 
         $image->setImageFormat('png');

framework/db/BaseActiveRecord.php

@@ -1466,7 +1466,7 @@ abstract class BaseActiveRecord extends Model implements ActiveRecordInterface
     {
         $labels = $this->attributeLabels();
         if (isset($labels[$attribute])) {
-            return ($labels[$attribute]);
+            return $labels[$attribute];
         } elseif (strpos($attribute, '.')) {
             $attributeParts = explode('.', $attribute);
             $neededAttribute = array_pop($attributeParts);
@@ -1506,7 +1506,7 @@ abstract class BaseActiveRecord extends Model implements ActiveRecordInterface
     {
         $hints = $this->attributeHints();
         if (isset($hints[$attribute])) {
-            return ($hints[$attribute]);
+            return $hints[$attribute];
         } elseif (strpos($attribute, '.')) {
             $attributeParts = explode('.', $attribute);
             $neededAttribute = array_pop($attributeParts);

framework/grid/DataColumn.php

@@ -139,7 +139,7 @@ class DataColumn extends Column
 
         if ($this->attribute !== null && $this->enableSorting &&
             ($sort = $provider->getSort()) !== false && $sort->hasAttribute($this->attribute)) {
-            return $sort->link($this->attribute, array_merge($this->sortLinkOptions, ['label' => ($this->encodeLabel ? Html::encode($label) : $label)]));
+            return $sort->link($this->attribute, array_merge($this->sortLinkOptions, ['label' => $this->encodeLabel ? Html::encode($label) : $label]));
         } else {
             return $this->encodeLabel ? Html::encode($label) : $label;
         }

framework/helpers/BaseInflector.php

@@ -522,7 +522,7 @@ class BaseInflector
      */
     public static function ordinalize($number)
     {
-        if (in_array(($number % 100), range(11, 13))) {
+        if (in_array($number % 100, range(11, 13))) {
             return $number . 'th';
         }
         switch ($number % 10) {

framework/mail/BaseMailer.php

@@ -320,7 +320,7 @@ abstract class BaseMailer extends Component implements MailerInterface, ViewCont
     protected function saveMessage($message)
     {
         $path = Yii::getAlias($this->fileTransportPath);
-        if (!is_dir(($path))) {
+        if (!is_dir($path)) {
             mkdir($path, 0777, true);
         }
         if ($this->fileTransportCallback !== null) {

framework/validators/IpValidator.php

@@ -457,7 +457,7 @@ class IpValidator extends Validator
      */
     private function parseNegatedRange ($string) {
         $isNegated = strpos($string, static::NEGATION_CHAR) === 0;
-        return [$isNegated, ($isNegated ? substr($string, strlen(static::NEGATION_CHAR)) : $string)];
+        return [$isNegated, $isNegated ? substr($string, strlen(static::NEGATION_CHAR)) : $string];
     }
 
     /**