diff --git a/apps/advanced/frontend/views/site/contact.php b/apps/advanced/frontend/views/site/contact.php
index 97580ca..4202508 100644
--- a/apps/advanced/frontend/views/site/contact.php
+++ b/apps/advanced/frontend/views/site/contact.php
@@ -25,10 +25,10 @@ $this->params['breadcrumbs'][] = $this->title;
 				<?= $form->field($model, 'email') ?>
 				<?= $form->field($model, 'subject') ?>
 				<?= $form->field($model, 'body')->textArea(['rows' => 6]) ?>
-				<?=$form->field($model, 'verifyCode')->widget(Captcha::className(), [
+				<?= $form->field($model, 'verifyCode')->widget(Captcha::className(), [
 					'options' => ['class' => 'form-control'],
 					'template' => '<div class="row"><div class="col-lg-3">{image}</div><div class="col-lg-6">{input}</div></div>',
-				]); ?>
+				]) ?>
 				<div class="form-group">
 					<?= Html::submitButton('Submit', ['class' => 'btn btn-primary']) ?>
 				</div>
diff --git a/apps/basic/views/site/contact.php b/apps/basic/views/site/contact.php
index 66711a5..cd6d9ce 100644
--- a/apps/basic/views/site/contact.php
+++ b/apps/basic/views/site/contact.php
@@ -33,10 +33,10 @@ $this->params['breadcrumbs'][] = $this->title;
 				<?= $form->field($model, 'email') ?>
 				<?= $form->field($model, 'subject') ?>
 				<?= $form->field($model, 'body')->textArea(['rows' => 6]) ?>
-				<?=$form->field($model, 'verifyCode')->widget(Captcha::className(), [
+				<?= $form->field($model, 'verifyCode')->widget(Captcha::className(), [
 					'options' => ['class' => 'form-control'],
 					'template' => '<div class="row"><div class="col-lg-3">{image}</div><div class="col-lg-6">{input}</div></div>',
-				]); ?>
+				]) ?>
 				<div class="form-group">
 					<?= Html::submitButton('Submit', ['class' => 'btn btn-primary']) ?>
 				</div>
diff --git a/apps/basic/views/site/login.php b/apps/basic/views/site/login.php
index 62b4398..14522af 100644
--- a/apps/basic/views/site/login.php
+++ b/apps/basic/views/site/login.php
@@ -28,9 +28,9 @@ $this->params['breadcrumbs'][] = $this->title;
 
 	<?= $form->field($model, 'password')->passwordInput() ?>
 
-	<?=$form->field($model, 'rememberMe', [
+	<?= $form->field($model, 'rememberMe', [
 		'template' => "<div class=\"col-lg-offset-1 col-lg-3\">{input}</div>\n<div class=\"col-lg-8\">{error}</div>",
-	])->checkbox(); ?>
+	])->checkbox() ?>
 
 	<div class="form-group">
 		<div class="col-lg-offset-1 col-lg-11">
diff --git a/docs/guide/view.md b/docs/guide/view.md
index 2fdd974..ee469e6 100644
--- a/docs/guide/view.md
+++ b/docs/guide/view.md
@@ -28,7 +28,7 @@ as the corresponding key.
 So the view for the action above should be in `views/site/index.php` and can be something like:
 
 ```php
-<p>Hello, <?=$username?>!</p>
+<p>Hello, <?= $username ?>!</p>
 ```
 
 Instead of just scalar values you can pass anything else such as arrays or objects.
diff --git a/framework/yii/views/errorHandler/exception.php b/framework/yii/views/errorHandler/exception.php
index beebb29..4b90de9 100644
--- a/framework/yii/views/errorHandler/exception.php
+++ b/framework/yii/views/errorHandler/exception.php
@@ -367,8 +367,8 @@ pre .diff .change{
 		<ul>
 			<?= $handler->renderCallStackItem($exception->getFile(), $exception->getLine(), null, null, 1) ?>
 			<?php for ($i = 0, $trace = $exception->getTrace(), $length = count($trace); $i < $length; ++$i): ?>
-				<?=$handler->renderCallStackItem(@$trace[$i]['file'] ?: null, @$trace[$i]['line'] ?: null,
-					@$trace[$i]['class'] ?: null, @$trace[$i]['function'] ?: null, $i + 2); ?>
+				<?= $handler->renderCallStackItem(@$trace[$i]['file'] ?: null, @$trace[$i]['line'] ?: null,
+					@$trace[$i]['class'] ?: null, @$trace[$i]['function'] ?: null, $i + 2) ?>
 			<?php endfor; ?>
 		</ul>
 	</div>