diff --git a/framework/base/Widget.php b/framework/base/Widget.php
index 3e3f40a925..8281902b49 100644
--- a/framework/base/Widget.php
+++ b/framework/base/Widget.php
@@ -98,7 +98,7 @@ class Widget extends Component implements ViewContextInterface
             $out = $widget->run();
         } catch (\Exception $e) {
             // close the output buffer opened above if it has not been closed already
-            if(ob_get_level() > 0) {
+            if (ob_get_level() > 0) {
                 ob_end_clean();
             }
             throw $e;
diff --git a/framework/console/controllers/CacheController.php b/framework/console/controllers/CacheController.php
index 782a99c6fc..2fdb8f1dbd 100644
--- a/framework/console/controllers/CacheController.php
+++ b/framework/console/controllers/CacheController.php
@@ -150,7 +150,7 @@ class CacheController extends Controller
         if (!$connection instanceof \yii\db\Connection) {
             $this->stdout("\"$db\" component doesn't inherit \\yii\\db\\Connection.\n", Console::FG_RED);
             return self::EXIT_CODE_ERROR;
-        } else if (!$this->confirm("Flush cache schema for \"$db\" connection?")) {
+        } elseif (!$this->confirm("Flush cache schema for \"$db\" connection?")) {
             return static::EXIT_CODE_NORMAL;
         }
 
diff --git a/framework/helpers/BaseStringHelper.php b/framework/helpers/BaseStringHelper.php
index 674828af85..c9114404f5 100644
--- a/framework/helpers/BaseStringHelper.php
+++ b/framework/helpers/BaseStringHelper.php
@@ -161,7 +161,7 @@ class BaseStringHelper
             if ($token instanceof \HTMLPurifier_Token_Start) { //Tag begins
                 $openTokens++;
                 $truncated[] = $token;
-            } else if ($token instanceof \HTMLPurifier_Token_Text && $totalCount <= $count) { //Text
+            } elseif ($token instanceof \HTMLPurifier_Token_Text && $totalCount <= $count) { //Text
                 if (false === $encoding) {
                     $token->data = self::truncateWords($token->data, $count - $totalCount, '');
                     $currentCount = str_word_count($token->data);
@@ -174,10 +174,10 @@ class BaseStringHelper
                     $token->data = ' ' . $token->data;
                 }
                 $truncated[] = $token;
-            } else if ($token instanceof \HTMLPurifier_Token_End) { //Tag ends
+            } elseif ($token instanceof \HTMLPurifier_Token_End) { //Tag ends
                 $openTokens--;
                 $truncated[] = $token;
-            } else if ($token instanceof \HTMLPurifier_Token_Empty) { //Self contained tags, i.e. <img/> etc.
+            } elseif ($token instanceof \HTMLPurifier_Token_Empty) { //Self contained tags, i.e. <img/> etc.
                 $truncated[] = $token;
             }
             if (0 === $openTokens && $totalCount >= $count) {