diff --git a/library/Exceptions/NestedValidationException.php b/library/Exceptions/NestedValidationException.php
index bafda01a..fed4f724 100644
--- a/library/Exceptions/NestedValidationException.php
+++ b/library/Exceptions/NestedValidationException.php
@@ -232,9 +232,15 @@ class NestedValidationException extends ValidationException implements IteratorA
     {
         while (count($ids) > 0) {
             $id = array_shift($ids);
-            if (isset($templates[$id]) && is_array($templates[$id])) {
-                $templates = $templates[$id];
+            if (!isset($templates[$id])) {
+                continue;
             }
+
+            if (!is_array($templates[$id])) {
+                continue;
+            }
+
+            $templates = $templates[$id];
         }
 
         return $templates;
diff --git a/library/Exceptions/SizeException.php b/library/Exceptions/SizeException.php
index 413cbe95..9ea51945 100644
--- a/library/Exceptions/SizeException.php
+++ b/library/Exceptions/SizeException.php
@@ -47,7 +47,9 @@ class SizeException extends NestedValidationException
     {
         if (!$this->getParam('minValue')) {
             return self::GREATER;
-        } elseif (!$this->getParam('maxValue')) {
+        }
+
+        if (!$this->getParam('maxValue')) {
             return self::LOWER;
         }
 
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 3505b15b..03cdb143 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -45,6 +45,7 @@
     </rule>
     <rule ref="SlevomatCodingStandard.ControlStructures.AssignmentInCondition" />
     <rule ref="SlevomatCodingStandard.ControlStructures.DisallowContinueWithoutIntegerOperandInSwitch" />
+    <rule ref="SlevomatCodingStandard.ControlStructures.EarlyExit" />
     <rule ref="SlevomatCodingStandard.ControlStructures.NewWithParentheses" />
     <rule ref="SlevomatCodingStandard.ControlStructures.RequireNullCoalesceOperator" />
     <rule ref="SlevomatCodingStandard.ControlStructures.RequireShortTernaryOperator" />