fixed static test issues in app/code/Magento/SalesRule/Controller/Adminhtml/Promo/Quote/NewConditionHtml.php

Author: glo80326

app/code/Magento/SalesRule/Controller/Adminhtml/Promo/Quote/NewConditionHtml.php

@@ -22,15 +22,15 @@ class NewConditionHtml extends Quote implements HttpPostActionInterface
      */
     public function execute()
     {
-        $id = $this->getRequest()->getParam('id');
         $formName = $this->getRequest()->getParam('form_namespace');
-        $typeArr = explode(
+        $id = $this->getRequest()->getParam('id');
+        $typeArray = explode(
             '|',
             str_replace('-', '/', $this->getRequest()->getParam('type', ''))
         );
-        $type = $typeArr[0];
+        $type = $typeArray[0];
 
-        if (class_exists($type) && !in_array(ConditionInterface::class, class_implements($type))) {
+        if ($type && class_exists($type) && !in_array(ConditionInterface::class, class_implements($type))) {
             $html = '';
             $this->getResponse()->setBody($html);
             return;
@@ -47,8 +47,8 @@ public function execute()
         )->setPrefix(
             'conditions'
         );
-        if (!empty($typeArr[1])) {
-            $model->setAttribute($typeArr[1]);
+        if (!empty($typeArray[1])) {
+            $model->setAttribute($typeArray[1]);
         }
 
         if ($model instanceof AbstractCondition) {