MC-40555: Add PHP 7.4 declaration

- Updated laminas dependency and fixed PHP code errors

Author: svera

app/code/Magento/Catalog/Model/Category/Attribute/Backend/Sortby.php

@@ -104,8 +104,7 @@ public function beforeSave($object)
         }
         if ($attributeCode == 'default_sort_by') {
             $data = $object->getData($attributeCode);
-            $attributeValue = is_array($data) ? reset($data) :
-                (!empty($data)) ? $data : null;
+            $attributeValue = (is_array($data) ? reset($data) : (!empty($data))) ? $data : null;
             $object->setData($attributeCode, $attributeValue);
         }
         if (!$object->hasData($attributeCode)) {

composer.json

@@ -43,7 +43,7 @@
         "elasticsearch/elasticsearch": "~2.0||~5.1||~6.1||~7.6",
         "guzzlehttp/guzzle": "^6.3.3",
         "laminas/laminas-captcha": "^2.7.1",
-        "laminas/laminas-code": "~3.3.0",
+        "laminas/laminas-code": "~3.4.1",
         "laminas/laminas-config": "^2.6.0",
         "laminas/laminas-console": "^2.6.0",
         "laminas/laminas-crypt": "^2.6.0",

composer.lock

@@ -75,7 +75,7 @@ public function getCodeByFrontName($frontName)
                 $resolver = $this->_resolverFactory->create($areaInfo['frontNameResolver']);
                 $areaInfo['frontName'] = $resolver->getFrontName(true);
             }
-            if ($areaInfo['frontName'] === $frontName) {
+            if (isset($areaInfo['frontName']) && $areaInfo['frontName'] === $frontName) {
                 return $areaCode;
             }
         }