Additional usort callback replacements with spaceship operator

Author: lbajsarowicz

app/code/Magento/Catalog/Model/Product/Type/AbstractType.php

@@ -291,13 +291,7 @@ public function attributesCompare($attributeOne, $attributeTwo)
         $sortOne = $attributeOne->getGroupSortPath() * 1000 + $attributeOne->getSortPath() * 0.0001;
         $sortTwo = $attributeTwo->getGroupSortPath() * 1000 + $attributeTwo->getSortPath() * 0.0001;
 
-        if ($sortOne > $sortTwo) {
-            return 1;
-        } elseif ($sortOne < $sortTwo) {
-            return -1;
-        }
-
-        return 0;
+        return $sortOne <=> $sortTwo;
     }
 
     /**

app/code/Magento/Eav/Model/Entity/AbstractEntity.php

@@ -602,13 +602,7 @@ public function attributesCompare($firstAttribute, $secondAttribute)
         $firstSort = $firstAttribute->getSortWeight((int) $this->_sortingSetId);
         $secondSort = $secondAttribute->getSortWeight((int) $this->_sortingSetId);
 
-        if ($firstSort > $secondSort) {
-            return 1;
-        } elseif ($firstSort < $secondSort) {
-            return -1;
-        }
-
-        return 0;
+        return $firstSort <=> $secondSort;
     }
 
     /**

app/code/Magento/Sales/Model/Config/Ordered.php

@@ -167,13 +167,8 @@ function ($a, $b) {
                     if (!isset($a['sort_order']) || !isset($b['sort_order'])) {
                         return 0;
                     }
-                    if ($a['sort_order'] > $b['sort_order']) {
-                        return 1;
-                    } elseif ($a['sort_order'] < $b['sort_order']) {
-                        return -1;
-                    } else {
-                        return 0;
-                    }
+
+                    return $a['sort_order'] <=> $b['sort_order'];
                 }
             );
         }