MAGETWO-63014: Configurable shows lowest price after product was assigned to another website

Author: Viktor Paladiychuk

app/code/Magento/Catalog/Model/ResourceModel/Product/LinkedProductSelectBuilderByBasePrice.php

@@ -101,12 +101,12 @@ public function build($productId)
         if (!$this->catalogHelper->isPriceGlobal()) {
             $priceSelectStore = clone $priceSelect;
             $priceSelectStore->where('t.store_id = ?', $this->storeManager->getStore()->getId());
-            $select[] = $priceSelectStore;
+            $selects[] = $priceSelectStore;
         }
 
         $priceSelect->where('t.store_id = ?', Store::DEFAULT_STORE_ID);
-        $select[] = $priceSelect;
+        $selects[] = $priceSelect;
 
-        return $select;
+        return $selects;
     }
 }

app/code/Magento/Catalog/Model/ResourceModel/Product/LinkedProductSelectBuilderBySpecialPrice.php

@@ -145,12 +145,12 @@ public function build($productId)
         if (!$this->catalogHelper->isPriceGlobal()) {
             $priceSelectStore = clone $specialPrice;
             $priceSelectStore->where('t.store_id = ?', $this->storeManager->getStore()->getId());
-            $select[] = $priceSelectStore;
+            $selects[] = $priceSelectStore;
         }
 
         $specialPrice->where('t.store_id = ?', Store::DEFAULT_STORE_ID);
-        $select[] = $specialPrice;
+        $selects[] = $specialPrice;
 
-        return $select;
+        return $selects;
     }
 }

app/code/Magento/Catalog/Model/ResourceModel/Product/LinkedProductSelectBuilderByTierPrice.php

@@ -103,12 +103,12 @@ public function build($productId)
         if (!$this->catalogHelper->isPriceGlobal()) {
             $priceSelectStore = clone $priceSelect;
             $priceSelectStore->where('t.website_id = ?', $this->storeManager->getStore()->getWebsiteId());
-            $select[] = $priceSelectStore;
+            $selects[] = $priceSelectStore;
         }
 
         $priceSelect->where('t.website_id = ?', self::DEFAULT_WEBSITE_ID);
-        $select[] = $priceSelect;
+        $selects[] = $priceSelect;
 
-        return $select;
+        return $selects;
     }
 }

app/code/Magento/Catalog/Model/ResourceModel/Product/LinkedProductSelectBuilderComposite.php

@@ -26,11 +26,11 @@ public function __construct($linkedProductSelectBuilder)
      */
     public function build($productId)
     {
-        $select = [];
+        $selects = [];
         foreach ($this->linkedProductSelectBuilder as $productSelectBuilder) {
-            $select = array_merge($select, $productSelectBuilder->build($productId));
+            $selects = array_merge($selects, $productSelectBuilder->build($productId));
         }
 
-        return $select;
+        return $selects;
     }
 }