MAGETWO-69539: PHP "soap" extension is not declared in composer.json but can be used by Magento modules

Author: Volodymyr Kublytskyi

composer.json

@@ -68,6 +68,7 @@
         "ext-openssl": "*",
         "ext-zip": "*",
         "ext-pdo_mysql": "*",
+        "ext-soap": "*",
         "sjparkinson/static-review": "~4.1",
         "ramsey/uuid": "3.6.1"
     },