How does variable and function scope in PHP compare to Node.js?

When running api functional tests on a module which uses non-scalar array extension attribute type, I’ve got the error ReflectionException: Class “ModuleNameCustomerApiCustomAddressInterface[]” […]

there where some categories which lacked to display the filter possibilities on the frontend. I changed this in the dbase table: catalog_category_flat_store_2 […]

I have a shop that has big purchase peaks every now and then. Server can become unresponsive at those times with even […]