where ~ is null, but setting these values to null, throws an error, as the actual TransportFactory uses array_key_exists() which doesn't care if the value is null or not and in case sets e.g. the FactoryService to null which isn't supported
This change makes use of isset() and the Null Coalescing Operator which does also look up if the value is null
The symfony config reference states as default
where ~ is null, but setting these values to null, throws an error, as the actual TransportFactory uses array_key_exists() which doesn't care if the value is null or not and in case sets e.g. the FactoryService to null which isn't supported
This change makes use of isset() and the Null Coalescing Operator which does also look up if the value is null