- Around-plugins SHOULD only be used when behavior of an original method is supposed to be substituted in certain scenarios.
- Plugins SHOULD NOT be used within own module.
- Plugins SHOULD NOT be added to data objects. ( why? )
- Plugins MUST be stateless.
- Plugins SHOULD NOT change the state of an intercepted object (Intercepted object is $subject).
plugins SHOULD BE used for modifying the input or output of a function.