$_listeners : array
List of all loaded listeners using "_attachListeners()" method.
Provides methods for attach and detach listener objects of concrete plugins.
_attachListeners(string $plugin, string $path)
Loads and registers plugin's namespace and loads its event listeners classes.
This is used to allow plugins being installed to respond to events before
they are integrated to the system. Events such as
Name of the plugin for which attach listeners
Path to plugin's root directory (which contains "src")
On illegal usage of this method