Dynamic/variable model | variable child objects

[eluser]WanWizard[/eluser]
What is the error you're getting?

This works without problems here:

Code:

// load the rbac library
$test = 'load';
$this->$test->library('Rbac');

Even this works:

Code:

// load the rbac library
$test1 = 'load';
$test2 = 'library';
$this->$test1->$test2('Rbac');