Commits on Aug 20, 2014
Commits on Jan 31, 2013
This allows to call compileInternal on arguments when compiling preconditions of the function as the preconditions should be compiled before compiling the expression.
There is no way to write in this private property so the isset check would always return false. Thus, this feature was flawed as it would not handle inheritance (checking for parent classes or interfaces for instance).
Commits on Jan 22, 2013