> On Jan 4, 2018, at 13:09, Andreas Hennings <andr...@dqxtech.net> wrote:
> 
> A system where all variables are type-locked could in fact be faster
> than a system with dynamically typed variables.
> Depends on the implementation, of course. I imagine it would be a lot
> of work to get there.

I think you, and many others, commenting here, should start by looking at the 
engine implementation. Any successful RFC needs to have a strong implementation 
behind it, or at the very least a very detailed description of how the 
implementation would mesh with the existing engine code.

The reason we don’t have typed properties/variables is that it would require 
adding type checks on almost every access to the underlying zval. That is a 
huge perf hit compared to only doing it on method/function egress points as we 
do now.

-Rasmus
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