[diggan]

I'm not sure that's necessary, it's not a PHP specific post. The author is just using PHP to demonstrate his point. Most, if not all object oriented languages should be able to replicate this functionality.

[lfowles]

I had just read the C++ Hints post from last Friday ("Use nullptr instead of NULL from now on"[0]) and expecting that the link to go there.

[0]: http://cpphints.com/hints/44

[jcyw]

I was expecting Java8 Optional...

[iamrohitbanga]

Or Ruby 2.3's lonely operator (&.) or swift's optional chaining (?.)