Is it possible to have static type hints in PHP 5 without PHP 7 or HHVM? Yes - with the Augmented Types extension from Box!
PHP 7 is well on its way, and some of the changes are upsetting a wide range of people. Do you endorse PHP 7's direction, or are you one to condemn it?
Thien Tran Duy explains how we can get started with PHP Extension development through Zephir, the new language from the Phalcon team
Introduction into Hack, an optionally statically typed upgrade to PHP from Facebook, straight out of the HHVM project.