The #PHP development team announces the immediate availability of PHP 7.1.0. This release is the first point release in the 7.x series.
PHP 7.1.0 comes with numerous improvements and new features such as
  * Nullable types
  * Void return type
  * Iterable pseudo-type
  * Class constant visiblity modifiers
  * Square bracket syntax for list() and the ability to specify keys in list()
  * Catching multiple exceptions types