Is it possible to write strictly typed PHP code?

Question

For example, is it possible to write code like this:

int $x = 6;
str $y = \"hello world\";
bool $z = false;
MyObject $foo = new MyObject();

Answer 1

In PHP 7 are implemented "Scalar Type Declarations", e.g.:

public function getBalance(): int {
    return 555;
}

You need to declare, that you will use strict types:

More information: https://wiki.php.net/rfc/scalar_type_hints_v5