3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Person { private $string; public function __constructor(string $string) { $this->string = $string; } } function test_types(Person $person = null) { if ($person instanceof Person) { echo "TRUE"; } } test_types();
based on ePI2d
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0rc3