3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} interface B {} trait C {} class D extends A implements B { use C; public function check() { var_dump($this instanceof A); // Class var_dump($this instanceof B); // Interface var_dump($this instanceof C); // Trait var_dump($this instanceof D); // Self } } (new D)->check(); ?>
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
bool(true) bool(true) bool(false) bool(true)
preferences:
162.23 ms | 407 KiB | 5 Q