3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { public function __construct(int $a) {} } class B { public function __construct(int $a) {} } $a = new A(1); $b = new B(1); var_dump($b <= $a); var_dump($a <= $b);
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
bool(false) bool(false)

preferences:
64.71 ms | 1039 KiB | 4 Q