3v4l.org

run code in 300+ 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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(false) bool(false)

preferences:
56.3 ms | 981 KiB | 4 Q