3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $v; public function __construct($v) { $this->v = $v; } } $a1 = new A(new DateTime()); $a2 = new A(new DateTime()); var_dump($a1 < $a2);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(true)
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
bool(false)

preferences:
155.45 ms | 402 KiB | 179 Q