3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ThingDoer { protected $things; public function __construct(string $string = NULL, int $int = null, Throwable $throwable = NULL) { $this->things[] = $string; $this->things[] = intval($int); $this->things[] = $throwable; } public function do_thing() { print_r($this->things); } } $thing = new ThingDoer(); $thing->do_thing();
Output for 7.0.0 - 7.0.20, 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
Array ( [0] => [1] => 0 [2] => )

preferences:
155.6 ms | 403 KiB | 169 Q