3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { /** * @var int */ private $bar; public function __construct(int $bar) { $this->bar = $bar; } public function getBar() { return $this->bar; } public function baz(int $boz) { return $boz . ':' . $this->getBar(); } public function __invoke(int $boz) { echo $this->baz($boz); echo "fooobar"; } } $foo2 = new Foo(1); $foo2(2);
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 - 8.3.25, 8.4.1 - 8.4.12
2:1fooobar

preferences:
142.97 ms | 407 KiB | 5 Q