3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class C { private $s; public function __construct($s) { $this->s = $s; } protected function getS() { return $this->s; } } class C1 extends C { public function __get($name) { return 'wanted'.$name; } public function __construct($s1) { parent::__construct($s1); } function doStuff() { echo $this->getS(); echo $this->s; } } $c1 = new C1('foo'); $c1->doStuff();
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
foowanteds

preferences:
242.66 ms | 404 KiB | 330 Q