3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { private $x; private $y; private $z; public function __constructor() { $this->x = 100; $this->y = 20; $this->z = 30; } public function __get($k) { echo $this->x; return $this->$k; } } $t = new Test(); echo $t->x . PHP_EOL;
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

preferences:
261.38 ms | 404 KiB | 329 Q