3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = function () { return $this->n; }; class MyClass { private $n = 42; } $myC = new MyClass; $f->call($myC);
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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 5.4.9 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined method Closure::call() in /in/jo43h on line 9
Process exited with code 255.
preferences:
201.89 ms | 402 KiB | 219 Q