3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { static private $var = "Hello"; public function __construct() { $a = "var"; echo($this::$a); } } new A();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Access to undeclared static property A::$a in /in/pb9aY:7 Stack trace: #0 /in/pb9aY(10): A->__construct() #1 {main} thrown in /in/pb9aY on line 7
Process exited with code 255.
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
Fatal error: Uncaught Error: Access to undeclared static property: A::$a in /in/pb9aY:7 Stack trace: #0 /in/pb9aY(10): A->__construct() #1 {main} thrown in /in/pb9aY on line 7
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Access to undeclared static property: A::$a in /in/pb9aY on line 7
Process exited with code 255.

preferences:
172.9 ms | 402 KiB | 223 Q