3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { static $test; } class B extends A { static $test; } A::$test = 'A'; B::$test = 'B'; var_dump(A::$test, B::$test);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(1) "A" string(1) "B"
preferences:
105.66 ms | 402 KiB | 90 Q