3v4l.org

run code in 500+ 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 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
string(1) "A" string(1) "B"

preferences:
81.43 ms | 1143 KiB | 4 Q