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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(1) "A" string(1) "B"

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73.32 ms | 406 KiB | 5 Q