3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { const FOO = 1; } class B extends A { const FOO = 2; } class C extends B { const FOO = 3; } var_dump(A::FOO); var_dump(B::FOO); var_dump(C::FOO);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
int(1) int(2) int(3)

preferences:
95.18 ms | 1348 KiB | 4 Q