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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
int(1) int(2) int(3)

preferences:
122.79 ms | 407 KiB | 5 Q