3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { const B = C; } class C {} const C = new C; const A = 'Z'; // unused echo A::class::B::class; echo (A::class)::B::class; echo A::B::class;
Output for 8.2.31 - 8.2.32, 8.3.5 - 8.3.33, 8.4.9 - 8.4.24, 8.5.6 - 8.5.9
CCC

preferences:
57.12 ms | 540 KiB | 4 Q