3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { const C = 1; } class Bar extends Foo { const C = 2; } var_dump(Bar::C);
Output for 7.1.25 - 7.1.30, 7.2.0 - 7.2.33, 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(2)
preferences:
98.45 ms | 1421 KiB | 4 Q