3v4l.org

run code in 300+ PHP versions simultaneously
<?php enum Foo: int { const BAR = 42; case F = Foo::BAR; private function foo() {} } var_dump(Foo::F);
Output for 8.1.0 - 8.1.13
enum(Foo::F)
Output for 8.0.1 - 8.0.26
Parse error: syntax error, unexpected identifier "Foo" in /in/9UWCo on line 3
Process exited with code 255.
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176.62 ms | 1395 KiB | 46 Q