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run code in 300+ PHP versions simultaneously
<?php interface Lol { const TEST = 'Lol'; } class Foo implements Lol { const TEST = 'Foo'; } class Bar implements Lol {} $foo = new Foo(); var_dump(get_class($foo)::TEST); $bar = new Bar(); var_dump(get_class($bar)::TEST);
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(3) "Foo" string(3) "Lol"
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Cannot inherit previously-inherited or override constant TEST from interface Lol in /in/mt6mS on line 8
Process exited with code 255.

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