3v4l.org

run code in 300+ PHP versions simultaneously
<?php enum Suit: string { case Hearts = 'H'; case Diamonds = 1; case Clubs = 'C'; case Spades = 'S'; }
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 8.1.0 - 8.1.28
Fatal error: Enum case type int does not match enum backing type string in /in/VlZAK on line 6
Process exited with code 255.
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160.8 ms | 1399 KiB | 62 Q