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run code in 500+ PHP versions simultaneously
<?php class MyDTO{ public ?int $propA; public ?int $propB; } $dto = new MyDTO(); $dto->propA = null; echo isset($dto->propA) ? 'init' : 'not-init';
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
not-init
preferences:
79.57 ms | 1011 KiB | 4 Q