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run code in 300+ 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 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
not-init
preferences:
98.76 ms | 478 KiB | 5 Q