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<?php namespace { define('B\CONSTANT', 123); define('B\NULL', 456); define('GLOBAL_CONSTANT', 789); } namespace B { var_dump(NULL); var_dump(CONSTANT); var_dump(\B\NULL); var_dump(GLOBAL_CONSTANT); }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
NULL int(123) int(456) int(789)

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78.83 ms | 402 KiB | 62 Q