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@ 2021-10-06T16:07:21Z

<?php

function test1(): X|Y|int|float|false|null { }
var_dump((new ReflectionFunction('test1'))->getReturnType()->allowsNull());

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

21.06 ms | 474 KiB | 4 Q