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@ 2018-06-14T16:33:48Z

<?php

const DEFAULT_VALUE = null;

function foo(\stdClass $arg = DEFAULT_VALUE)
{
    var_dump($arg);
}

var_dump((new ReflectionFunction('foo'))->getParameters()[0]->allowsNull());
foo(null);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

120.38 ms | 1691 KiB | 5 Q