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@ 2021-12-15T18:19:26Z

<?php

declare(strict_types=1);

function f(
	string $name = null,
	Nette\Caching\Storage $storage
) {}


$p = (new ReflectionFunction('f'))->getParameters()[0];
var_dump($p->isOptional());
var_dump($p->isDefaultValueAvailable());

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

18.66 ms | 475 KiB | 4 Q