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@ 2020-07-22T12:34:25Z

<?php

function foo(string $a = NULL) {
    var_dump($a);
}

foo();
foo('bar');
foo(NULL);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

108.16 ms | 1526 KiB | 5 Q