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@ 2013-09-06T13:03:44Z

<?php


function bla(array $arr = null) {
    var_dump($arr);
}

bla();
bla(null);
bla(array());

Output
Performance
VLD
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var_dump: documentation ( source)

preferences:dark modelive preview

51.97 ms | 402 KiB | 5 Q