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@ 2016-10-13T13:36:31Z

<?php

$f = [
    'foo' => NULL,
];

print_r(count($f['foo']));

print_r(count($f['bar']));

Output
Performance
VLD
References
Branches

print_r: documentation ( source)

preferences:dark modelive previewkey bindings

23.35 ms | 474 KiB | 4 Q