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@ 2017-07-07T12:39:00Z

<?php
	declare(strict_types=1);


function test(?float $a) : void {
    var_dump($a);
}

test(1);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

46.59 ms | 402 KiB | 5 Q