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@ 2014-09-22T00:56:08Z

<?php
function printer() {
		yield;
		yield NULL;
}

$printer = printer();

foreach($printer as $v)
{
var_dump($v);
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive preview

41.79 ms | 402 KiB | 5 Q