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@ 2014-09-21T13:43:53Z

<?php
function printer() {
        yield;
}

$printer = printer();
$printer->send(3);
foreach($printer as $v) {
   var_dump($v);
}

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

32.09 ms | 402 KiB | 5 Q