Online PHP editor | refs for SWuB8

@ 2014-09-21T12:51:57Z

<?php
function printer() {
    while (true) {
        $string = (yield 3);
        echo $string;
    }
}

$printer = printer();
foreach($printer as $v) {
   var_dump($v);
}
$printer->next();
$printer->send('Hello world!');
?>