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@ 2015-10-05T23:45:37Z

<?php

function gen1() {
    yield 1;
    yield;
    yield 3;
}

foreach(gen1() as $val) {
    var_dump($val);
}

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

61.03 ms | 402 KiB | 5 Q