tests/pid.php


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<?php
/**
 * @var Goridge\RelayInterface $relay
 */

use Spiral\Goridge;
use Spiral\RoadRunner;

$rr = new RoadRunner\Worker($relay);

while ($in = $rr->receive($ctx)) {
    try {
        $rr->send((string)getmypid());
    } catch (\Throwable $e) {
        $rr->error((string)$e);
    }
}