yield_react.php

<?php

require 'vendor/autoload.php';

$loop = \React\EventLoop\Factory::create();

function yieldPromiseA($promise) {
    while (true) {
        echo 'a', PHP_EOL;
        echo (yield \Async\Util::async($promise)), PHP_EOL;
        echo 'b', PHP_EOL;
        break;
    }
}

function yieldPromiseB($promise) {
    while (true) {
        echo 'c', PHP_EOL;
        echo (yield \Async\Util::async($promise)), PHP_EOL;
        echo 'd', PHP_EOL;
        break;
    }
}


$deferredA = new \React\Promise\Deferred();
$promiseA = $deferredA->promise();

$deferredB = new \React\Promise\Deferred();
$promiseB = $deferredB->promise();


$taskA = new \Async\Task\GeneratorTask(yieldPromiseA($promiseA));
$taskB = new \Async\Task\GeneratorTask(yieldPromiseB($promiseB));


$scheduler = new \Async\Scheduler\ReactEventLoopScheduler($loop);

$scheduler->schedule($taskA);
$scheduler->schedule($taskB);

$loop->addTimer(0.1, function() {
    echo 11, PHP_EOL;
    echo 22, PHP_EOL;
});

$loop->addTimer(3, function() use ($deferredA) {
    $deferredA->resolve(1.5);
});

$loop->addTimer(1, function() use ($deferredB) {
    $deferredB->resolve(1.5);
});

$loop->run();