PHP Rx\Observable::timer示例

示例#1

文件： groupByUntil.php 项目： ReactiveX/RxPHP

<?php

use Rx\Observer\CallbackObserver;
require_once __DIR__ . '/../bootstrap.php';
$loop = \React\EventLoop\Factory::create();
$scheduler = new \Rx\Scheduler\EventLoopScheduler($loop);
$codes = [['id' => 38], ['id' => 38], ['id' => 40], ['id' => 40], ['id' => 37], ['id' => 39], ['id' => 37], ['id' => 39], ['id' => 66], ['id' => 65]];
$source = Rx\Observable::fromArray($codes)->concatMap(function ($x) {
    return \Rx\Observable::timer(100)->mapTo($x);
})->groupByUntil(function ($x) {
    return $x['id'];
}, function ($x) {
    return $x['id'];
}, function ($x) {
    return Rx\Observable::timer(200);
});
$subscription = $source->subscribe(new CallbackObserver(function (\Rx\Observable $obs) {
    // Print the count
    $obs->count()->subscribe(new CallbackObserver(function ($x) {
        echo 'Count: ', $x, PHP_EOL;
    }));
}, function (Exception $err) {
    echo 'Error', $err->getMessage(), PHP_EOL;
}, function () {
    echo 'Completed', PHP_EOL;
}), $scheduler);
$loop->run();

示例#2

文件： race.php 项目： ReactiveX/RxPHP

<?php

require_once __DIR__ . '/../bootstrap.php';
$loop = \React\EventLoop\Factory::create();
$scheduler = new \Rx\Scheduler\EventLoopScheduler($loop);
$source = Rx\Observable::race([Rx\Observable::timer(500)->map(function () {
    return 'foo';
}), Rx\Observable::timer(200)->map(function () {
    return 'bar';
})]);
$source->subscribe($stdoutObserver, $scheduler);
$loop->run();