<?php
require_once __DIR__ . '/../bootstrap.php';
$loop = \React\EventLoop\Factory::create();
$scheduler = new \Rx\Scheduler\EventLoopScheduler($loop);
$source1 = \Rx\Observable::fromArray(range(0, 100));
$source2 = \Rx\Observable::fromArray(range(0, 100));
$source = $source1->combineLatest([$source2], function($value1, $value2){
return "First: {$value1}, Second: {$value2}";
})->take(4);
$subscription = $source->subscribe($stdoutObserver, $scheduler);
$loop->run();The extension library is a function of PHP extension. For example, PHP does not originally support operating a certain function, but if you want to support it in the new version, it will be provided in an extended way. In this way, when we configure PHP, if we Without this function, we can prevent php from loading it, thus saving server resources and providing its performance
The extension library of php is generally placed in the ext directory under the php directory. After decompressing the php compressed package you downloaded online, it should You can see that extension_dir in php.ini is used to specify the address of your extension.
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