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Swoole\Event::isset — Check if a socket is being monitored in the event loop
$fd, int $events
=
SWOOLE_EVENT_READ | SWOOLE_EVENT_WRITE
): boolChecks whether the specified file descriptor is being monitored for the given event types in the event loop.
fdeventsSWOOLE_EVENT_READ and/or SWOOLE_EVENT_WRITE).
Функция возвращает true, если выполнилась успешно, или false, если возникла ошибка.
Пример #1 Checking event monitoring status
<?php
$fp = stream_socket_client("tcp://www.qq.com:80");
Swoole\Event::add($fp, function ($fp) {
echo fread($fp, 8192);
}, null, SWOOLE_EVENT_READ);
var_dump(Swoole\Event::isset($fp, SWOOLE_EVENT_READ)); // Output: true
var_dump(Swoole\Event::isset($fp, SWOOLE_EVENT_WRITE)); // Output: false