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Swoole\Event::add

PHP function Edit on GitHub ✎

(PECL swoole >= 1.9.0)

Add a socket to the underlying reactor event listener

Description

Swoole\Event::add(mixed $sock, callable $read_callback, [callable $write_callback], [int $flags]): bool

Adds a socket to the underlying reactor event listener. This function can be used in both Server and Client modes.

Warning

A socket that has already been added cannot be added again. Use swoole_event_set to modify the corresponding callback functions and event types for the socket.

Parameters

sock: File descriptor, stream resource, sockets resource, or object.
read_callback: Callback function for readable events.
write_callback: Callback function for writable events.
flags: Event type mask (e.g. SWOOLE_EVENT_READ, SWOOLE_EVENT_WRITE or SWOOLE_EVENT_READ | SWOOLE_EVENT_WRITE).

Return Values

Success

Examples

Swoole\Event::add() example

php

<?php
$fp = stream_socket_client("tcp://www.qq.com:80", $errno, $errstr, 30);
fwrite($fp,"GET / HTTP/1.1\r\nHost: www.qq.com\r\n\r\n");

Swoole\Event::add($fp, function($fp) {
    $resp = fread($fp, 8192);
    Swoole\Event::del($fp);
    fclose($fp);
});
echo "Finish\n";
?>

Source: reference/swoole/swoole/event/add.xml · from the official PHP manual (php/doc-en)