socket_sendto

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

socket_sendto — Sends a message to a socket, whether it is connected or not

说明

socket_sendto(
    Socket $socket,
    string $data,
    int $length,
    int $flags,
    string $address,
    ?int $port = null
): int|false

The function socket_sendto() sends length bytes from data through the socket socket to the port at the address address.

参数

socket

A Socket instance created using socket_create().

data

The sent data will be taken from buffer data.

length

length bytes from data will be sent.

flags

The value of flags can be any combination of the following flags, joined with the binary OR (|) operator.

**Possible values for `flags`**
`MSG_OOB`	Send OOB (out-of-band) data.
`MSG_EOR`	Indicate a record mark. The sent data completes the record.
`MSG_EOF`	Close the sender side of the socket and include an appropriate notification of this at the end of the sent data. The sent data completes the transaction.
`MSG_DONTROUTE`	Bypass routing, use direct interface.

address

IP address of the remote host.

port

port is the remote port number at which the data will be sent.

返回值

socket_sendto() returns the number of bytes sent to the remote host, or false if an error occurred.

更新日志

版本	说明
8.0.0	现在 `socket` 是 Socket 实例，之前是 resource。
8.0.0	`port` is nullable now.

范例

示例 #1 socket_sendto() Example


<?php
    $sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);

    $msg = "Ping !";
    $len = strlen($msg);

    socket_sendto($sock, $msg, $len, 0, '127.0.0.1', 1223);
    socket_close($sock);
?>

参见

socket_send() - Sends data to a connected socket

add a note

User Contributed Notes 1 note

down

ole_DOT_omland_AT_gmail_DOT_com ¶

16 years ago


Here's how you can make an udp broadcast, useful sometimes, and does seem hard to figure out hwo to do..


<?php

$sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);

socket_set_option($sock, SOL_SOCKET, SO_BROADCAST, 1);

socket_sendto($sock, $broadcast_string, strlen($broadcast_string), 0, '255.255.255.255', $port);

?>

add a note

官方地址：https://www.php.net/manual/en/function.socket-sendto.php

有任何技术问题请点击这里网站运营推广招聘

IT PHP 编程语言 Linux 开发编程科技 Elasticsearch HTML/CSS/XML 网络 JAVA NoSQL 数据库面试 C/C++ Golang Git 算法操作系统正则表达式 Redis 互联网 MySql JavaScript 运维软件国际架构设计 Mac OS TCP/IP Excel Vim Windows Socket Oracle VR MongoDB Python 运营 MemCache 商业硬件电子娱乐设计 nginx 摄影游戏 WordPress HTTP 团建数码电器

php7 安装fileinfo扩展 preg_split — 通过一个正则表达式分隔字符串 php位值,解决 PHP 中 usort 在值相同时改变原始位置的问题 [PHP] inet_pton/inet_ntop IP地址转换函数 array_multisort() 多字段排序 PHPMailer设置utf8 PHPMailer字符集CharSet ADORecordSet对象 adodb手册 PHP 8.1 [鸟哥]PHP_INT_MIN 和 -9223372036854775808 opcache预加载 Composer的Packagist资源 mysql面试题 [鸟哥]PHP FFI详解 - 一种全新的PHP扩展方式 PHP7添加redis扩展 Packagist / Composer 中国全量镜像 PHP获取指定函数定义在哪个文件中及行号 PHP mkdir()写出来的权限与mode值不符合 adodb连接mysql多个数据库的问题 PHPstorm 里面Terminal 不能使用 esc键吗退出编辑模式吗

略微加速

PHP官方手册 - 互联网笔记

socket_sendto

说明

参数

返回值

更新日志

范例

参见

User Contributed Notes 1 note