Deprecated: Optional parameter $keys declared before required parameter $cms_id is implicitly treated as a required parameter in /home/www/dev/work/class/blog/CmsKey.php on line 75

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$title is deprecated in /home/www/dev/work/website/lvesu/class/controller/blog/php.php on line 28

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$outlink is deprecated in /home/www/dev/work/website/lvesu/template/blog/cms/php.manual.tpl on line 2

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$status is deprecated in /home/www/dev/work/website/lvesu/template/blog/index.head.php on line 2
PHP - Manual: getservbyport - 互联网笔记

略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: getservbyport

2025-04-27

getservbyport

(PHP 4, PHP 5, PHP 7, PHP 8)

getservbyportGet Internet service which corresponds to port and protocol

说明

getservbyport(int $port, string $protocol): string|false

getservbyport() returns the Internet service associated with port for the specified protocol as per /etc/services.

参数

port

The port number.

protocol

protocol is either "tcp" or "udp" (in lowercase).

返回值

Returns the Internet service name as a string, 或者在失败时返回 false.

参见

添加备注

用户贡献的备注 1 note

up
1
paland at stetson dot edu
24 years ago
Example:
<?php $value = getservbyport(137, "udp"); ?>

The same goes for getservbyname()

官方地址:https://www.php.net/manual/en/function.getservbyport.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3