略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: getservbyport

2024-12-22

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

add a noteadd a note

User Contributed Notes 1 note

up
3
paland at stetson dot edu
21 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