Home > php教程 > php手册 > php中getservbyport与getservbyname函数用法实例

php中getservbyport与getservbyname函数用法实例

WBOY
Release: 2016-06-06 20:17:23
Original
1117 people have browsed it

这篇文章主要介绍了php中getservbyport与getservbyname函数用法,以实例形式分析了getservbyport与getservbyname函数获取server端的端口等信息的方法,需要的朋友

本文实例讲述了php中getservbyport与getservbyname函数用法。分享给大家供大家参考。具体如下:

复制代码 代码如下:


string getservbyport ( int $port , string $protocol )
 
*/
$services=array('80','21','22','23','25','143');      //定义数组
foreach($services as $service)         //循环读取内容
{
  $protocol=getservbyport($service,'tcp');       //返回端口号对应的协议
  echo $service.":".$protocol."
n";       //输出结果
}
 
/*
int getservbyname ( string $service , string $protocol )
*/
 
$services=array('http','ftp','ssh','telnet','imap',
'smtp','nicname','gopher','finger','pop3','www');       //定义一个数组
foreach($services as $service)          //循环读取内容
{
  $port=getservbyname($service,'tcp');        //获取数组元素对应端口
  echo $service.":".$port."
n";         //输出结果
}

希望本文所述对大家的php程序设计有所帮助。

Related labels:
php
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template