getservbyport()

(PHP 4, PHP 5, PHP 7)

Get Internet service which corresponds to port and protocol

说明

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

getservbyport()returns the Internet service associated with$portfor the specified$protocolas per/etc/services.

参数

$port

The port number.

$protocol

$protocolis either"tcp"or"udp"(in lowercase).

返回值

Returns the Internet service name as a string.

参见

• getservbyname() 获取互联网服务协议对应的端口

Example:
<?php $value = getservbyport(137, "udp"); ?>
The same goes for getservbyname()