getservbyport

(PHP 4, PHP 5)

getservbyport — Get Internet service which corresponds to port and protocol

说明

string getservbyport ( int $port , string $protocol )

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.

参见

getservbyname() - Get port number associated with an Internet service and protocol

用户评论:

q9603062 at topaz dot cqu dot edu dot au (2001-01-16 02:28:18)

Like the previous post of palands, the protcol tcp must be in lower case, either quoted or unquoted.. Example: $value=getservbyport(31337, "tcp"); Uppercase will not work.

paland at stetson dot edu (2000-11-29 16:00:00)

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