getservbyport
(PHP 4, PHP 5, PHP 7)
getservbyport — Get Internet service which corresponds to port and protocol
说明
getservbyport (
int
$port
,
string $protocol
) :
string
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.