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 -
protocolis either "tcp" or "udp" (in lowercase).
返回值
Returns the Internet service name as a string.