(PHP 4, PHP 5, PHP 7)
getservbyport — Get Internet service which corresponds to port and protocol
$port
, string $protocol
)
getservbyport() returns the Internet service
associated with port for the specified
protocol as per /etc/services.
portThe port number.
protocol
protocol is either "tcp"
or "udp" (in lowercase).
Returns the Internet service name as a string.