Php/docs/function.getservbyport
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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.