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