getservbyport

(PHP 4, PHP 5, PHP 7)

getservbyport — 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.

Returns the Internet service name as a string.

getservbyname() - Get port number associated with an Internet service and protocol