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getservbyport

(PHP 4 , PHP 5)

getservbyport --  Get Internet service which corresponds to port and protocol

Description

string getservbyport ( int port, string protocol)

getservbyport() returns the Internet service associated with port for the specified protocol as per /etc/services. protocol is either "tcp" or "udp" (in lowercase).

See also: getservbyname().

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getservbynameUpinet_ntop
'gopher', 'finger', 'pop3', 'www');

foreach ($services as $service) {                    
    $port = getservbyname($service, 'tcp');
    echo $service . ": " . $port . "<br />\n";
}
?>