PHP. Руководство по PHP. 2005

getservbyname

(PHP 4, PHP 5)getservbyname -- Get port number associated with an Internet service and protocol

Description

int getservbyname (string service, string protocol)

getservbyname() returns the internet port which corresponds to service for the specified protocol as per /etc/services. protocol is either "tcp" or "udp" (in lowercase). Returns FALSE if service or protocol is not found.

Пример 1. getservbyname() example


<?php
$services = array('http', 'ftp', 'ssh', 'telnet', 'imap',
'smtp', 'nicname', 'gopher', 'finger', 'pop3', 'www');
foreach ($services as $service){
$port = getservbyname($service, 'tcp');
echo $service . ": " . $port . "<br>\n";
}
?>

For complete list of port numbers see: http://iana.org/assignments/port-numbers.

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