JavaScript Editor Javascript debugger     Website design 

getservbyname

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

getservbyname() returns the Internet port which corresponds to service for the specified protocol as per /etc/services.

Parameters

service

The Internet service name, as a string.

protocol

protocol is either "tcp" or "udp" (in lowercase).

Return Values

Returns the port number, or FALSE if service or protocol is not found.

Examples

Example 1599. 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";
}
?>


See Also
getservbyport()
» http://www.iana.org/assignments/port-numbers for a complete list of port numbers.