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.
Example 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://www.iana.org/assignments/port-numbers.
See also: getservbyport().