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";
}
?>
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For complete list of port numbers see: http://www.iana.org/assignments/port-numbers.
See also: getservbyport().