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.
Parameters
-
service -
The Internet service name, as a string.
-
protocol -
protocolis either "tcp" or "udp" (in lowercase).
Return Values
Returns the port number, or FALSE if service or
protocol is not found.
Examples
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";
}
?>
See Also
- getservbyport() - Get Internet service which corresponds to port and protocol
- » http://www.iana.org/assignments/port-numbers for a complete list of port numbers.
- checkdnsrr
- closelog
- define_syslog_variables
- dns_check_record
- dns_get_mx
- dns_get_record
- fsockopen
- gethostbyaddr
- gethostbyname
- gethostbynamel
- gethostname
- getmxrr
- getprotobyname
- getprotobynumber
- getservbyname
- getservbyport
- header_register_callback
- header_remove
- header
- headers_list
- headers_sent
- http_response_code
- inet_ntop
- inet_pton
- ip2long
- long2ip
- openlog
- pfsockopen
- setcookie
- setrawcookie
- socket_get_status
- socket_set_blocking
- socket_set_timeout
- syslog
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