Php/docs/function.getservbyname
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getservbyname
(PHP 4, PHP 5, PHP 7)
getservbyname — Get port number associated with an Internet service and protocol
Description
getservbyname
( string $service
, string $protocol
) : int
getservbyname() returns the Internet port
which corresponds to service for the
specified protocol as per
/etc/services.
Parameters
service- The Internet service name, as a string.
protocolprotocolis either"tcp"or"udp"(in lowercase).
Return Values
Returns the port number, or FALSE if service or
protocol is not found.
Examples
Example #1 getservbyname() example
<?php$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.
