getservbyname
getservbyname
(PHP 4, PHP 5, PHP 7)
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
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 #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.
← getprotobynumber
getservbyport →
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Licensed under the Creative Commons Attribution License v3.0 or later.
