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 →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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