   #PHP Manual Network Functions getprotobynumber getservbyport

   PHP Manual
   Prev  Next
   ______________________________________________________________________

                                 getservbyname

   (PHP 4 )
   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. protocol is either
   "tcp" or "udp" (in lowercase).

   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";
   }
   ?>

   For complete list of port numbers see:
   http://www.iana.org/assignments/port-numbers.

   See also: getservbyport().
   ______________________________________________________________________

   Prev             Home          Next
   getprotobynumber  Up  getservbyport
