PHP  
downloads | documentation | faq | getting help | mailing lists | reporting bugs | php.net sites | links | my php.net 
search for in the  
<getmxrrgetprotobynumber>
Last updated: Mon, 16 Jul 2012

getprotobyname

(PHP 4, PHP 5)

getprotobyname --  Get protocol number associated with protocol name

Description

int getprotobyname ( string name )

getprotobyname() returns the protocol number associated with the protocol name as per /etc/protocols.

例子 1. getprotobyname() example

<?php
$protocol = 'tcp';
$get_prot = getprotobyname($protocol);
if ($get_prot == -1) {
   // if nothing found, returns -1
   echo 'Invalid Protocol';
} else {
   echo 'Protocol #' . $get_prot;
}
?>

See also: getprotobynumber().




<getmxrrgetprotobynumber>
 Last updated: Mon, 16 Jul 2012
 
Copyright © 2001-2005 The PHP Group
All rights reserved.		 This unofficial mirror is operated at: http://manual.phpv.net/
Last updated: Thu Jul 7 19:13:47 2005 CST