Location: PHPKode > projects > OpenDataCenter Network Management System > function/calculate_ip_address.php
<?php
// ----------------------------------------------------------------------
// Copyright (C) 2007 by GREGORY LE BRAS
// ----------------------------------------------------------------------
// LICENSE
//
// This file is part of ODCNMS - Open DataCenter Network Management System
// 
// ODCNMS is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// Foobar is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with Foobar; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
// ----------------------------------------------------------------------
// Original Author of file: GREGORY LE BRAS - http://www.odcnms.org/
// ----------------------------------------------------------------------

// Calculation IP Address Function

function calculate_ip_address ($ip_address,$subnet_mask)
{
	$ip = ip2long($ip_address);
	$nm = ip2long($subnet_mask);
	$nw = ($ip & $nm);
	$bc = $nw | (~$nm);
	$nb = ($bc - $nw - 1);
	$hr1 = long2ip($nw + 1);
	$hr2 = long2ip($bc - 1);

	$ip = long2ip($ip);
	$nm = long2ip($nm);
	$nw = long2ip($nw);
	$bc = long2ip($bc);	
	
	$result = array ($ip, $nm, $nw, $bc, $nb, $hr1, $hr2);
	
	return $result;
}

?>
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