process.php

<?php



ini_set('error_reporting', 'E_NONE');
set_time_limit(0);
ob_start();

//Domains servers to be checked
$vpb_domain_servers = array(
	'.com' 		=> array('whois.crsnic.net','No match for'),
	'.info' 	=> array('whois.afilias.net','NOT FOUND'),	
	'.net' 		=> array('whois.crsnic.net','No match for'),
	'.org' 		=> array('whois.pir.org','NOT FOUND'),
	'.co.uk' 	=> array('whois.nic.uk','No match'),		
	'.nl' 		=> array('whois.domain-registry.nl','not a registered domain'),
	'.ca' 		=> array('whois.cira.ca', 'AVAIL'),
	'.name' 	=> array('whois.nic.name','No match'),
	'.be' 		=> array('whois.ripe.net','No entries'),
	'.biz' 		=> array('whois.biz','Not found'),
	'.ws'		=> array('whois.website.ws','No Match'),
	'.tv' 		=> array('whois.nic.tv', 'No match for'),
);

$vpb_domain_name_to_search = trim(strip_tags($_POST['domain']));

if(isset($_POST['domain']) && !empty($vpb_domain_name_to_search)) //Be sure that the domain name is set and field is not empty to proceed
{
	$vpb_cleaned_domain_name_to_search = str_replace(array('www.', 'http://'), NULL, $vpb_domain_name_to_search);
	
	if($vpb_cleaned_domain_name_to_search != "")
	{
		foreach($vpb_domain_servers as $vpb_domain_servers_ext => $vpb_domain_whois)
		{
			$vpb_availability = NULL;
				
			if($vpb_socket = fsockopen($vpb_domain_whois[0], 43))
			{
				fputs($vpb_socket, $vpb_cleaned_domain_name_to_search.$vpb_domain_servers_ext . "\r\n");
				while( !feof($vpb_socket) )
				{
					$vpb_availability .= fgets($vpb_socket,128);
				}
				fclose($vpb_socket);
								
				if(preg_match('/'.$vpb_domain_whois[1].'/', $vpb_availability))
				{
					echo '<div id="vasplus_pb"><div class="available"><div style="float:left; width:280px; border:0px solid; padding-top:3px; padding-bottom:2px;"><span>Available</span>' . $vpb_cleaned_domain_name_to_search. '<b>' . $vpb_domain_servers_ext .'</b> is Available</div><br clear="all" /></div></div><br />';
				}
				else
				{
					echo '<div id="vasplus_pb"><div class="taken"><span>Taken</span>' . $vpb_cleaned_domain_name_to_search . '<b>' .$vpb_domain_servers_ext .'</b> is Taken</div></div><br />';
				}
			}
			else
			{
				echo '<br><div class="info">Sorry, there was an error connecting to the server. Please be sure that you are connected to the internet and try again. Thanks.</div>';
				return false;
			}
		}
	}
	else
	{
		echo '<div class="info">Please enter a domain name of your choice to search.</div>';
	}
}
else
{
	echo '<div class="info">Please enter a domain name of your choice to search.</div>';
}
?>