(Simple) Port Scanner

<?php
set_time_limit(0);
error_reporting(E_ALL);
ob_start();
 
$oHost = 'www.enigmagroup.org';
$host = gethostbyname($oHost);
 
// You are free to add ports, or use $ports = range(1,10000); for 10.000 ports
$ports = array('FTP' => 21,
'http' => 80,
'cPanel http' => 2082,
'cPanel https' => 2095,
'directadmin http' =>2222,
'directadmin https' => 2223,
'MYSQL'=> 3306,
'MSSQL' => 1433,
'SSH' => 22,
'SMTP' => 25,
'DNS' => 53,
'POP3' => 110,
'HTTPS' => 443,
'SMTP(2)' => 587);  
 
if(isset($host) && strlen($host) >= 1)
{
    $handles = array();
    echo '<strong>'.$host.' - '.$oHost.'</strong><br />';
 
    $i = 0;
    foreach($ports as $key => $port)
    {
        $ch = array('handle' => curl_init(), 'port' => $port, 'name' => $key);
 
        curl_setopt($ch['handle'], CURLOPT_HEADER, 0);
        curl_setopt($ch['handle'], CURLOPT_NOBODY, true);
        curl_setopt($ch['handle'], CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch['handle'], CURLOPT_URL, 'http://'.$host);
        curl_setopt($ch['handle'], CURLOPT_PORT, $port);
 
        curl_setopt($ch['handle'], CURLOPT_REFERER, 'http://'.$oHost);
        curl_setopt($ch['handle'], CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($ch['handle'], CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071025 Firefox/2.0.0.9');
        curl_setopt($ch['handle'], CURLOPT_TIMEOUT, 3);
        curl_setopt($ch['handle'], CURLOPT_CONNECTTIMEOUT, 3);
 
        curl_exec($ch['handle']);
        if(curl_getinfo($ch['handle'],CURLINFO_REQUEST_SIZE) > 0)
        {
            echo "<span style=\"color:green\">Port: " . $ch['port'] . " is open (".$ch['name'].")</span>";
        }
        else
        {
            echo "<span style=\"color:red\">Port: " . $ch['port'] . " is closed  (".$ch['name'].")</span>";
        }
        echo '<br />';
        curl_close($ch['handle']); 
 
        ob_end_flush(); 
        ob_flush(); 
        flush(); 
        ob_start();
    }     
}