<?  

/* zamiana znaków z utf do iso */  
function utf_to_iso($utf_string)  
{  
    $utf = array("'\xC4\x85'","'\xC4\x87'","'\xC4\x99'","'\xC5\x82'",  
         "'\xC5\x84'","'\xC3\xB3'","'\xC5\x9B'","'\xC5\xBA'","'\xC5\xBC'","'\xC4\x84'",  
         "'\xC4\x86'","'\xC4\x98'","'\xC5\x81'","'\xC5\x83'","'\xC3\x93'","'\xC5\x9A'","'\xC5\xB9'","'\xC5\xBB'");  
    $iso = array("\xB1","\xE6","\xEA","\xB3", "\xF1",  
         "\xF3", "\xB6", "\xBC", "\xBF", "\xA1", "\xC6", "\xCA",  
         "\xA3", "\xD1", "\xD3", "\xA6", "\xAC", "\xAF");  
return preg_replace ($utf,$iso,$utf_string);  
}  

/* komunikacja z serwerem rejestracji domen */  
function curl_send_query($addr)  
{  
    $curl = curl_init ( $addr );  
        curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, 1);  
        curl_setopt  ( $curl, CURLOPT_SSL_VERIFYPEER,   0);  
    if (!$res = curl_exec ( $curl ) ) return curl_error($curl);  
        curl_close ( $curl );  
    return $res;  
}  

class domain  
{  

    var $addres_check = "https://hrd.pl/registry/domain_check.php?p=dsadsadsadsadasab7ae00fd&domain=";  

    /* przeglądarka domen */  
    function check($domain)  
    {  
        return curl_send_query("{$this->addres_check}$domain");  
    }  

    /* whois z serwera csp (wymagany jest dostęp do komendy passthru)*/  
    function whois($domain)  
    {  
          
        $command = "whois $domain";  
        $shell = passthru($command,$error);  
          
        if($error == false)  
        {  
            return $shell;  
        }  
        else  
        {  
            return 0;  
        }  
          
    }  

}  

$domain = new domain();  
?>  
<? /* odpowiedź z whois */ ?>  
<? if(isset($_POST["whois_domain"])){ ?>  
<?=$domain->whois($_POST["whois_domain"])?><?}?>  

<? /* odpowiedź z whois w kodowaniu ISO-8859-2 */ ?>  
<? if(isset($_POST["whois_domain"])){ ?>  
<?=utf_to_iso($domain->whois($_POST["whois_domain"]))?><?}?>  

<? /* odpowiedź z przeglądarki */ ?>  
<? if(isset($_POST["check_domain"])){ ?>  
<?=$domain->check($_POST["check_domain"])?><?}?>  

<form method="post" action="">  
<input type="text" name="whois_domain"/>  
<input type="submit" name="submit" value="whois"/>  
</form>  
<form method="post" action="">  
<input type="text" name="check_domain"/>  
<input type="submit" name="submit" value="check_domain"/>  
</form>