$data = array(  
        'kelime' => 'deneme',
        'ayn' => 'tam',
        'kategori' => 'verilst'

    ); 

//$url = "http://tdk.gov.tr/index.php?option=com_bts&arama=kelime"; 
$url = "http://tdk.gov.tr/index.php?option=com_bts&arama=kelime";

$useragent = 'Mozilla/5.0 (compatible; Googlebot/2.1; +[url]http://www.google.com/bot.html)'; 
$referer = 'http://www.google.com/';  
$ch = curl_init();  
curl_setopt ($ch, CURLOPT_URL, $url);  
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
curl_setopt($ch, CURLOPT_BINARYTRANSFER, true); 
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); 
    curl_setopt($ch, CURLOPT_POST, true); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data); 
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $zaman);  
curl_setopt ($ch, CURLOPT_REFERER, $referer);  
curl_setopt ($ch, CURLOPT_USERAGENT, $useragent);  
$sonuc = curl_exec($ch);  
curl_close($ch);  

echo $sonuc ;