function veri_cek($url) {
    $ch = curl_init();
    curl_setopt($ch,CURLOPT_URL,$url);
    curl_setopt($ch,CURLOPT_REFERER,$url);
    curl_setopt($ch,CURLOPT_FAILONERROR,1);
    curl_setopt($ch,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0');
    curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
    $veri = curl_exec($ch);
    curl_close($ch);
return $veri;
}