function curlBy($url, $data=array()){
$ch = curl_init();
if(!empty($data)){
if (is_array($data) && $data) {
$formdata = http_build_query($data);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $formdata);
}
}
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT,0);
$result = curl_exec($ch);
return $result;
}