curl asynchrone

function curl_asynchrone($url, $post=array(), $cookie=array()) {
  $result = array(
    "response" => "",
    "http_code" => "",
    "header_size" => "",
    "request_size" => "",
    "filetime" => "",
    "ssl_verify_result" => "",
    "redirect_count" => "",
    "total_time" => "",
    "namelookup_time" => "",
    "connect_time" => "",
    "pretransfer_time" => "",
    "size_upload" => "",
    "size_download" => "",
    "speed_download" => "",
    "speed_upload" => "",
    "download_content_length" => "",
    "upload_content_length" => "",
    "starttransfer_time" => "",
    "redirect_time" => "",
    "error" => "",
  );
  $ch = curl_