Send HTTP request from PHP without waiting for response?

Question

I want to have an HTTP GET request sent from PHP. Example:

http://tracker.example.com?product_number=5230&price=123.52

The idea is to d

Answer 1

I implemented function for fast GET request to url without waiting for response:

function fast_request($url)
{
    $parts=parse_url($url);
    $fp = fsockopen($parts['host'],isset($parts['port'])?$parts['port']:80,$errno, $errstr, 30);
    $out = "GET ".$parts['path']." HTTP/1.1\r\n";
    $out.= "Host: ".$parts['host']."\r\n";
    $out.= "Content-Length: 0"."\r\n";
    $out.= "Connection: Close\r\n\r\n";

    fwrite($fp, $out);
    fclose($fp);
}