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

array(
    'method'=>"GET",
    'header'=>"Accept-language: en" 
  )
);

 $context = stream_context_create($opts);

// Open the file using the HTTP headers set above
$file = file_get_contents('http://tracker.example.com?product_number=5230&price=123.52', false, $context);
?>