Redirect with POST data

Question

I am working on a shopping cart with several payment options using different APIs.

The flow I want is that the user chooses which payment option to use and the accor

Answer 1

Try this

        $context = stream_context_create(array(
        'http' => array(
          'method'  => 'POST',
          'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
          'content' => http_build_query($_POST)
        ),
      )); 

    echo file_get_contents($url, false, $context);