<?php
function sendToTroy($data) {
  $url = 'https://troy-grunt.de/api.php';
  // use key 'http' even if you send the request to https://...
  $options = array (
          'http' => array (
                  'method' => 'POST',
                  'content' => json_encode ( $data )
          )
  );
  $context = stream_context_create ( $options );
  return file_get_contents ( $url, false, $context );
}
?>