function fb_graph_batch in Drupal for Facebook 7.4

Read from facebook's graph in batch mode. Allows a single request to facebook to return data from multiple graph nodes.

Only GET currently supported.

Parameters

$paths: An array containing one or more graph paths.

$params: The access token to use for this request.

$options: TODO: cache control.

Return value

Returns an array where each key is one of the paths passed in. The Values are the graph information for that path.

11 calls to fb_graph_batch()

fb_admin_add_token_form in ./fb.admin.inc

fb_admin_add_token_form_validate in ./fb.admin.inc

fb_admin_token_generate_validate in ./fb.admin.inc

fb_admin_token_info in ./fb.admin.inc

Display detailed information about a token.

fb_admin_token_page in ./fb.admin.inc

... See full list

File

./fb.module, line 1329

Code

function fb_graph_batch($paths, $params = NULL, $options = array(), &$errors = NULL) {
  if (isset($params['access_token']) && !$params['access_token'] && function_exists('debugger')) {
    debugger();
  }

  // Accept either params array or access token, for caller's convenience.
  if (is_array($params)) {
    $token = !empty($params['access_token']) ? $params['access_token'] : FALSE;
  }
  elseif (is_string($params)) {
    $token = $params;
    $params = array(
      'access_token' => $token,
    );
  }
  elseif ($params === NULL) {
    $token = NULL;
    $params = array(
      'access_token' => fb_access_token(),
    );
  }
  foreach ($paths as $path) {

    // Accept either array or path string, for caller's convenience.
    if (is_string($path)) {
      $path_array[] = array(
        'method' => 'GET',
        'relative_url' => $path,
      );
    }
    else {
      $path_array[] = $path + array(
        // defaults
        'method' => 'GET',
      );
    }
  }
  $params['batch'] = json_encode($path_array);
  $url = url("https://graph.facebook.com/", array(
    'query' => $params,
  ));
  $result = fb_http($url, array(
    'method' => 'POST',
  ));

  // Put the result into an easy to work with format.
  foreach ($paths as $i => $path) {
    if (is_array($path)) {
      $path = $path['relative_url'];
    }
    try {
      $return[$path] = fb_http_parse_response($result[$i]);
    } catch (exception $e) {

      // If caller passed in $errors array, store the error. Otherwise fail loudly.
      if (!isset($errors)) {
        fb_log_exception($e, t('Batch query %path failed.', array(
          '%path' => $path,
        )));
        throw $e;
      }
      else {
        $errors[$path] = $e;
      }
    }
  }
  return $return;
}