modules/votesmart/votesmart.api.inc

<?php // $Id: votesmart.api.inc,v 1.2 2008/08/10 01:42:51 vauxia Exp $

function _votesmart_api($request, $args = array(), $item = null) {
  $key = variable_get('votesmart_key', '');
  $url = variable_get('votesmart_host', 'http://api.votesmart.org/');

  // Convert arguments into a request string.
	$args = array_merge($args, array('key' => $key));
  $url .= $request . '?';
  foreach ($args as $k => $v) {
    $url .= check_plain($k) . '=' . check_plain($v) . '&';;
  }

  // Contact the REST API.
  $res = drupal_http_request($url);
  $ret = (array) new SimpleXMLElement($res->data, LIBXML_NOCDATA);

  // TODO check $ret['errorMessage']
  if (isset($ret['errorMessage'])) {
    drupal_set_message(t('Vote Smart API error: %err', array('%err' => $ret['errorMessage'])), 'error');
  }

  // Return specified element (e.g. 'details', 'list', etc.);
  if ($item) {
    foreach (explode('.', $item) as $key) {
      $ret = (array) $ret[$key];
    }
  }

  // Nothing specified, return the entire object.
  return $ret;
}
1	<?php // $Id: votesmart.api.inc,v 1.2 2008/08/10 01:42:51 vauxia Exp $
2
3	function _votesmart_api($request, $args = array(), $item = null) {
4	$key = variable_get('votesmart_key', '');
5	$url = variable_get('votesmart_host', 'http://api.votesmart.org/');
6
7	// Convert arguments into a request string.
8	$args = array_merge($args, array('key' => $key));
9	$url .= $request . '?';
10	foreach ($args as $k => $v) {
11	$url .= check_plain($k) . '=' . check_plain($v) . '&';;
12	}
13
14	// Contact the REST API.
15	$res = drupal_http_request($url);
16	$ret = (array) new SimpleXMLElement($res->data, LIBXML_NOCDATA);
17
18	// TODO check $ret['errorMessage']
19	if (isset($ret['errorMessage'])) {
20	drupal_set_message(t('Vote Smart API error: %err', array('%err' => $ret['errorMessage'])), 'error');
21	}
22
23	// Return specified element (e.g. 'details', 'list', etc.);
24	if ($item) {
25	foreach (explode('.', $item) as $key) {
26	$ret = (array) $ret[$key];
27	}
28	}
29
30	// Nothing specified, return the entire object.
31	return $ret;
32	}