Extracts values from an OpenID AX Response.
The values can be returned in two forms:
$values: An array as returned by openid_extract_namespace(..., OPENID_NS_AX).
$uris: An array of identifier URIs.
An array of values.
http://openid.net/specs/openid-attribute-exchange-1_0.html#fetch_response
function openid_extract_ax_values($values, $uris) {
$output = array();
foreach ($values as $key => $value) {
if (in_array($value, $uris) && preg_match('/^type\\.([^.]+)$/', $key, $matches)) {
$alias = $matches[1];
if (isset($values['count.' . $alias])) {
for ($i = 1; $i <= $values['count.' . $alias]; $i++) {
$output[] = $values['value.' . $alias . '.' . $i];
}
}
elseif (isset($values['value.' . $alias])) {
$output[] = $values['value.' . $alias];
}
break;
}
}
return $output;
}