function parseExtensionArgs($args)
{
// preferred_auth_policies is a space-separated list of policy
// URIs
$this->preferred_auth_policies = array();
$policies_str = Auth_OpenID::arrayGet($args, 'preferred_auth_policies');
if ($policies_str) {
foreach (explode(' ', $policies_str) as $uri) {
if (!in_array($uri, $this->preferred_auth_policies)) {
$this->preferred_auth_policies[] = $uri;
}
}
}
// max_auth_age is base-10 integer number of seconds
$max_auth_age_str = Auth_OpenID::arrayGet($args, 'max_auth_age');
if ($max_auth_age_str) {
$this->max_auth_age = Auth_OpenID::intval($max_auth_age_str);
} else {
$this->max_auth_age = null;
}
}