public function verify($identity = null)
{
if (!isset($identity)) {
$identity = $this->getDefault();
}
/* Fill missing IMP preferences with default values. */
foreach ($this->_impPrefs as $pref) {
if (!isset($this->_identities[$identity][$pref])) {
$this->_identities[$identity][$pref] = $this->_prefs->getValue($pref);
}
}
parent::verify($identity);
}