public function loadFromXml(AttributeKey $key, \SimpleXMLElement $element)
{
$allow_multiple_values = (string) $element->type['allow-multiple-values'];
$allow_other_values = (string) $element->type['allow-other-values'];
$key->setDisplayOrder((string) $element->type['display-order']);
if ($allow_multiple_values == '1') {
$key->setAllowMultipleValues(true);
} else {
$key->setAllowMultipleValues(false);
}
if ($allow_other_values == '1') {
$key->setAllowOtherValues(true);
} else {
$key->setAllowOtherValues(false);
}
$options = array();
if (isset($element->type->options)) {
foreach ($element->type->options->children() as $option) {
$options[] = array('value' => (string) $option['value'], 'added' => (string) $option['is-end-user-added']);
}
}
$key->setOptions($options);
}