/**
* Sanitize widget form values as they are saved.
*
* @see WP_Widget::update()
*
* @param array $new_instance Values just sent to be saved.
* @param array $old_instance Previously saved values from database.
*
* @return array Updated safe values to be saved.
*/
public function update($new_instance, $old_instance)
{
if (!class_exists('Facebook_Recommendations_Box')) {
require_once dirname(dirname(__FILE__)) . '/class-facebook-recommendations-box.php';
}
$instance = array();
if (!empty($new_instance['title'])) {
$instance['title'] = strip_tags($new_instance['title']);
}
$box = Facebook_Recommendations_Box::fromArray($new_instance);
if ($box) {
$box_options = $box->toHTMLDataArray();
if (isset($box_options['header'])) {
if ($box_options['header'] === 'false') {
$box_options['header'] = false;
} else {
$box_options['header'] = true;
}
}
if (isset($box_options['border-color'])) {
$box_options['border_color'] = $box_options['border-color'];
unset($box_options['border-color']);
}
if (isset($box_options['max-age'])) {
$box_options['max_age'] = absint($box_options['max-age']);
unset($box_options['max-age']);
}
foreach (array('width', 'height') as $option) {
$box_options[$option] = absint($box_options[$option]);
}
return array_merge($instance, $box_options);
}
return $instance;
}
