public static function testimonials_categories($atts, $widget_number = null)
{
$atts = wp_parse_args($atts, Testimonials_Widget_Categories_Widget::get_defaults());
$atts = Testimonials_Widget_Categories_Widget::validate_settings($atts);
$atts['type'] = 'testimonials_categories';
$instance = !empty($widget_number) ? $widget_number : self::add_instance();
$atts['widget_number'] = $instance;
$content = apply_filters('tw_cache_get', false, $atts);
if (false === $content) {
$content = self::get_categories_html($atts);
$content = apply_filters('tw_cache_set', $content, $atts);
}
self::call_scripts_styles(array(), $atts, $instance);
return $content;
}
