function widget($args, $instance)
{
if (isset($instance['error']) && $instance['error']) {
return;
}
extract($args, EXTR_SKIP);
$url = !empty($instance['url']) ? $instance['url'] : '';
while (stristr($url, 'http') != $url) {
$url = substr($url, 1);
}
if (empty($url)) {
return;
}
// self-url destruction sequence
if (in_array(untrailingslashit($url), array(site_url(), home_url()))) {
return;
}
$rss = fetch_feed($url);
$title = $instance['title'];
$desc = '';
$link = '';
if (!is_nxt_error($rss)) {
$desc = esc_attr(strip_tags(@html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset'))));
if (empty($title)) {
$title = esc_html(strip_tags($rss->get_title()));
}
$link = esc_url(strip_tags($rss->get_permalink()));
while (stristr($link, 'http') != $link) {
$link = substr($link, 1);
}
}
if (empty($title)) {
$title = empty($desc) ? __('Unknown Feed') : $desc;
}
$title = apply_filters('widget_title', $title, $instance, $this->id_base);
$url = esc_url(strip_tags($url));
$icon = includes_url('images/rss.png');
if ($title) {
$title = "<a class='rsswidget' href='{$url}' title='" . esc_attr__('Syndicate this content') . "'><img style='border:0' width='14' height='14' src='{$icon}' alt='RSS' /></a> <a class='rsswidget' href='{$link}' title='{$desc}'>{$title}</a>";
}
echo $before_widget;
if ($title) {
echo $before_title . $title . $after_title;
}
nxt_widget_rss_output($rss, $instance);
echo $after_widget;
if (!is_nxt_error($rss)) {
$rss->__destruct();
}
unset($rss);
}
/**
* Display secondary dashboard RSS widget feed.
*
* @since 2.5.0
*
* @return unknown
*/
function nxt_dashboard_secondary_output()
{
$widgets = get_option('dashboard_widget_options');
@extract(@$widgets['dashboard_secondary'], EXTR_SKIP);
$rss = @fetch_feed($url);
if (is_nxt_error($rss)) {
if (is_admin() || current_user_can('manage_options')) {
echo '<div class="rss-widget"><p>';
printf(__('<strong>RSS Error</strong>: %s'), $rss->get_error_message());
echo '</p></div>';
}
} elseif (!$rss->get_item_quantity()) {
$rss->__destruct();
unset($rss);
return false;
} else {
echo '<div class="rss-widget">';
nxt_widget_rss_output($rss, $widgets['dashboard_secondary']);
echo '</div>';
$rss->__destruct();
unset($rss);
}
}
