FeedWordPressSyndicationPage::accept_multiadd PHP Method

    function accept_multiadd()
    {
        global $fwp_post;
        if (isset($fwp_post['cancel']) and $fwp_post['cancel'] == __(FWP_CANCEL_BUTTON)) {
            return true;
            // Continue ....
        }
        // If this is a POST, validate source and user credentials
        FeedWordPressCompatibility::validate_http_request('feedwordpress_feeds', 'manage_links');
        $in = (isset($fwp_post['multilookup']) ? $fwp_post['multilookup'] : '') . (isset($fwp_post['opml_lookup']) ? $fwp_post['opml_lookup'] : '');
        if (isset($fwp_post['confirm']) and $fwp_post['confirm'] == 'multiadd') {
            $chex = $fwp_post['multilookup'];
            $added = array();
            $errors = array();
            foreach ($chex as $feed) {
                if (isset($feed['add']) and $feed['add'] == 'yes') {
                    // Then, add in the URL.
                    $link_id = FeedWordPress::syndicate_link($feed['title'], $feed['link'], $feed['url']);
                    if ($link_id and !is_wp_error($link_id)) {
                        $added[] = $link_id;
                    } else {
                        $errors[] = array($feed['url'], $link_id);
                    }
                }
            }
            print "<div class='updated'>\n";
            print "<p>Added " . count($added) . " new syndicated sources.</p>";
            if (count($errors) > 0) {
                print "<p>FeedWordPress encountered errors trying to add the following sources:</p>\n\t\t\t\t<ul>\n";
                foreach ($errors as $err) {
                    $url = $err[0];
                    $short = esc_html(feedwordpress_display_url($url));
                    $url = esc_html($url);
                    $wp = $err[1];
                    if (is_wp_error($err[1])) {
                        $error = $err[1];
                        $mesg = " (<code>" . $error->get_error_messages() . "</code>)";
                    } else {
                        $mesg = '';
                    }
                    print "<li><a href='{$url}'>{$short}</a>{$mesg}</li>\n";
                }
                print "</ul>\n";
            }
            print "</div>\n";
        } elseif (is_array($in) or strlen($in) > 0) {
            add_meta_box('feedwordpress_multiadd_box', __('Add Feeds'), array($this, 'multiadd_box'), $this->meta_box_context(), $this->meta_box_context());
        }
        return true;
        // Continue...
    }