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Ticket #23012: 23012.8.diff

File 23012.8.diff, 20.1 KB (added by wonderboymusic, 11 years ago)

  • src/wp-includes/default-widgets.php

     
    290290        public function update( $new_instance, $old_instance ) {
    291291                $instance = $old_instance;
    292292                $new_instance = wp_parse_args((array) $new_instance, array( 'title' => ''));
    293                 $instance['title'] = strip_tags($new_instance['title']);
     293                $instance['title'] = sanitize_text_field( $new_instance['title'] );
    294294                return $instance;
    295295        }
    296296
    … …  
    402402        public function update( $new_instance, $old_instance ) {
    403403                $instance = $old_instance;
    404404                $new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
    405                 $instance['title'] = strip_tags($new_instance['title']);
     405                $instance['title'] = sanitize_text_field( $new_instance['title'] );
    406406                $instance['count'] = $new_instance['count'] ? 1 : 0;
    407407                $instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0;
    408408
    … …  
    414414         */
    415415        public function form( $instance ) {
    416416                $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
    417                 $title = strip_tags($instance['title']);
    418                 $count = $instance['count'] ? 'checked="checked"' : '';
    419                 $dropdown = $instance['dropdown'] ? 'checked="checked"' : '';
     417                $title = sanitize_text_field( $instance['title'] );
    420418?>
    421419                <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>
    422420                <p>
    423                         <input class="checkbox" type="checkbox" <?php echo $dropdown; ?> id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>" /> <label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e('Display as dropdown'); ?></label>
     421                        <input class="checkbox" type="checkbox" <?php checked( $instance['dropdown'] ); ?> id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>" /> <label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e('Display as dropdown'); ?></label>
    424422                        <br/>
    425                         <input class="checkbox" type="checkbox" <?php echo $count; ?> id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>" /> <label for="<?php echo $this->get_field_id('count'); ?>"><?php _e('Show post counts'); ?></label>
     423                        <input class="checkbox" type="checkbox" <?php checked( $instance['count'] ); ?> id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>" /> <label for="<?php echo $this->get_field_id('count'); ?>"><?php _e('Show post counts'); ?></label>
    426424                </p>
    427425<?php
    428426        }
    … …  
    458456                        <ul>
    459457                        <?php wp_register(); ?>
    460458                        <li><?php wp_loginout(); ?></li>
    461                         <li><a href="<?php bloginfo('rss2_url'); ?>"><?php _e('Entries <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li>
    462                         <li><a href="<?php bloginfo('comments_rss2_url'); ?>"><?php _e('Comments <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li>
     459                        <li><a href="<?php echo esc_url( get_bloginfo( 'rss2_url' ) ); ?>"><?php _e('Entries <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li>
     460                        <li><a href="<?php echo esc_url( get_bloginfo( 'comments_rss2_url' ) ); ?>"><?php _e('Comments <abbr title="Really Simple Syndication">RSS</abbr>'); ?></a></li>
    463461<?php
    464462                        /**
    465463                         * Filter the "Powered by WordPress" text in the Meta widget.
    … …  
    488486         */
    489487        public function update( $new_instance, $old_instance ) {
    490488                $instance = $old_instance;
    491                 $instance['title'] = strip_tags($new_instance['title']);
     489                $instance['title'] = sanitize_text_field( $new_instance['title'] );
    492490
    493491                return $instance;
    494492        }
    … …  
    498496         */
    499497        public function form( $instance ) {
    500498                $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
    501                 $title = strip_tags($instance['title']);
     499                $title = sanitize_text_field( $instance['title'] );
    502500?>
    503501                        <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label> <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>
    504502<?php
    … …  
    542540         */
    543541        public function update( $new_instance, $old_instance ) {
    544542                $instance = $old_instance;
    545                 $instance['title'] = strip_tags($new_instance['title']);
     543                $instance['title'] = sanitize_text_field( $new_instance['title'] );
    546544
    547545                return $instance;
    548546        }
    … …  
    552550         */
    553551        public function form( $instance ) {
    554552                $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
    555                 $title = strip_tags($instance['title']);
     553                $title = sanitize_text_field( $instance['title'] );
    556554?>
    557555                <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
    558556                <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>
    … …  
    606604         */
    607605        public function update( $new_instance, $old_instance ) {
    608606                $instance = $old_instance;
    609                 $instance['title'] = strip_tags($new_instance['title']);
     607                $instance['title'] = sanitize_text_field( $new_instance['title'] );
    610608                if ( current_user_can('unfiltered_html') )
    611609                        $instance['text'] =  $new_instance['text'];
    612610                else
    613                         $instance['text'] = stripslashes( wp_filter_post_kses( addslashes($new_instance['text']) ) ); // wp_filter_post_kses() expects slashed
     611                        $instance['text'] = wp_kses_post( stripslashes( $new_instance['text'] ) );
    614612                $instance['filter'] = ! empty( $new_instance['filter'] );
    615613                return $instance;
    616614        }
    … …  
    620618         */
    621619        public function form( $instance ) {
    622620                $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'text' => '' ) );
    623                 $title = strip_tags($instance['title']);
    624                 $text = esc_textarea($instance['text']);
    625 ?>
     621                $filter = isset( $instance['filter'] ) ? $instance['filter'] : 0;
     622                $title = sanitize_text_field( $instance['title'] );
     623                ?>
    626624                <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
    627625                <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>
    628626
    629627                <p><label for="<?php echo $this->get_field_id( 'text' ); ?>"><?php _e( 'Content:' ); ?></label>
    630                 <textarea class="widefat" rows="16" cols="20" id="<?php echo $this->get_field_id('text'); ?>" name="<?php echo $this->get_field_name('text'); ?>"><?php echo $text; ?></textarea></p>
     628                <textarea class="widefat" rows="16" cols="20" id="<?php echo $this->get_field_id('text'); ?>" name="<?php echo $this->get_field_name('text'); ?>"><?php echo esc_textarea( $instance['text'] ); ?></textarea></p>
    631629
    632                 <p><input id="<?php echo $this->get_field_id('filter'); ?>" name="<?php echo $this->get_field_name('filter'); ?>" type="checkbox" <?php checked(isset($instance['filter']) ? $instance['filter'] : 0); ?> />&nbsp;<label for="<?php echo $this->get_field_id('filter'); ?>"><?php _e('Automatically add paragraphs'); ?></label></p>
     630                <p><input id="<?php echo $this->get_field_id('filter'); ?>" name="<?php echo $this->get_field_name('filter'); ?>" type="checkbox" <?php checked( $filter ); ?> />&nbsp;<label for="<?php echo $this->get_field_id('filter'); ?>"><?php _e('Automatically add paragraphs'); ?></label></p>
    633631<?php
    634632        }
    635633}
    … …  
    738736         */
    739737        public function update( $new_instance, $old_instance ) {
    740738                $instance = $old_instance;
    741                 $instance['title'] = strip_tags($new_instance['title']);
     739                $instance['title'] = sanitize_text_field( $new_instance['title'] );
    742740                $instance['count'] = !empty($new_instance['count']) ? 1 : 0;
    743741                $instance['hierarchical'] = !empty($new_instance['hierarchical']) ? 1 : 0;
    744742                $instance['dropdown'] = !empty($new_instance['dropdown']) ? 1 : 0;
    … …  
    752750        public function form( $instance ) {
    753751                //Defaults
    754752                $instance = wp_parse_args( (array) $instance, array( 'title' => '') );
    755                 $title = esc_attr( $instance['title'] );
     753                $title = sanitize_text_field( $instance['title'] );
    756754                $count = isset($instance['count']) ? (bool) $instance['count'] :false;
    757755                $hierarchical = isset( $instance['hierarchical'] ) ? (bool) $instance['hierarchical'] : false;
    758756                $dropdown = isset( $instance['dropdown'] ) ? (bool) $instance['dropdown'] : false;
    759757?>
    760758                <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e( 'Title:' ); ?></label>
    761                 <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p>
     759                <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /></p>
    762760
    763761                <p><input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>"<?php checked( $dropdown ); ?> />
    764762                <label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e( 'Display as dropdown' ); ?></label><br />
    … …  
    879877         */
    880878        public function update( $new_instance, $old_instance ) {
    881879                $instance = $old_instance;
    882                 $instance['title'] = strip_tags($new_instance['title']);
     880                $instance['title'] = santize_text_field( $new_instance['title'] );
    883881                $instance['number'] = (int) $new_instance['number'];
    884882                $instance['show_date'] = isset( $new_instance['show_date'] ) ? (bool) $new_instance['show_date'] : false;
    885883                $this->flush_widget_cache();
    … …  
    10561054         */
    10571055        public function update( $new_instance, $old_instance ) {
    10581056                $instance = $old_instance;
    1059                 $instance['title'] = strip_tags($new_instance['title']);
     1057                $instance['title'] = sanitize_text_field( $new_instance['title'] );
    10601058                $instance['number'] = absint( $new_instance['number'] );
    10611059                $this->flush_widget_cache();
    10621060
    … …  
    10711069         * @param array $instance
    10721070         */
    10731071        public function form( $instance ) {
    1074                 $title  = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
     1072                $title = isset( $instance['title'] ) ? $instance['title'] : '';
    10751073                $number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
    10761074?>
    10771075                <p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
    1078                 <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" /></p>
     1076                <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /></p>
    10791077
    10801078                <p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of comments to show:' ); ?></label>
    10811079                <input id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="text" value="<?php echo $number; ?>" size="3" /></p>
    … …  
    11231121                if ( ! is_wp_error($rss) ) {
    11241122                        $desc = esc_attr(strip_tags(@html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset'))));
    11251123                        if ( empty($title) )
    1126                                 $title = esc_html(strip_tags($rss->get_title()));
    1127                         $link = esc_url(strip_tags($rss->get_permalink()));
     1124                                $title = strip_tags( $rss->get_title() );
     1125                        $link = strip_tags( $rss->get_permalink() );
    11281126                        while ( stristr($link, 'http') != $link )
    11291127                                $link = substr($link, 1);
    11301128                }
    … …  
    11351133                /** This filter is documented in wp-includes/default-widgets.php */
    11361134                $title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
    11371135
    1138                 $url = esc_url(strip_tags($url));
    1139                 $icon = includes_url('images/rss.png');
     1136                $url = strip_tags( $url );
     1137                $icon = includes_url( 'images/rss.png' );
    11401138                if ( $title )
    1141                         $title = "<a class='rsswidget' href='$url'><img style='border:0' width='14' height='14' src='$icon' alt='RSS' /></a> <a class='rsswidget' href='$link'>$title</a>";
     1139                        $title = '<a class="rsswidget" href="' . esc_url( $url ) . '"><img style="border:0" width="14" height="14" src="' . esc_url( $icon ) . '" alt="RSS" /></a> <a class="rsswidget" href="' . esc_url( $link ) . '">"'. esc_html( $title ) .'"</a>';
    11421140
    11431141                echo $args['before_widget'];
    11441142                if ( $title ) {
    … …  
    12911289        $default_inputs = array( 'url' => true, 'title' => true, 'items' => true, 'show_summary' => true, 'show_author' => true, 'show_date' => true );
    12921290        $inputs = wp_parse_args( $inputs, $default_inputs );
    12931291
    1294         $args['number'] = esc_attr( $args['number'] );
    1295         $args['title'] = isset( $args['title'] ) ? esc_attr( $args['title'] ) : '';
    1296         $args['url'] = isset( $args['url'] ) ? esc_url( $args['url'] ) : '';
     1292        $args['title'] = isset( $args['title'] ) ? $args['title'] : '';
     1293        $args['url'] = isset( $args['url'] ) ? $args['url'] : '';
    12971294        $args['items'] = isset( $args['items'] ) ? (int) $args['items'] : 0;
    12981295
    12991296        if ( $args['items'] < 1 || 20 < $args['items'] ) {
    … …  
    13081305                echo '<p class="widget-error"><strong>' . sprintf( __( 'RSS Error: %s' ), $args['error'] ) . '</strong></p>';
    13091306        }
    13101307
     1308        $esc_number = esc_attr( $args['number'] );
    13111309        if ( $inputs['url'] ) :
    13121310?>
    1313         <p><label for="rss-url-<?php echo $args['number']; ?>"><?php _e( 'Enter the RSS feed URL here:' ); ?></label>
    1314         <input class="widefat" id="rss-url-<?php echo $args['number']; ?>" name="widget-rss[<?php echo $args['number']; ?>][url]" type="text" value="<?php echo $args['url']; ?>" /></p>
     1311        <p><label for="rss-url-<?php echo $esc_number; ?>"><?php _e( 'Enter the RSS feed URL here:' ); ?></label>
     1312        <input class="widefat" id="rss-url-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][url]" type="text" value="<?php echo esc_url( $args['url'] ); ?>" /></p>
    13151313<?php endif; if ( $inputs['title'] ) : ?>
    1316         <p><label for="rss-title-<?php echo $args['number']; ?>"><?php _e( 'Give the feed a title (optional):' ); ?></label>
    1317         <input class="widefat" id="rss-title-<?php echo $args['number']; ?>" name="widget-rss[<?php echo $args['number']; ?>][title]" type="text" value="<?php echo $args['title']; ?>" /></p>
     1314        <p><label for="rss-title-<?php echo $esc_number; ?>"><?php _e( 'Give the feed a title (optional):' ); ?></label>
     1315        <input class="widefat" id="rss-title-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][title]" type="text" value="<?php echo esc_attr( $args['title'] ); ?>" /></p>
    13181316<?php endif; if ( $inputs['items'] ) : ?>
    1319         <p><label for="rss-items-<?php echo $args['number']; ?>"><?php _e( 'How many items would you like to display?' ); ?></label>
    1320         <select id="rss-items-<?php echo $args['number']; ?>" name="widget-rss[<?php echo $args['number']; ?>][items]">
    1321 <?php
    1322                 for ( $i = 1; $i <= 20; ++$i ) {
    1323                         echo "<option value='$i' " . selected( $args['items'], $i, false ) . ">$i</option>";
    1324                 }
    1325 ?>
     1317        <p><label for="rss-items-<?php echo $esc_number; ?>"><?php _e( 'How many items would you like to display?' ); ?></label>
     1318        <select id="rss-items-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][items]">
     1319        <?php
     1320        for ( $i = 1; $i <= 20; ++$i ) {
     1321                echo "<option value='$i' " . selected( $args['items'], $i, false ) . ">$i</option>";
     1322        }
     1323        ?>
    13261324        </select></p>
    13271325<?php endif; if ( $inputs['show_summary'] ) : ?>
    1328         <p><input id="rss-show-summary-<?php echo $args['number']; ?>" name="widget-rss[<?php echo $args['number']; ?>][show_summary]" type="checkbox" value="1" <?php checked( $args['show_summary'] ); ?> />
    1329         <label for="rss-show-summary-<?php echo $args['number']; ?>"><?php _e( 'Display item content?' ); ?></label></p>
     1326        <p><input id="rss-show-summary-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_summary]" type="checkbox" value="1" <?php checked( $args['show_summary'] ); ?> />
     1327        <label for="rss-show-summary-<?php echo $esc_number; ?>"><?php _e( 'Display item content?' ); ?></label></p>
    13301328<?php endif; if ( $inputs['show_author'] ) : ?>
    1331         <p><input id="rss-show-author-<?php echo $args['number']; ?>" name="widget-rss[<?php echo $args['number']; ?>][show_author]" type="checkbox" value="1" <?php checked( $args['show_author'] ); ?> />
    1332         <label for="rss-show-author-<?php echo $args['number']; ?>"><?php _e( 'Display item author if available?' ); ?></label></p>
     1329        <p><input id="rss-show-author-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_author]" type="checkbox" value="1" <?php checked( $args['show_author'] ); ?> />
     1330        <label for="rss-show-author-<?php echo $esc_number; ?>"><?php _e( 'Display item author if available?' ); ?></label></p>
    13331331<?php endif; if ( $inputs['show_date'] ) : ?>
    1334         <p><input id="rss-show-date-<?php echo $args['number']; ?>" name="widget-rss[<?php echo $args['number']; ?>][show_date]" type="checkbox" value="1" <?php checked( $args['show_date'] ); ?>/>
    1335         <label for="rss-show-date-<?php echo $args['number']; ?>"><?php _e( 'Display item date?' ); ?></label></p>
     1332        <p><input id="rss-show-date-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][show_date]" type="checkbox" value="1" <?php checked( $args['show_date'] ); ?>/>
     1333        <label for="rss-show-date-<?php echo $esc_number; ?>"><?php _e( 'Display item date?' ); ?></label></p>
    13361334<?php
    13371335        endif;
    13381336        foreach ( array_keys($default_inputs) as $input ) :
    … …  
    13391337                if ( 'hidden' === $inputs[$input] ) :
    13401338                        $id = str_replace( '_', '-', $input );
    13411339?>
    1342         <input type="hidden" id="rss-<?php echo $id; ?>-<?php echo $args['number']; ?>" name="widget-rss[<?php echo $args['number']; ?>][<?php echo $input; ?>]" value="<?php echo $args[ $input ]; ?>" />
     1340        <input type="hidden" id="rss-<?php echo esc_attr( $id ); ?>-<?php echo $esc_number; ?>" name="widget-rss[<?php echo $esc_number; ?>][<?php echo esc_attr( $input ); ?>]" value="<?php echo esc_attr( $args[ $input ] ); ?>" />
    13431341<?php
    13441342                endif;
    13451343        endforeach;
    … …  
    14531451         */
    14541452        public function update( $new_instance, $old_instance ) {
    14551453                $instance = array();
    1456                 $instance['title'] = strip_tags(stripslashes($new_instance['title']));
     1454                $instance['title'] = sanitize_text_field( stripslashes( $new_instance['title'] ) );
    14571455                $instance['taxonomy'] = stripslashes($new_instance['taxonomy']);
    14581456                return $instance;
    14591457        }
    … …  
    14631461         */
    14641462        public function form( $instance ) {
    14651463                $current_taxonomy = $this->_get_current_taxonomy($instance);
     1464                $title = isset( $instance['title'] ) ? $instance['title'] : '';
    14661465?>
    14671466        <p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:') ?></label>
    1468         <input type="text" class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php if (isset ( $instance['title'])) {echo esc_attr( $instance['title'] );} ?>" /></p>
     1467        <input type="text" class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo esc_attr( $title ); ?>" /></p>
    14691468        <p><label for="<?php echo $this->get_field_id('taxonomy'); ?>"><?php _e('Taxonomy:') ?></label>
    14701469        <select class="widefat" id="<?php echo $this->get_field_id('taxonomy'); ?>" name="<?php echo $this->get_field_name('taxonomy'); ?>">
    14711470        <?php foreach ( get_taxonomies() as $taxonomy ) :
    1472                                 $tax = get_taxonomy($taxonomy);
    1473                                 if ( !$tax->show_tagcloud || empty($tax->labels->name) )
    1474                                         continue;
     1471                $tax = get_taxonomy($taxonomy);
     1472                if ( !$tax->show_tagcloud || empty($tax->labels->name) )
     1473                        continue;
    14751474        ?>
    1476                 <option value="<?php echo esc_attr($taxonomy) ?>" <?php selected($taxonomy, $current_taxonomy) ?>><?php echo $tax->labels->name; ?></option>
     1475                <option value="<?php echo esc_attr($taxonomy) ?>" <?php selected($taxonomy, $current_taxonomy) ?>><?php echo esc_attr( $tax->labels->name ); ?></option>
    14771476        <?php endforeach; ?>
    14781477        </select></p><?php
    14791478        }
    … …  
    15531552        public function update( $new_instance, $old_instance ) {
    15541553                $instance = array();
    15551554                if ( ! empty( $new_instance['title'] ) ) {
    1556                         $instance['title'] = strip_tags( stripslashes($new_instance['title']) );
     1555                        $instance['title'] = sanitize_text_field( stripslashes( $new_instance['title'] ) );
    15571556                }
    15581557                if ( ! empty( $new_instance['nav_menu'] ) ) {
    15591558                        $instance['nav_menu'] = (int) $new_instance['nav_menu'];