Fix File

• /home/sportsfe.../httpdocs/wp-conte.../plugins/themify-.../themify/megamenu

• File: class-mega-menu.php

• Content:

<?php
/**
 * Class that generates custom markup for mega menu that shows posts by categories
 * @package themify
 * @subpackage megamenu
 * @since 1.0.0
 */

defined( 'ABSPATH' ) || exit;

if( ! class_exists( 'Themify_Mega_Menu_Walker', false ) ) {
    /**
     * Class Themify_Mega_Menu_Walker generates menu with posts by category
     * @since 1.0.0
     */
    class Themify_Mega_Menu_Walker extends Walker_Nav_Menu {
        static $mega_open = false;
        private static $hasLayout=false;
        private static $open=false;
        static $disableAssetsLoading=false;

/**
         * render a widget menu item
         *
         * $depth level
         * $class_names additional CSS classes to add to the menu wrapper
         * @return string
         */

function render_widget_menu( $item, int $depth, string $class_names = '' ):string {
            $output = '';
            if( $depth === 0 ) {
                $title = apply_filters( 'the_title', $item->title, $item->ID );
                $output = "<li class='{$class_names}'><a role='button' tabindex='0'>" . $title . '<span class="child-arrow"></span></a><ul class="sub-menu tf_box">';
            }

$menu_widget = Themify_Widgets_Menu::get_instance()->get_widget_menu_class( $item );
            $output .= '<li class="themify-widget-menu">';
			$output .= sprintf( '', $menu_widget, $item->ID );

if( $depth === 0 ) {
                $output .= '</ul>';
            }

return $output;
        }

/**
         * Render a Layout Part inside menu
         *
         * $depth level
         * $class_names additional CSS classes to add to the menu wrapper
         * @return string
         */
        function render_layout_part( $item,int $depth,string $class_names = '' ):string {
            $output = '';
            if( $depth === 0 ) {
                $title = apply_filters( 'the_title', $item->title, $item->ID );
                $output = "<li class='{$class_names}'><a role='button' tabindex='0'>" . $title . '<span class="child-arrow"></span></a><ul class="sub-menu tf_box">';
            }

$output .= '<li class="themify-widget-menu">' . do_shortcode( sprintf( '[themify_layout_part id="%s"]', $item->object_id ) );

if(  $depth === 0 ) {
                $output .= '</ul>';
            }

return $output;
        }

function start_el( &$output, $item, $depth = 0, $args = array(), $current_object_id = 0 ) {

$classes = empty ( $item->classes ) ? array () : (array) $item->classes;
            if( $item->type === 'taxonomy' ){
                $classes[]='mega-link';
            }
            $classes[]='menu-item-'.$item->ID;

/** This filter is documented in wp-includes/class-walker-nav-menu.php */
            $args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );

$classes = implode(' ', apply_filters('nav_menu_css_class', array_keys(array_flip(array_filter($classes) )), $item, $args, $depth ));

/** This filter is documented in wp-includes/class-walker-nav-menu.php */
            $id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );

/* handle the display of widget menu items */
            if( Themify_Widgets_Menu::get_instance()->is_menu_widget( $item ) ) {
                $item_output= $this->render_widget_menu( $item, $depth, $classes );
            } else if ( $item->type === 'post_type' && $item->object === 'tbuilder_layout_part' ) {
                $item_output = $this->render_layout_part( $item, $depth, $classes );
            } else {
                $li_attributes = [
                    'id' => ! empty( $id ) ? $id : '',
                    'class' => ! empty( $classes ) ? $classes : ''
                ];
                /* required for "mega" menu type which displays posts from a taxonomy term */
                if ( $item->type === 'taxonomy' ) {
                    $li_attributes['data-termid']= $item->object_id;
                    $li_attributes['data-tax']= $item->object;
                }
                if ( $args->walker->has_children > 0 ) {
                    $li_attributes['aria-haspopup'] = "true";
                }

/** This filter is documented in wp-includes/class-walker-nav-menu.php */
                $li_attributes = apply_filters( 'nav_menu_item_attributes', $li_attributes, $item, $args, $depth );
                $output .= '<li ' . $this->build_atts( $li_attributes ) . '>';

$atts           = array();
                $atts['title']  = ! empty( $item->attr_title ) ? $item->attr_title : '';
                $atts['target'] = ! empty( $item->target ) ? $item->target : '';
                if ( '_blank' === $item->target && empty( $item->xfn ) ) {
                    $atts['rel'] = 'noopener';
                } else {
                    $atts['rel'] = $item->xfn;
                }

if ( ! empty( $item->url ) ) {
                    if ( get_privacy_policy_url() === $item->url ) {
                        $atts['rel'] = empty( $atts['rel'] ) ? 'privacy-policy' : $atts['rel'] . ' privacy-policy';
                    }

$atts['href'] = $item->url;
                } else {
                    $atts['href'] = '';
                }

$atts['aria-current'] = $item->current ? 'page' : '';

/** This filter is documented in wp-includes/class-walker-nav-menu.php */
                $atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );

/** This filter is documented in wp-includes/post-template.php */
                $title = apply_filters( 'the_title', $item->title, $item->ID );

/** This filter is documented in wp-includes/class-walker-nav-menu.php */
                $title = apply_filters( 'nav_menu_item_title', $title, $item, $args, $depth );

$item_output = $args->before. '<a ' . $this->build_atts( $atts ) . '>' . $args->link_before . $title;

if(isset($args->post_count) && $args->post_count===true && $item->type==='taxonomy'){
                    $term = get_term( $item->object_id, $item->object );
                    $item_output.='<span class="tf_post_count">'.$term->count.'</span>';
                }
                if($args->walker->has_children>0){
                    $item_output.='<span class="child-arrow"></span>';
                }
                if ( ! empty( $item->post_content ) && themify_check( 'menu_description', true ) ) {
                    $item_output .= '<small>' . esc_html( $item->post_content ) . '</small>';
                }
                $item_output.='</a> ' . $args->link_after . $args->after;
            }

$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
        }

/**
         * Start sub level markup
         * @param string $output
         * @param int $depth
         * @param array $args
         */
        function start_lvl( &$output, $depth = 0, $args = array() ) {
            $cl='sub-menu';
            if(self::$hasLayout==='layout'){
                $cl.=' tf_scrollbar';
            }
            elseif(self::$hasLayout==='ajax'){
                $cl='tf_mega_taxes tf_left tf_box';
                $output.='<div class="mega-sub-menu sub-menu tf_scrollbar">';
                self::$open=true;
            }
            $output .= '<ul class="'.$cl.'">';
        }

/**
         * End sub level markup
         * @param string $output
         * @param int $depth
         * @param array $args
         */
        function end_lvl( &$output, $depth = 0, $args = array() ) {
            $output .= '</ul>';
            if(self::$open===true){
                self::$open=false;
                $output.='</div>';
            }
        }

/**
         * Modify item rendering
         * @param object $item
         * @param array $children_elements
         * @param int $max_depth
         * @param int $depth
         * @param array $args
         * @param string $output
         * @return null|void
         * @since 1.0.0
         */
        function display_element( $item, &$children_elements, $max_depth, $depth, $args, &$output ) {
            $id_field = $this->db_fields['id'];
            static $is=null;
            self::$hasLayout=false;
            if ( themify_is_menu_highlighted_link($item->ID) ) {
                $item->classes[] = 'highlight-link';
            }
            $cl=false;
            if ( in_array( 'mega', $item->classes,true ) || themify_is_mega_menu_type( $item->ID, 'mega' )){ // backward compatibility
                if($is===null){
                    $is=true;
                    self::preloadCssJs();
                }
                $item->classes[] = 'mega';
                $item->classes[] = 'has-mega-sub-menu';
                $item->classes[] = 'has-mega';
                self::$hasLayout='ajax';
                $cl='mega-sub-item';
            }
            elseif(in_array( 'columns', $item->classes,true ) || themify_is_mega_menu_type( $item->$id_field, 'column' )){// backwards compatibility
                if($is===null){
                    $is=true;
                    self::preloadCssJs();
                }
                $item->classes[] = 'has-mega-column';
                $item->classes[] = 'has-mega';
                if( $column_layout = get_post_meta( $item->ID, '_themify_mega_menu_columns_layout', true ) ) {
                    $item->classes[] = 'layout-' . $column_layout;
                } else {
                    $item->classes[] = 'layout-auto';
                }
                self::$hasLayout='layout';
                $cl='columns-sub-item';
            }
            elseif(($dropdown_columns = get_post_meta( $item->$id_field, '_themify_dropdown_columns', true ))){
                if($dropdown_columns>1){
                $item->classes[] = 'has-mega-dropdown dropdown-columns-' . $dropdown_columns;
                if($is===null){
                    $is=true;
                    self::preloadCssJs();
                }
                }
            }
            elseif(in_array( 'columns-sub-item', $item->classes,true ) ) {
                    $cl='columns-sub-item';
            }
            if ( ! empty( $children_elements[ $item->$id_field ] ) ) {
                $item->classes[] = 'has-sub-menu';

if ($cl!==false ) {
                    foreach( $children_elements[ $item->$id_field ] as $child ) {
                        $child->classes[] =$cl;
                    }
                }
            }

Walker_Nav_Menu::display_element( $item, $children_elements, $max_depth, $depth, $args, $output );
        }

public static function preloadCssJs(){
            if(self::$disableAssetsLoading===false){
                if ( themify_is_themify_theme() ) {
                    themify_enque_style('tf_megamenu',THEMIFY_URI . '/megamenu/css/style.css',null,THEMIFY_VERSION,'screen and (min-width:' . (Themify_Enqueue_Assets::$mobileMenuActive + 1) . 'px)');
                }
                Themify_Enqueue_Assets::addLocalization('done','tf_megamenu',true);
            }
        }

/**
         * copy of Walker_Nav_Menu::build_atts, for compatibility with WP < 6.3.0
         * documented in wp-includes/class-walker-nav-menu.php
         */
        protected function build_atts( $atts = array() ) {
            $attribute_string = '';
            foreach ( $atts as $attr => $value ) {
                if ( false !== $value && '' !== $value && is_scalar( $value ) ) {
                    $value             = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
                    $attribute_string .= ' ' . $attr . '="' . $value . '"';
                }
            }
            return $attribute_string;
        }
    }

}

if( ! function_exists('themify_theme_mega_get_posts') ) {
    /**
     * Returns posts from a taxonomy by a given term
     * @param $term_id
     * @param $taxonomy
     * @return string
     */
    function themify_theme_mega_get_posts( $term_id, $taxonomy ):string {
        $taxObject  = get_taxonomy( $taxonomy );
        if ( is_wp_error( $taxObject ) || empty( $taxObject ) ) {
            return '';
        }

$postPerPage = themify_get( 'setting-mega_menu_posts', 5, true );
        $term_query_args = apply_filters( 'themify_mega_menu_query',
            array(
                'post_type' => $taxObject->object_type,
                'tax_query' => array(
                    array(
                        'taxonomy' => $taxonomy,
                        'field' => 'id',
                        'terms' => $term_id
                    )
                ),
                'suppress_filters' => false,
                'posts_per_page' => $postPerPage
            )
        );

$posts = get_posts( $term_query_args );

if ( !empty($posts) ) {
            global $post;
            if ( isset( $post ) ){
                $saved_post = clone $post;
            }
            $template = locate_template( array(
                'includes/loop-megamenu-'.get_post_type().'.php',
                'includes/loop-megamenu.php',
            ) );
            if ( ! $template ) {
                $template = THEMIFY_DIR . '/megamenu/templates/loop-megamenu.php';
            }
            
            ob_start();
            foreach( $posts as $p ) {
                $post=$p;
                setup_postdata( $p );
                include $template;
            }
            $mega_posts = ob_get_clean();
            unset($posts);
            if ( isset( $saved_post )) {
                $post = $saved_post;
                setup_postdata( $saved_post );
                unset($saved_post);
            }
        } else {
            $mega_posts = '<article itemscope itemtype="https://schema.org/Article" class="post"><p class="post-title">'.__('Error loading posts.', 'themify').'</p></article>';
        }

return apply_filters( 'themify_mega_posts_output', $mega_posts, $term_id, $taxonomy );
    }
}

if( ! function_exists( 'themify_theme_mega_posts' ) ) {
    /**
     * Called with AJAX to return posts
     * @since 1.0.0
     */
    function themify_theme_mega_posts() {
        $termid = isset( $_POST['termid'] )? $_POST['termid']: '';
        $taxonomy  = isset( $_POST['tax'] )? $_POST['tax']: 'category';
        die(themify_theme_mega_get_posts( $termid, $taxonomy ));
    }
}
add_action('wp_ajax_themify_theme_mega_posts', 'themify_theme_mega_posts');
add_action('wp_ajax_nopriv_themify_theme_mega_posts', 'themify_theme_mega_posts');

/***************************************************
 * Themify Theme Access Point
 ***************************************************/

if ( ! function_exists( 'themify_theme_main_menu' ) ) {
    /**
     * Sets custom menu selected in page custom panel as navigation, otherwise sets the default.
     *
     * @since 1.0.0
     */
    function themify_theme_main_menu( $args = array() ) {

$args['echo'] = false;
        $menu_type = 'main';

if( 'no' !== themify_get( 'setting-mega_menu',false,true ) ) {
            $args['walker'] = new Themify_Mega_Menu_Walker;
            $menu_type = 'mega';
        }

echo apply_filters( 'themify_' . $menu_type . '_menu_html', themify_menu_nav( $args ), $args );
    }
}

/**
 * Check if mega menu is enabled for a menu item
 *
 * @param int    $item_id
 * @param string $type
 *
 * @return bool
 * @since 1.0.0
 */
function themify_is_mega_menu_type( $item_id, $type = 'mega' ) {
    if($type==='mega' || $type==='column' || $type==='dual'){
        $key=$type==='mega'?'item':$type;
        return get_post_meta( $item_id, '_themify_mega_menu_'.$key, true ) == '1';
    }
}

function themify_is_menu_highlighted_link( $item_id ) {
        return get_post_meta( $item_id, '_themify_highlight_link', true );
}

/**
 * Add the option to enable mega menu to taxonomy menu types
 *
 * @since 1.0.0
 */
function themify_menu_mega_option( $item_id, $item, $depth, $args ) {
        $dropdown_columns = (int) get_post_meta( $item_id, '_themify_dropdown_columns', true );
        $is_mega = themify_is_mega_menu_type( $item_id, 'mega' );
        $is_column = !$is_mega && themify_is_mega_menu_type( $item_id, 'column' );
        $is_dropdown_column = !$is_column && ! empty( $dropdown_columns );
        $column_layout = get_post_meta( $item_id, '_themify_mega_menu_columns_layout', true );
        ?>
        <div class="field-tf-mega description description-thin">
            <label for="edit-menu-item-tf-mega-<?php echo $item_id; ?>">
            <?php _e( 'Mega Menu', 'themify' ) ?>
            <a href="https://themify.me/docs/builder#mega-menu" target="_blank"><i class="ti-help"></i></a>
            <br />
                <select name="menu-item-tf-mega[<?php echo $item_id; ?>]" id="edit-menu-item-tf-mega-<?php echo $item_id?>" class="edit-menu-item-tf-mega themify_field_tf-mega widefat">
                    <option value=""></option>
                    <option value="mega" <?php if( $is_mega ) echo 'selected';?>><?php _e( 'Mega Posts', 'themify' ); ?></option>
                    <option value="columns" <?php if( $is_column ) echo 'selected';?>><?php _e( 'Fullwidth Columns', 'themify' ); ?></option>
                <option value="drop" <?php if( $is_dropdown_column===true ) echo 'selected';?>><?php _e( 'Dropdown Columns', 'themify' ); ?></option>
                </select>
            </label>
            <div class="tf-mega-columns-layout">
                <?php
                echo '<input type="hidden" name="menu-item-tf-mega-columns-layout[' . $item_id . ']" value="'.$column_layout.'" class="val">';
                foreach ( array(
                    '' => __( 'Auto', 'themify' ),
                    '4-8' => __( '1/3 - 2/3', 'themify' ),
                    '8-4' => __( '2/3 - 1/3', 'themify' ),
                    '6-3-3' => __( '2/4 - 1/4 - 1/4', 'themify' ),
                    '3-3-6' => __( '1/4 - 1/4 - 2/4', 'themify' ),
                    '3-6-3' => __( '1/4 - 2/4 - 1/4', 'themify' ),
                    '3-9' => __( '1/4 - 3/4', 'themify' ),
                    '9-3' => __( '3/4 - 1/4', 'themify' ),
                ) as $key => $label ) {
                    $selected = $column_layout === $key ? 'class="selected"' : '';
                    echo '<a href="#" ' . $selected . ' data-value="'. $key . '" title="' . $label . '"></a>';
                }
                ?>
            </div>
        </div>

<p class="tf-dropdown-columns-field description description-thin">
        <label for="edit-menu-item-tf-dropdown-columns-<?php echo $item_id; ?>">
            <?php _e( 'Dropdown Columns', 'themify' ) ?><br />
            <select name="menu-item-tf-dropdown_columns[<?php echo $item_id; ?>]" id="edit-menu-item-tf-dropdown_columns-<?php echo $item_id?>" class="edit-menu-item-tf-dropdown_columns">
                <option value=""></option>
                <option value="2" <?php selected( 2, $dropdown_columns ) ?>>2</option>
                <option value="3" <?php selected( 3, $dropdown_columns ) ?>>3</option>
                <option value="4" <?php selected( 4, $dropdown_columns ) ?>>4</option>
            </select>
        </label>
    </p>

<?php
            $allow_hightlight = apply_filters( 'themify_menu_highlight_link', false);
            if ($allow_hightlight) :
            $highlight = get_post_meta( $item_id, '_themify_highlight_link', true );
        ?>
            <div class="field-tf-highlight description description-thin"><br>
                <label for="edit-menu-item-tf-highlight-<?php echo $item_id; ?>">
                    <input type="checkbox" name="menu-item-tf-highlight[<?php echo $item_id; ?>]" value="1" <?php echo ($highlight ? 'checked="checked"' : ''); ?> id="edit-menu-item-tf-highlight-<?php echo $item_id?>" class="edit-menu-item-tf-highlight themify_field_tf-highlight widefat">
                <?php _e( 'Highlight this link', 'themify' ) ?><br />
                </label>
            </div>
        <?php endif;
}
add_action( 'wp_nav_menu_item_custom_fields', 'themify_menu_mega_option', 12, 4 );

/**
 * Save the mega menu option for menu items
 *
 * @since 1.0.0
 */
function themify_update_mega_menu_option( $menu_id, $menu_item_db_id, $args ) {
    $meta_keys = array(
        '_themify_mega_menu_item_tax' => 'menu-item-tf-mega_tax',
        '_themify_mega_menu_columns_layout'   => 'menu-item-tf-mega-columns-layout',
        '_themify_highlight_link'   => 'menu-item-tf-highlight',
    );

/**
     * save Mega Menu <select> option
     * the Mega Menu option saves as two different custom fields, for backwards compatibility
     */
    if ( isset( $_POST['menu-item-tf-mega'][$menu_item_db_id] ) ) {
        /* delete both keys first to ensure they are not both activated on a menu item at the same time */
        delete_post_meta( $menu_item_db_id, '_themify_mega_menu_item' );
        delete_post_meta( $menu_item_db_id, '_themify_mega_menu_column' );
        delete_post_meta( $menu_item_db_id, '_themify_dropdown_columns' );
        if( $_POST['menu-item-tf-mega'][ $menu_item_db_id ] != '' ) {
            if ( $_POST['menu-item-tf-mega'][ $menu_item_db_id ] === 'mega' ) {
                update_post_meta( $menu_item_db_id, '_themify_mega_menu_item', 1 );
            } elseif( $_POST['menu-item-tf-mega'][ $menu_item_db_id ] === 'columns' ) {
                update_post_meta( $menu_item_db_id, '_themify_mega_menu_column', 1 );
            } elseif ( $_POST['menu-item-tf-mega'][ $menu_item_db_id ] === 'drop' && isset( $_POST['menu-item-tf-dropdown_columns'][ $menu_item_db_id ] ) ) {
                update_post_meta( $menu_item_db_id, '_themify_dropdown_columns', $_POST['menu-item-tf-dropdown_columns'][ $menu_item_db_id ] );
            }
        }
    }

foreach ( $meta_keys as $meta_key => $param_key ) {
        $new_meta_value = isset( $_POST[$param_key] , $_POST[$param_key][$menu_item_db_id] ) ? $_POST[$param_key][$menu_item_db_id] : false;
        if ( $new_meta_value ) {
            update_post_meta( $menu_item_db_id, $meta_key, $new_meta_value );
        } else {
            delete_post_meta( $menu_item_db_id, $meta_key );
        }
    }
}
add_action( 'wp_update_nav_menu_item', 'themify_update_mega_menu_option', 10, 3 );

class Themify_Widgets_Menu {

private static $instance = null;
    public $meta_key = '_themify_menu_widget';

/**
     * Creates or returns an instance of this class.
     *
     * @return  A single instance of this class.
     */
    public static function get_instance() {
        return null == self::$instance ? self::$instance = new self : self::$instance;
    }

private function __construct() {
        if( is_admin() ) {
            require_once( ABSPATH . 'wp-admin/includes/widgets.php' );
            add_action( 'admin_init', array( $this, 'add_menu_meta_box' ) );
            add_action( 'admin_enqueue_scripts', array( $this, 'nav_menu_script' ), 12 );
            add_action( 'admin_footer-nav-menus.php', array( $this, 'admin_footer' ) );
            add_action( 'wp_nav_menu_item_custom_fields', array( $this, 'wp_nav_menu_item_custom_fields' ), 99, 4 );
            add_action( 'wp_update_nav_menu_item', array( $this, 'wp_update_nav_menu_item' ), 10, 3 );
        }
    }

function add_menu_meta_box() {
        add_meta_box(
            'themify-menu-widgets-meta',
            __( 'Widgets', 'themify' ),
            array( $this, 'widgets_menu_meta_box' ),
            'nav-menus',
            'side',
            'high'
        );
    }

function widgets_menu_meta_box() {
        global $wp_widget_factory;

?>
        <div id="themify-widget-section" class="posttypediv">
            <label for="themify-menu-widgets"><?php _e( 'Widgets', 'themify' ); ?>:</label>
            <select id="themify-menu-widgets" class="widefat">
                <?php foreach( $wp_widget_factory->widgets as $widget ) : ?>
                    <option value="<?php echo get_class( $widget ); ?>"><?php echo $widget->name; ?> </option>
                <?php endforeach; ?>
            </select>

<p class="button-controls">
                <span class="add-to-menu">
                    <input type="submit" class="button-secondary submit-add-to-menu right" value="<?php _e( 'Add to Menu', 'themify' ); ?>" name="add-post-type-menu-item" id="themify-widget-menu-submit">
                </span>
            </p>
        </div>
        <?php
    }

function wp_nav_menu_item_custom_fields( $item_id, $item, $depth, $args ) {
        if( $this->is_menu_widget( $item ) ) :
            global $wp_widget_factory;
            $class = $this->get_widget_menu_class( $item );

/* Check widget availability */
            if ( ! isset( $wp_widget_factory->widgets[ $class ] ) )
                return;
            ?>
            <input type="hidden" class="themify-widget-menu-type" value="widget" />
            <div class="themify-widget-options" style="clear: both;">
                <div class="widget-inside">
                    <div class="form">
                        <div class="widget-content">
                            <?php echo $this->get_widget_form( $class, $item_id, $item ); ?>
                        </div>
                        <input type="hidden" class="id_base" name="id_base" value="<?php echo esc_attr( $wp_widget_factory->widgets[$class]->id_base ) ?>" />
                        <input type="hidden" class="widget-id" name="widget-id" value="<?php echo time() ?>" />
                    </div>
                </div>
            </div>
        <?php endif;
    }

function wp_update_nav_menu_item( $menu_id, $menu_item_db_id, $args ) {
        if ( isset( $_POST['menu-item-widget-options'],$_POST['menu-item-widget-options'][ $menu_item_db_id ] ) ) {
            global $wp_widget_factory;
            $new_instance = $_POST['menu-item-widget-options'][ $menu_item_db_id ];
            /* the widget class is stored in the menu item URL field */
            $widget_class = ltrim( $_POST['menu-item-url'][ $menu_item_db_id ], '#' );
            if ( isset( $wp_widget_factory->widgets[ $widget_class ] ) ) {

$old_instance = get_post_meta( $menu_item_db_id, $this->meta_key, true );
                if ( ! is_array( $old_instance ) )
                    $old_instance = array();
                $instance = $wp_widget_factory->widgets[ $widget_class ]->update( $new_instance, $old_instance );
                $instance = apply_filters( 'widget_update_callback', $instance, $new_instance, $old_instance, $wp_widget_factory->widgets[ $widget_class ] );
                $this->save_meta( $this->meta_key, $instance, $menu_item_db_id );
            }
        }
    }

function nav_menu_script() {
        $screen = get_current_screen();
        if( 'nav-menus' !== $screen->base )
            return;

themify_enque_script( 'themify-widgets-menu-admin',THEMIFY_URI . '/megamenu/js/admin.js',THEMIFY_VERSION, array( 'jquery' ));
        themify_enque_style( 'themify-widgets-menu-admin', THEMIFY_URI . '/megamenu/css/admin.css',null,THEMIFY_VERSION );

do_action( 'themify_widgets_menu_enqueue_admin_scripts' );
        remove_action( 'admin_enqueue_scripts', array( $this, 'nav_menu_script' ), 12 );

/**
         * Fire enqueue events for Wigets Manager in Menus screen.
         * Disabled if using "Google Listings and Ads" plugin, since it throws a fatal error if its script is registered multiple times.
         */
        if ( defined( 'WC_GLA_VERSION' ) ) {
            return;
        }
        do_action( 'sidebar_admin_setup' );
        do_action( 'admin_enqueue_scripts', 'widgets.php' );
        do_action( 'admin_print_styles-widgets.php' );
        do_action( 'admin_print_scripts-widgets.php' );
    }

function admin_footer() {
        do_action( 'admin_footer-widgets.php' );
    }

/**
     * Returns an array of all registered widget classes
     *
     * @return array
     */
    function get_widget_types() {
        global $wp_widget_factory;

return array_keys( (array) $wp_widget_factory->widgets );
    }

/**
     * Checks if the menu item is of "widget" type and returns the widget's base class name
     *
     * @return mixed string name of the base widget class, false otherwise
     */
    function get_widget_menu_class( $item ) {
        $type = ltrim( $item->url, '#' );
        return in_array( $type, $this->get_widget_types(),true )?$type:false;
    }

function is_menu_widget( $item ) {
        return $this->get_widget_menu_class( $item )?true:false;
    }

/**
     * Generates the widget form required for widget menu types
     *
     * @since 1.0
     * @return string
     */
    function get_widget_form( $widget, $item_id, $item ) {
        global $wp_widget_factory;

$options = $this->get_widget_options( $item_id );

ob_start();
        $wp_widget_factory->widgets[$widget]->form( $options );
        do_action_ref_array( 'in_widget_form', array( $wp_widget_factory->widgets[$widget], null, $options ) );
        $form = ob_get_clean();
        $base_name = 'widget-' . $wp_widget_factory->widgets[$widget]->id_base . '\[' . $wp_widget_factory->widgets[$widget]->number . '\]';
        return preg_replace( "/{$base_name}/", 'menu-item-widget-options['. $item_id .']', $form );
    }

/**
     * Returns saved options for a widget menu type
     *
     * @since 1.0
     * @return array
     */
    function get_widget_options( $item_id ) {
        $options = get_post_meta( $item_id, $this->meta_key, true );
        if( ! is_array( $options ) ) {
            $options = array();
        }

return $options;
    }

/**
     * Helper method that performs proper action on a metadata based on user input
     *
     * @since 1.0
     */
    public function save_meta( $meta_key, $new_meta_value, $post_id = null ) {
        global $post;

if( ! $post_id )
            $post_id = $post->ID;
        $meta_value = get_post_meta( $post_id, $meta_key, true );
        if ( $new_meta_value && '' == $meta_value )
            add_post_meta( $post_id, $meta_key, $new_meta_value, true );
        elseif ( $new_meta_value && $new_meta_value != $meta_value )
            update_post_meta( $post_id, $meta_key, $new_meta_value );
        elseif ( '' == $new_meta_value && $meta_value )
            delete_post_meta( $post_id, $meta_key, $meta_value );
    }

/**
     * Renders a widget using the provided options
     *
     * @since 1.0
     * @return string
     */
    function render_widget( $widget, $instance, $args = array() ) {
        ob_start();
        the_widget( $widget, $instance, apply_filters( 'themify_widget_menu_args', $args ) );
        return ob_get_clean();
    }
}
Themify_Widgets_Menu::get_instance();

/**
 * Allow Layout Part post type in navigation menus
 *
 * @return array
 * @since 3.3.5
 */
function themify_allow_layout_parts_in_nav_menus( $args, $name ) {
    if ( 'tbuilder_layout_part' === $name ) {
        $args['show_in_nav_menus'] = true;
    }

return $args;
}
// add_filter( 'register_post_type_args', 'themify_allow_layout_parts_in_nav_menus', 10, 2 );

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