what is footer_menu_widget functin code example

Example: what add in footer-menus-widgets.php

/* add in footer-menus-widgets.php  */

<?php if ( $has_sidebar_1 || $has_sidebar_2 || $has_sidebar_3 || $has_sidebar_4 ) { ?>

				<aside class="footer-widgets-outer-wrapper" role="complementary">

					<div class="footer-widgets-wrapper">

						<?php if ( $has_sidebar_1 ) { ?>

							<div class="footer-widgets column-one grid-item">
								<?php dynamic_sidebar( 'sidebar-1' ); ?>
							</div>

						<?php } ?>

						<?php if ( $has_sidebar_2 ) { ?>

							<div class="footer-widgets column-two grid-item">
								<?php dynamic_sidebar( 'sidebar-2' ); ?>
							</div>

						<?php } ?>
						
						<?php if ( $has_sidebar_3 ) { ?>
						
							<div class="footer-widgets column-three grid-item">
								<?php dynamic_sidebar( 'sidebar-3' ); ?>
						</div>
						<?php } ?>
						
						<?php if ( $has_sidebar_4 ) { ?>
							
							<div class="footer-widgets column-four grid-item">
								<?php dynamic_sidebar( 'sidebar-4' ); ?>
						</div>
						
						<?php } ?>

					</div><!-- .footer-widgets-wrapper -->

				</aside><!-- .footer-widgets-outer-wrapper -->

			<?php } ?>
  
  
  /*   add in functions.php   */
  
  register_sidebar( array(
	'name' => 'Footer #3',
	'id' => 'sidebar-3',
	'description' => 'Appears in footer area',
	'before_widget' => '<div id="%1$s" class="widget %2$s">',
	'after_widget' => '</div>',
	'before_title' => '<h3 class="widget-title">',
	'after_title' => '</h3>',
	) );
	register_sidebar( array(
	'name' => 'Footer #4',
	'id' => 'sidebar-4',
	'description' => 'Appppears in footer area',
	'before_widget' => '<div id=%1$s" class="widget %2$s">',
	'after_widget' => '</div>',
	'before_title' => '<h3 class="widget-title">',
	'after_title' => '</h3>',
	) );
  

/*  end          ****************/