remove_action( 'widgets_init', 'plumberx_widgets_init' );
add_action( 'widgets_init', 'sicomunicaweb_plumberx_widgets_init' );

function sicomunicaweb_plumberx_widgets_init() {
   register_sidebar( array(
      'name'          => esc_html__( 'Primary Widget Area', 'plumberx' ),
      'id'            => 'sidebar-1',
      'description'   => esc_html__( 'Add widgets here to appear in your sidebar.', 'plumberx' ),
      'before_widget' => '<div id="%1$s" class="widget sidebar-widget %2$s">',
      'after_widget'  => '</div>',
      'before_title'  => '<h4>',
      'after_title'   => '</h4>',
   ) );

   register_sidebar( array(
      'name'          => esc_html__( 'Shop Widget Area', 'plumberx' ),
      'id'            => 'sidebar-3',
      'description'   => esc_html__( 'Add widgets here to appear in your sidebar.', 'plumberx' ),
      'before_widget' => '<div id="%1$s" class="widget sidebar-widget %2$s">',
      'after_widget'  => '</div>',
      'before_title'  => '<h4>',
      'after_title'   => '</h4>',
   ) );

   register_sidebar( array(
      'name'          => esc_html__( 'Footer Widget Area', 'plumberx' ),
      'id'            => 'sidebar-2',
      'description'   => esc_html__( 'Add widgets here to appear in footer.', 'plumberx' ),
      'before_widget' => '<div id="%1$s" class="col-lg-4 col-md-4 col-sm-6 col-xs-6 widget %2$s">',
      'after_widget'  => '</div>',
      'before_title'  => '<h3>',
      'after_title'   => '</h3>',
   ) );
}