custom widget area wordpress

1<?php
2  
3 /**
4 * Register our sidebars and widgetized areas. - Most times you can place this instead your fuction file.
5 *
6 */
7function arphabet_widgets_init() {
8
9	register_sidebar( array(
10		'name'          => 'Home right sidebar',
11		'id'            => 'home_right_1',
12		'before_widget' => '<div>',
13		'after_widget'  => '</div>',
14		'before_title'  => '<h2 class="rounded">',
15		'after_title'   => '</h2>',
16	) );
17
18}
19add_action( 'widgets_init', 'arphabet_widgets_init' );
20?>
21  
22/* show sidebar - template file */  
23<?php if ( is_active_sidebar( 'home_right_1' ) ) : ?>
24	<div id="primary-sidebar" class="primary-sidebar widget-area" role="complementary">
25		<?php dynamic_sidebar( 'home_right_1' ); ?>
26	</div><!-- #primary-sidebar -->
27<?php endif; ?>