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footer sidebars

// Register Sidebars
function custom_footer_sidebars() {

	$args = array(
		'id'            => 'footer_left',
		'class'         => 'footer_left',
		'name'          => __( 'Footer Left', 'text_domain' ),
	);
	register_sidebar( $args );

	$args = array(
		'id'            => 'footer_center',
		'class'         => 'footer_center',
		'name'          => __( 'Footer Center', 'text_domain' ),
	);
	register_sidebar( $args );

	$args = array(
		'id'            => 'footer_right',
		'class'         => 'footer_right',
		'name'          => __( '`Footer Right', 'text_domain' ),
	);
	register_sidebar( $args );

}
add_action( 'widgets_init', 'custom_footer_sidebars' );