Wordpress Widget Register

<?php

function soco_widget_areas() {

    register_sidebar( array(
        'name' => __( 'Single Page sidebar', 'SOCO' ),
        'id' => 'sidebar_one',
        'before_widget' => '<div class="single_sidebar">',
        'after_widget' => '</div>',
        'before_title' => '<h2>',
        'after_title' => '</h2>',
    ) );

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

?>