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function sidebar() {
	
    register_sidebar(
        array (
            'name' => __( 'Categories Sidebar', 'pmctool' ),
            'id' => 'category-sidebar',
            'description' => __( 'Categories Sidebar', 'pmctool' ),
            'before_widget' => '<div class="widget-wrap">',
            'after_widget' => "</div>",
            'before_title' => '<h3 class="sidebar-title">',
            'after_title' => '</h3>',
        )
    );

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