将此添加到函数中。php

    if( !function_exists( \'my_custom_widgetize_theme\' ) ){

        add_action ( \'after_setup_theme\', \'my_custom_widgetize_theme\', 10 );

        function my_custom_widgetize_theme(){

            register_sidebar(array(
                \'name\' => \'My SideBar\',
                \'id\'   => \'my_sidebar\',
                \'description\'   => \'This is the widgetized Side Bar.\',
                \'before_widget\' => \'<div id="%1$s" class="widget %2$s">\',
                \'after_widget\'  => \'</div>\',
                \'before_title\'  => \'<h4>\',
                \'after_title\'   => \'</h4>\'
            ));

        }

}

//this will be display your side bar

<div class="col-lg-6 col-md-6 col-sm-12">
     <?php if (function_exists(\'dynamic_sidebar\') && dynamic_sidebar(\'private_event\')); ?>
</div>