Adding a div to wrap widget content after the widget title ( wrap widget content )

widget-wrap.php

/**
 * If no title given then add widget-content wrapper to before_widget
 * If title given then add content wrapper to before_widget
*/
add_filter('dynamic_sidebar_params', 'check_widget_template');
function check_widget_template($params){
    global $wp_registered_widgets;

    $settings_obj = $wp_registered_widgets[$params[0]['widget_id']]['callback'][0];
    $the_settings = $settings_obj->get_settings();
    $the_settings = $the_settings[$params[1]['number']];

    if( ! isset($the_settings['title']) && empty($the_settings['title']) ){
        $params[0]['before_widget'] .= '<div class="content">'; // if no title given
        $params[0]['after_widget']  .= '</div>'; // if no title given
    }else{
        $params[0]['after_widget']  .= '</div>'; // if title given
        $params[0]['after_title']   .= '<div class="content">'; // if title given
    }

    return $params;
}
          

/**
 * Add class to number 3 widget [ THIS IS NOT PART OF 'wrap widget content' ]
*/       
add_filter('dynamic_sidebar_params', 'footer_widgets');
function footer_widgets($params){

    global $appr_widget_num; //Our widget counter variable

    //Check if we are displaying "Footer Sidebar"
    if (isset($params[0]['id']) && $params[0]['id'] == 'app-1') {
        $footappr_widget_numer_widget_num++;
        $divider = 3; //This is number of widgets that should fit in one row		

        //If it's third widget, add last class to it
        if ($appr_widget_num % $divider == 0) {
            $class = 'class="last ';
            $params[0]['before_widget'] = str_replace('class="', $class, $params[0]['before_widget']);
        }
    }

    return $params;
}