public function php52_safe_widget_content($widget)
 {
     // apply filters
     $content = apply_filters('the_content', empty($widget['content']) ? '' : $widget['content']);
     $content = str_replace(']]>', ']]>', $content);
     // get template hierarchy
     include Tribe_Widget_Builder::get_template_hierarchy('widget_dashboard');
 }
<?php

// this is PHP v5.3+ safe
add_action(is_multisite() ? 'wp_network_dashboard_setup' : 'wp_dashboard_setup', function ($widget) use($widget) {
    wp_add_dashboard_widget($widget['token'] . '-' . $widget['ID'], $widget['title'], function ($widget) use($widget) {
        // apply filters
        $content = apply_filters('the_content', empty($widget['content']) ? '' : $widget['content']);
        $content = str_replace(']]>', ']]&gt;', $content);
        // get template hierarchy
        include Tribe_Widget_Builder::get_template_hierarchy('widget_dashboard');
    });
});