A dashboard widget code in WordPress. Visit https://www.davidangulo.xyz/ for more information.

dashboard-widget.php

<?php
/*
Plugin Name: Dashboard Widget Example
Plugin URI: https://www.davidangulo.xyz/portfolio/
Description: Just another WordPress plugin with dashboard widget.
Version: 1.0.0
Author: David Angulo
Author URI: https://www.davidangulo.xyz/
License: GPL2
*/

add_action("wp_dashboard_setup","registerDashboardWidget");
function registerDashboardWidget() { 
	wp_add_dashboard_widget("My Widget","My Widget","myPluginDashboardWidget");
}
 
function myPluginDashboardWidget() {
	echo "<h2>Hello World!</h2><p>This is my plugin's dashboard widget.</p>";
}

//Visit the tutorial for more information
//https://www.davidangulo.xyz/website-development/how-to-create-a-dashboard-widget-in-wordpress/