<?php /* howto uninstall the pluggin https://developer.wordpress.org/plugins/plugin-basics/uninstall-methods/ */ // if uninstall.php is not called by WordPress, die if (!defined('WP_UNINSTALL_PLUGIN')) { die; } $option_name = 'wporg_option'; delete_option($option_name); // for site options in Multisite delete_site_option($option_name); // drop a custom database table global $wpdb; $wpdb->query("DROP TABLE IF EXISTS {$wpdb->prefix}mytable"); ?>