uninstall.php

<?php
/**
 * Unistall Container Block.
 * Fired when the plugin is uninstalled.
 *
 * @author      Mahdi Yazdani
 * @package     Container Block
 * @since       1.0.0
 */

// If uninstall not called from WordPress, then exit.
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
    exit;
} // End If Statement