Added security measurement to prevent the public to run the php-script directly

wp-jquery-datatable.php

@@ -9,6 +9,10 @@
  * WordPress Tested up to: 7.0.2
  */
 
+if (!defined('ABSPATH')) {
+    die('Invalid request.');
+}
+
 register_activation_hook(__FILE__, 'wp_jdt_activate_plugin');
 function wp_jdt_activate_plugin()
 {