South African ID Number Validator is a lightweight plugin that adds a form to any WordPress page or post by means of a shortcode. How to Use Simply install the plugin and place the shortcode where you would like the validation form to be displayed. Use the shortcode [sa_id_validator] to display the form. User the optional parameter show_info=1 to output the age, gender and citizenship status. eg. [sa_id_validator show_info=1].