Note: When an array is passed into the parameters below, it will be
resolved as printf($param[0], $param[1], ...).
public add_error_message ( string | array $error_title, string | boolean | array $error_description = false ) | ||
$error_title | string | array | Title of the error message. |
$error_description | string | boolean | array | Description of the error (and possibly guidelines to resolve it), or false if the error description is not available. |