| public ability ( string | array $roles, string | array $permissions, string | boolean $group = null, array $options = [] ) : array | boolean | ||
| $roles | string | array | Array of roles or comma separated string |
| $permissions | string | array | Array of permissions or comma separated string. |
| $group | string | boolean | Group or options value |
| $options | array | validate_all (true|false) or return_type (boolean|array|both) |
| return | array | boolean | |
public function ability($roles, $permissions, $group = null, $options = []);