$is_tag
$is_tag :
Static bool marker that indicates the class is a tag.
This allows us to check objects with !empty($obj->is_tag) without having to use a function call is_a().
Concrete end token class.
__construct(string $name, array $attr = array(), integer $line = null, integer $col = null, array $armor = array())
Non-overloaded constructor, which lower-cases passed tag name.
| string | $name | String name. |
| array | $attr | Associative array of attributes. |
| integer | $line | |
| integer | $col | |
| array | $armor |