public function openTag($compiler, $openTag, $data = null)
    {
        array_push($compiler->_tag_stack, array($openTag, $data));
    }
public function openTag($compiler, $openTag, $data = null)
    {
        array_push($compiler->_tag_stack, array($openTag, $data));
    }
public function openTag ( $ compiler , $ openTag , $ data = null ) { array_push ( $ compiler -> _tag_stack , array ( $ openTag , $ data ) ) ; }
Push opening tag name on stack

Optionally additional data can be saved on stack

@param object $compiler compiler object
@param string $openTag  the opening tag's name
@param mixed  $data     optional data saved
Push opening tag name on stack