original_string: public function last_tag_node()
  	{
  		$children_len = count($this->children);
  
  		for($i=$children_len-1; $i >= 0; $i--)
  			if($this->children[$i] instanceof Node_Container_Tag)
  				return $this->children[$i];
  
  		return null;
  	}
code: public function last_tag_node()
  	{
  		$children_len = count($this->children);
  
  		for($i=$children_len-1; $i >= 0; $i--)
  			if($this->children[$i] instanceof Node_Container_Tag)
  				return $this->children[$i];
  
  		return null;
  	}
code_tokens: public function last_tag_node ( ) { $ children_len = count ( $ this -> children ) ; for ( $ i = $ children_len - 1 ; $ i >= 0 ; $ i -- ) if ( $ this -> children [ $ i ] instanceof Node_Container_Tag ) return $ this -> children [ $ i ] ; return null ; }
docstring: Gets the last child of type Node_Container_Tag.
  @return Node_Container_Tag
docstring_tokens: Gets the last child of type Node_Container_Tag .