gan_node_html.php
function isParent($tag, $recursive = false) {
		return ($this->hasParent($tag, $recursive) === ($tag !== null));
	}
function isParent($tag, $recursive = false) {
		return ($this->hasParent($tag, $recursive) === ($tag !== null));
	}
Find out if node is parent of a certain tag
@param DomNode|string $tag Match against parent, string to match tag, object to fully match node
@param bool $recursive
@return bool
@see hasParent()