- • $value - The value of the current node, and all subnodes combined
- • $name - The name of the node (generally the HTML tag)
- • $type - The type of node (discussed in next slide)
- • $id - The ID of the node (not always available, depends on type)
- • $attribute - An associative array of attributes for the node
- • $child - An indexed array of all the children of this node
