$template->updateTag($elementid, $modifier)

Up: class Template

This method implements a much more powerful substitution facility which exploits the Document Object Model (DOM) of the HTML or XML document represented by the included files.

This method has two parameters:

parameter	description
$elementid	a string which identifies an element in the Document Object Model (DOM) of the template by its 'id' attribute.
$modifier	an object which describes how the identified element is to be modified.

This method is exactly equivalent to:

$template‑>getElementById($elementid)‑>update($modifier);

or its more compact equivalent:

$template[$elementid]‑>update($modifier);

These alternatives are clearer about what the program is doing and are therefore recommended. See the documentation for $template‑>getElementById($elementid) and $tag->update($instructions) to understand what this method does.

Next: $template->getDocument()