Zend_Dom_Query provides mechanisms for querying
XML and (X)HTML documents utilizing either XPath or
CSS selectors. It was developed to aid with functional testing of
MVC applications, but could also be used for rapid development of screen
scrapers.
CSS selector notation is provided as a simpler and more familiar notation for web developers to utilize when querying documents with XML structures. The notation should be familiar to anybody who has developed Cascading Style Sheets or who utilizes Javascript toolkits that provide functionality for selecting nodes utilizing CSS selectors (Prototype's $$() and Dojo's dojo.query were both inspirations for the component).