SAX is a serial access parser API for XML and its name is acronymically derived from "Simple API for XML". A SAX Parser handles XML information as a stream and is unidirectional, i.e. it cannot renegotiate a node without first having to establish a new handle to the document and reparse. With that proviso in mind, however, the SAX parser, since it works in stream mode, is unquestionably faster than its sibling the DOM parser.

By Harish Kamath April 03, 2002 Extending Yourself One of the coolest things about PHP has to be the wide range of extensions available for the language. Having problems communicating with a particular database? PHP has a wide range of extensions for different databases. Want to process credit cards transactions? PHP includes an extension that allows...   Read Article.