XML Parser is used to decipher XML codes. Without it, the codes cannot be understood. Web browsers, such as Mozilla Firefox and Google Chrome supply the user with this XML Parser.

To manipulate an XML document in javascript, you need an XML parser. Today all browsers come with in-built parsers that can parse the XML document. The parser loads the document into your computer's memory. Once the document is loaded, its data can be manipulated using the DOM(Document Object Model). There is significant differences in implementation of Microsoft Browser based XML parser and the Mozilla browsers based XML parser.

PHP 5 has a XML parser called SimpleXML that you could use.

SAX (Simple API for XML) is a serial access parser API for XML. SAX provides a mechanism for reading data from an XML document. It is a popular alternative to the Document Object Model (DOM).

SAX (Simple API for XML) is a serial access parser API for XML. SAX provides a mechanism for reading data from an XML document.