XMLReader::open Set the URI containing the XML to parse &reftitle.description; XMLReader bool open stringURI stringencoding intoptions Set the URI containing the XML document to be parsed. &reftitle.parameters; URI URI pointing to the document. encoding The document encoding or &null;. options A bitmask of the XMLReader Options constants. &reftitle.returnvalues; &return.success; &reftitle.changelog; &Version; &Description; 5.2.0 encoding and options were added. &reftitle.seealso;