XMLWriter::startPI Create start PI tag &reftitle.description; Object oriented style: XMLWriter boolstartPI stringtarget Procedural style: boolxmlwriter_start_pi resourcexmlwriter stringtarget Starts a processing instruction tag. &reftitle.parameters; &xmlwriter.xmlwriter.description; target The target of the processing instruction. &reftitle.returnvalues; &return.success; &reftitle.seealso;