How to add DOCTYPE in export xml?
问题 I exported a xml file in PHP using: $xmldoc = new DOMDocument(); $xmldoc->formatOutput = true; $xmldoc->encoding="Shift_JIS"; // create root nodes $root = $xmldoc->createElement("TableData"); $xmldoc->appendChild( $root ); $xmldoc->save($filename); Result: <?xml version="1.0" encoding="Shift_JIS"?> <TableData> </TableData> Now, i want to add row <!DOCTYPE TableDef SYSTEM "TableData.dtd"> like: <?xml version="1.0" encoding="Shift_JIS"?> <!DOCTYPE TableDef SYSTEM "TableData.dtd"> <TableData> <