(PHP 5 >= 5.1.2, PECL xmlwriter >= 0.1.0)
XMLWriter::startDocument — Create document tag
Object oriented style
Starts a document.
Only for procedural calls. The XMLWriter resource that is being modified. This resource comes from a call to xmlwriter_open_uri() or xmlwriter_open_memory().
The version number of the document as part of the XML declaration. Defaults to 1.0.
The encoding of the document as part of the XML declaration. NULL by default.
yes or no.
Returns TRUE on success or FALSE on failure.