[string|null$version = "1.0"],
[string|null$encoding = null],
[string|null$standalone = null]
): public bool
Procedural styleboolxmlwriter_start_document XMLWriterwriter stringnullversion"1.0" stringnullencodingnull stringnullstandalonenull
Only for procedural calls. The XMLWriter instance that is being modified. This object is returned from a call to xmlwriter_open_uri or xmlwriter_open_memory.
The version number of the document as part of the XML declaration.
The encoding of the document as part of the XML declaration.
yes or no.
Returns true on success or false on failure.
|8.0.0||writer expects an XMLWriter instance now; previously, a resource was expected.|