(no version information, might be only in CVS)
XMLWriter::writePI -- Writes a PI
Object oriented style:
( string target, string content )
( resource xmlwriter, string target, string content )
Writes a processing instruction.
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 target of the processing instruction.
The content of the processing instruction.
Returns TRUE on success or FALSE on failure.