Object oriented style:
class XMLWriter {Procedural style:
mixed xmlwriter_flush ( resource xmlwriter [, bool empty] )Flushes the current buffer.
xmlwriter
仅用于过程调用。resource 是被修改的 XMLWriter 资源。此资源来自对 xmlwriter_open_uri() 或 xmlwriter_open_memory() 的调用
empty
Whether to empty the buffer or no. Default is TRUE.