(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 1.0.0)
XMLWriter::flush -- xmlwriter_flush — Flush current buffer
面向对象风格
过程化风格
Flushes the current buffer.
xmlwriter仅用于过程调用。被修改的 XMLWriter resource。此资源来自于对 xmlwriter_open_uri() 或 xmlwriter_open_memory() 的调用。
empty
Whether to empty the buffer or not. Default is TRUE.
If you opened the writer in memory, this function returns the generated XML buffer, Else, if using URI, this function will write the buffer and return the number of written bytes.