XMLWriter::writePI

(PHP 5 >= 5.1.2, PECL xmlwriter >= 0.1.0)

XMLWriter::writePI — Writes a PI

Object oriented style:

XMLWriter

bool writePI ( string $target , string $content )

Procedural style:

bool xmlwriter_write_pi ( resource $xmlwriter , string $target , string $content )

Writes a processing instruction.

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
target: The target of the processing instruction.
content: The content of the processing instruction.

如果成功则返回 TRUE，失败则返回 FALSE。