(PHP 5 >= 5.1.2, PHP 7, PECL xmlwriter >= 0.1.0)
XMLWriter::text -- xmlwriter_text — Write text
面向对象风格
$content
   ) : bool过程化风格
$xmlwriter
   , string $content
   ) : boolWrites a text.
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。
content
       The contents of the text.
       The characters <, >,
       & and " are written as
       entity references (i.e. <, >,
       & and ", respectively).
       All other characters including ' are written literally.
       To write the special XML characters literally, or to write literal entity references,
       xmlwriter_write_raw() has to be used.
      
   成功时返回 TRUE, 或者在失败时返回 FALSE。