tidy::isXhtml
  tidy_is_xhtml
  (PHP 5, PHP 7, PHP 8, PECL tidy >= 0.5.2)
tidy::isXhtml -- tidy_is_xhtml — Indicates if the document is a XHTML document
  
 
  说明
  面向对象风格
  
   public tidy::isXhtml(): 
bool 
  
  
  
  
 
 
  返回值
  
   This function returns true if the specified tidy
   tidy is a XHTML document, or false otherwise.
  
  警告
   
    This function is not yet implemented in the Tidylib itself, so it always
    return false.