# 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

过程化风格

tidy_is_xhtml(tidy `$tidy`): bool

Tells if the document is a XHTML document.

### 参数

`tidy`

  The Tidy 对象。

### 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`.

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