DOMDocument::normalizeDocument()

(PHP 5, PHP 7)

Normalizes the document

说明

publicDOMDocument::normalizeDocument(void): void

This method acts as if you saved and then loaded the document, putting the document in a "normal" form.

返回值

没有返回值。

参见

• » The DOM Specification
• DOMNode::normalize() Normalizes the node

You can use this in this way.
$doc = new DOMDocument('1.0', 'UTF-8');
$doc->loadHTML($content); // html content
$xpath = new DOMXPath($doc);
$doc->normalizeDocument();
Note that, you can use $doc->normalizeDocument(); at any point of time.