PHP simple DOM HTML parsing garbled

1. Garbled solution

There is no doubt that one came up to the problem of garbled, although I have as described in the document, all the characters using UTF-8 encoding:

$html = '
How are you doing
'; $dom = new DOMDocument (); @ $dom->loadhtml ($html); Echo $dom->documentelement->nodevalue;

However, if you change to:

$html = '
How are you doing
'; $dom = new DOMDocument (); @ $dom->loadxml ($html); Echo $dom->documentelement->nodevalue;

There's no problem. It was later discovered that Loadhtml would have relied on the declaration meta tag in HTML. If there is no such label, it is considered as iso-8859-1 character set, so garbled. To solve this, give the string a label like this in the header:

$meta = "
 
   ; @ $dom->loadhtml ($meta. $html);

2. Recursion

Html/xml is a recursive layout, so it is bound to iterate recursively:

function _pretty_html_node ($node) {//recursive termination premise//1. Xml_text_node//2. Xml_element_node//3. There is no child node foreach ($node->childnodes as $n) {$child _text. = _pretty_html_node ($n);}//Then different disposition of the differences in the label switch ($tag) {case ' a ': $href = $node->getattribute (' href '); $text. = "$child _text"; ... } return $text; }

3. Escape character Disposition penalty

For a text node, its nodevalue is escaped Htmlspeciachars (). As the html/xml is read, the text is reversed, such as > is already > in memory.

Download Source: pretty_html.php

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The above describes the PHP simple Dom HTML parsing garbled, including the aspects of the content, I hope that the PHP tutorial interested in a friend helpful.

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