why libxml2 quotes starting double slash in CDATA with javascript
This is my code:
<?php
$data = <<<EOL
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD开发者_如何学C/xhtml1-strict.dtd">
<html>
<script type="text/javascript">
//<![CDATA[
var a = 123; // JS code
//]]>
</script>
</html>
EOL;
$dom = new DOMDocument();
$dom->preserveWhiteSpace = false;
$dom->formatOutput = false;
$dom->loadXml($data);
echo '<pre>' . htmlspecialchars($dom->saveXML()) . '</pre>';
This is result:
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<script type="text/javascript"><![CDATA[
//]]><![CDATA[
var a = 123; // JS code
//]]><![CDATA[
]]></script></html>
If and when I remove the DOCTYPE notation from XML document, CDATA works properly and leading/trailing double slash is not turned into CDATA.
What is the problem here? Bug in libxml2? PHP version is 5.2.13 on Linux. Thanks.
I'm running libxml 2.7.3 with PHP 5.2.11 on OS X.
Not an apples to apples comparison but maybe it will help you.
When I run your code (and add the closing PHP tag here is my output.)
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><script type="text/javascript">
//<![CDATA[
var a = 123; // JS code
//]]>
</script></html>
It appears to render correctly as you want it to. Maybe the version numbers will help you sort it out... I'm running a older version of PHP5 (Mamp incidentally so I didn't compile it myself.)
Hope this helps point you in a direction to find your answer.
Take care!
You should be using the HTML version of the API.
Use loadHTML and saveHTML instead.
加载中,请稍侯......
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