php domdocument loadhtml turns $ into (url encoding)%24 unexpectedly

473

for this php script,

$dom = new DOMDocument();
    $dom->substituteEntities =FALSE;
    $dom->loadHTML('<a href="$a?">$a</a>');
    // print_r ($dom->getElementsByTagName("a")->item(0)->getAttribute("href")); 

//the above statement show $a? correctly

    echo $dom->saveHTML();

but it returned <a href="%24a">$a</a> to the browser when a saveHTML method was called. The $ in the href attribute was turned into %24 whereas the $ in the content of the a tag remains unchanged.

I expect the output is <a href="$a">$a</a> Is there any way to do this aside from the replace method?

By the way,

  echo $dom->saveXML();

I get what I want with saveXML(); but together with an unexpected <!--xml...... Thanks

656

Answer

Solution:

A safer approach in my case was to use:

$dom->saveXML();
901

Answer

Solution:

You can wrap echo in urldecode to solve this issue :

echo urldecode($dom->saveHTML());

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