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Help removing ]]> from an api reqest i made


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<!DOCTYPE html>
$request = 'http://api.wolframalpha.com/v2/query?appid=YKAERX-QJJAE7L2G6&input=albert%20einstein&format=html';

$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_URL, $request);
$response = curl_exec($curl);
$blank = '';
$remove = ']]>';
$display = preg_replace($remove, $blank, $response);

border:5px solid gray;

<div class="ex">
echo $display



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Why even remove it to begin with? It's supposed to be there. You see it in your output, and that's presumably why you're removing it, because you're outputting XML in an HTML document. You're supposed to take the XML they return and display it the way you want, and removing the ]]>s will only screw that up.

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The CDATA is for xml or sgml parsing, what's contained within is often optional but shouldn't be treat as markup (html tags ignored) and should be put out as is, so if fully parsing maybe use htmlentities() on it??? Anyway if you were to strip it out you should either remove the whole thing or also remove the start tag too...

<![CDATA[ ... ]]>
so, after a bit of fiddling (The "Usi" did it even though I haven't looked them up) (also this has only been tested on the given example, but should do all I think/hope)

$s='Stuff before...<![CDATA[<div id="pod_0100" class="pod "><hr class="top" /><h2>
      Input interpretation<span class="colon">:</span></h2><div id="subpod_0100_1" class="sub ">blah blah blah...
<hr class="bot" /></div>]]>,,, stuff after';

$pattern = '/<!\[CDATA\[(.*)\]\]>/Usi';
$replacement = '---';
echo preg_replace($pattern, $replacement, $s);

EDIT: Sorted ;)

EDIT 2: change $replacement to be an empty string!

Edited by mentalist
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Whao... went back to put right but the forum can't parse it properly, just made it worse, but the missing code just showed the start and end tags for CDATA...



Actually most of the good stuff has been stripped out too... I'll try to sort it but if can't wait msg me your email Senn and i'll email it you...

Edited by mentalist
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