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POWhy can't I get the tag name of xml file from curl_exec from twitter query?
 

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  1. POWhy can't I get the tag name of xml file from curl_exec from twitter query?
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    <p>I am using the twitter search API namely:</p> <pre><code>$search = "http://search.twitter.com/search.atom?q=" . $q . ""; $tw = curl_init(); curl_setopt($tw, CURLOPT_URL, $search); curl_setopt($tw, CURLOPT_RETURNTRANSFER, TRUE); $twi = curl_exec($tw); </code></pre> <p>$tw seems like a legit .xml file. I output it to a file and it looks like this:</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;feed xmlns:google="http://base.google.com/ns/1.0" xml:lang="en-US" xmlns:openSearch="http://a9.com/-/spec/opensearch/1.1/" xmlns="http://www.w3.org/2005/Atom" xmlns:twitter="http://api.twitter.com/"&gt; &lt;id&gt;tag:search.twitter.com,2005:search/&amp;quot;japan&amp;quot;&lt;/id&gt; &lt;link type="text/html" href="http://search.twitter.com/search?q=%22japan%22" rel="alternate"/&gt; &lt;link type="application/atom+xml" href="http://search.twitter.com/search.atom?q=%22japan%22" rel="self"/&gt; &lt;title&gt;&amp;quot;japan&amp;quot; - Twitter Search&lt;/title&gt; &lt;link type="application/opensearchdescription+xml" href="http://search.twitter.com/opensearch.xml" rel="search"/&gt; &lt;link type="application/atom+xml" href="http://search.twitter.com/search.atom?q=%22japan%22&amp;amp;since_id=53215162768965632" rel="refresh"/&gt; &lt;twitter:warning&gt;since_id removed for pagination.&lt;/twitter:warning&gt; &lt;updated&gt;2011-03-30T22:00:58Z&lt;/updated&gt; &lt;openSearch:itemsPerPage&gt;15&lt;/openSearch:itemsPerPage&gt; &lt;link type="application/atom+xml" href="http://search.twitter.com/search.atom?max_id=53215162768965632&amp;amp;page=2&amp;amp;q=%22japan%22" rel="next"/&gt; &lt;entry&gt; &lt;id&gt;tag:search.twitter.com,2005:53215162768965632&lt;/id&gt; &lt;published&gt;2011-03-30T22:00:58Z&lt;/published&gt; &lt;link type="text/html" href="http://twitter.com/kobe_nowplaying/statuses/53215162768965632" rel="alternate"/&gt; &lt;title&gt;#NowPlaying &amp;quot;Deora Ar Mo Chroi&amp;quot; by Enya on album &amp;quot;A Day Without Rain (Japan)&amp;quot;&lt;/title&gt; &lt;content type="html"&gt;&amp;lt;a href=&amp;quot;http://search.twitter.com/search?q=%23NowPlaying&amp;quot; onclick=&amp;quot;pageTracker._setCustomVar(2, 'result_type', 'recent', 3);pageTracker._trackPageview('/intra/hashtag/#NowPlaying');&amp;quot;&amp;gt;#NowPlaying&amp;lt;/a&amp;gt; &amp;amp;quot;Deora Ar Mo Chroi&amp;amp;quot; by Enya on album &amp;amp;quot;A Day Without Rain (&amp;lt;b&amp;gt;Japan&amp;lt;/b&amp;gt;)&amp;amp;quot;&lt;/content&gt; &lt;updated&gt;2011-03-30T22:00:58Z&lt;/updated&gt; &lt;link type="image/png" href="http://a1.twimg.com/sticky/default_profile_images/default_profile_0_normal.png" rel="image"/&gt; &lt;twitter:geo&gt; &lt;/twitter:geo&gt; &lt;twitter:metadata&gt; &lt;twitter:result_type&gt;recent&lt;/twitter:result_type&gt; &lt;/twitter:metadata&gt; &lt;twitter:source&gt;&amp;lt;a href=&amp;quot;http://www.h-fj.com/blog/&amp;quot; rel=&amp;quot;nofollow&amp;quot;&amp;gt;TWTunes&amp;lt;/a&amp;gt;&lt;/twitter:source&gt; &lt;twitter:lang&gt;en&lt;/twitter:lang&gt; &lt;author&gt; &lt;name&gt;kobe_nowplaying (kobe_nowplaying)&lt;/name&gt; &lt;uri&gt;http://twitter.com/kobe_nowplaying&lt;/uri&gt; &lt;/author&gt; &lt;/entry&gt; </code></pre> <p>When I try to use AJAX and get a responseXML back and search for tags using getElementsByTagName("entry") it returns a "Uncaught TypeError: Cannot read property 'documentElement' of null"</p> <p>The HTML Code:</p> <pre><code>&lt;button onclick="getTweet('tweetOut.xml')"&gt;Get Tweets!&lt;/button&gt; </code></pre> <p>The JS code:</p> <pre><code>... xmlhttp.onreadystatechange = function(){ if(xmlhttp.readyState == 4 &amp;&amp; xmlhttp.status == 200){ x=xmlhttp.responseXML.documentElement.getElementsByTagName("entry"); } ... </code></pre> <p>The program always hangs at that JS line. Any ideas? i tried using a much simpler XML file and my code seems to be fine. Is there something different with the output from curl_exec?</p> <p>Thanks.</p>
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    1. COWhy don't you parse XML using PHP and echo output via AJAX?
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      1. POWhy can't I get the tag name of xml file from curl_exec from twitter query?
      1. USDejan Marjanovic
    2. CO@webarto: I think in the original code, that is how the author does it but I encountered some other errors and so I wanted to start from the basics. The tutorial I am using is from here: http://papermashup.com/using-the-twitter-search-api/ and in there, he creates a new SimpleXMLElement, then some preg_replace, then some strip tags and did a foreach loop but I encountered errors and since I cannot debug that php file, i prefer to just output the XML and parse the results. I can debug the JS file using web inspector.
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      1. POWhy can't I get the tag name of xml file from curl_exec from twitter query?
      1. USokysabeni
    3. COOk, I copied my script, so you can see basics.
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      1. USDejan Marjanovic
 

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