php - Error in AJAX Reader -


i doing rss- ajax reader. don't made mistake. unable read .xml file. kindly me.

i have given folder permissions 777 in linux. don't think folder permission. think have error in php file.

here code

index.html

<html> <head> <script> function showrss(str) { if (str.length==0)   {    document.getelementbyid("rssoutput").innerhtml="";   return;   } if (window.xmlhttprequest)   {// code ie7+, firefox, chrome, opera, safari   xmlhttp=new xmlhttprequest();   } else   {// code ie6, ie5   xmlhttp=new activexobject("microsoft.xmlhttp");   } xmlhttp.onreadystatechange=function()   {   if (xmlhttp.readystate==4 && xmlhttp.status==200)     {     document.getelementbyid("rssoutput").innerhtml=xmlhttp.responsetext;     }   } xmlhttp.open("get","getrss.php?q="+str,true); xmlhttp.send(); } </script> </head> <body>  <form> <select onchange="showrss(this.value)"> <option value="">select rss-feed:</option> <option value="google">google news</option> <option value="msnbc">msnbc news</option> </select> </form> <br> <div id="rssoutput">rss-feed listed here...</div> </body> </html>

php file :

<?php //get q parameter url $q=$_get["q"];  //find out feed selected if($q=="google")   {   $xml=("http://news.google.com/news?ned=us&topic=h&output=rss");   } elseif($q=="msnbc")   {   $xml=("http://rss.msnbc.msn.com/id/3032091/device/rss/rss.xml");   }  $xmldoc = new domdocument(); $xmldoc->load($xml);  //get elements "<channel>" $channel=$xmldoc->getelementsbytagname('channel')->item(0); $channel_title = $channel->getelementsbytagname('title') ->item(0)->childnodes->item(0)->nodevalue; $channel_link = $channel->getelementsbytagname('link') ->item(0)->childnodes->item(0)->nodevalue; $channel_desc = $channel->getelementsbytagname('description') ->item(0)->childnodes->item(0)->nodevalue;  //output elements "<channel>" echo("<p><a href='" . $channel_link   . "'>" . $channel_title . "</a>"); echo("<br>"); echo($channel_desc . "</p>");  //get , output "<item>" elements $x=$xmldoc->getelementsbytagname('item'); (i=0; i<=2; i++)   {   $item_title=$x->item($i)->getelementsbytagname('title')   ->item(0)->childnodes->item(0)->nodevalue;   $item_link=$x->item($i)->getelementsbytagname('link')   ->item(0)->childnodes->item(0)->nodevalue;   $item_desc=$x->item($i)->getelementsbytagname('description')   ->item(0)->childnodes->item(0)->nodevalue;    echo ("<p><a href='" . $item_link   . "'>" . $item_title . "</a>");   echo ("<br>");   echo ($item_desc . "</p>");   } ?>

how can give loop without declared variables.

you have given $i inside loop not in condition.

change below code in php file.

for ($i=0; $i<=2; $i++)


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