i am building a site for validation of the RSS feeds and adding it in the database.
When a user enters a rss web address i need to validate the address and if it contains a rss then i need to enter it into the site or else i need to mention a message..
how do i do it.
i think the easy way is to pass the feed address to this address http://validator.w3.org/feed/check.cgi?url=

but how can i check what result is it giving..
do any one have an idea or else if u have any validation things available. kindly help me out..

<form action="subscription.php" method="post">
<b>Add New Subscription URL :</b><input name="subscr" value="" size="50">
<input type="submit" name="submit" value="Add" />

if (isset($_COOKIE['user']))
	echo "Welcome $_COOKIE[user]<br>";
	//echo "<p>$username</p>";
	$query = mysql_query("SELECT email,password FROM userlogin WHERE username = '$username'") or die(mysql_error());
	$data = mysql_result($query,0);
	//echo $data;
	echo "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"1; URL=login.php\">";

	//url validation

if (preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $subscr)) 
    //print "$subscr url OK.";
	$re=mysql_query("select * from usubs where url='$subscr'");
			mysql_query("Insert into usubs(email,url) values('$data','$subscr')");	
			//echo "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"1; URL=all.html\">";
			echo "The $subscr url already exists with your login";
			//echo "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"1; URL=subscription.php\">";

    print "$subscr url not valid!";
	//echo "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"1; URL=subscription.php\">";

this is my code
presently i am using the regular expression of the website address but how do i use it to verify the rss feed address..
as the present one is validating the www.google.com also as a valid feed..

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Could you not use cURL to read the response from the URL supplied, and then check that it starts with something like the following using regular expressions?

<?xml version="1.0" encoding="utf-8"?>

<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/">


do an iframe folks!

Oh and by the way, if you want to do redirects within PHP, try using the Header method instead. E.g.

header('Location: target.html');


i dont have curl installed in my php..Is there any way to do it without using curl.

Hey guys. I have this tiny bit problem stuck here. See, I have finished my RSS feed, tested it and all works perfectly, but when I remove an article from my feed it still showed in the reader. How do i get the reader to see the article is no longer part of the feed. Any ideas what's wrong?
<url snipped>

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