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Pozdrav,
Pre svega zelim svima da pozelim srecnu Novu godinu 
Imam sledeci problem. Na jednoj strani imam link koji otvara popup prozor u kome se pojavljuje twitter aplikacija za prijavljivanje. Nakon klika na "Allow" popup prozor se zatvara, JS funkcija prikuplja $GET parametre iz URL-a, prosledjuje maticnoj strani i refresuje je sa dodatkom prikupljenih parametara. Problem je sledeci...nakon refresovanja maticne strane, ona ponovo poziva funkciju koja prikuplja $_GET parametre iz URL-a i u konzoli dobijam gresku "Cannot read property 'location' of null"...Evo koda, nadam se da cete mi pomoci
<?php
session_start();
require_once 'include/twitter.class.php';
echo "Dobrodosli ".$_SESSION['login']."! <br />";
?>
<script type="text/javascript">
function twitter()
{
window.open('./login.php?action=twitter','myWin','scrollbars =yes, width=500,height=500');
window.onClick = function(){self.close()};
}
function gup( name )
{
name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
var regexS = "[\\?&]"+name+"=([^&#]*)";
var regex = new RegExp( regexS );
var results = regex.exec( window.location.href );
if( results != null )
return results[1];
}
function callTwitter()
{
var a = gup('oauth_verifier');
var b = gup('oauth_token');
window.close();
window.opener.location.search = '?oauth_token='+b+'&oauth_verifier='+a;
}
</script>
<a href="javascript:;" onClick="twitter();">Open Window</a>
<?php
echo '
<a href="?action=twitter">Register Twitter</a><br />
<form action="login.php" method="post">
<input type="submit" name="logout" value="Log Out"/>
</form>
';
if(isset($_POST['logout']))
{
unset($_SESSION['login']);
unset($_SESSION['konektovan']);
session_unset();
header( "refresh:1;url=index.php" );
}
if(isset($_GET['action'])=="twitter")
{
$t = new Twitter();
$t->twitterLogin();
}
if(!empty($_GET['oauth_verifier']) && !empty($_SESSION['oauth_token']) && !empty($_SESSION['oauth_token_secret']))
{
echo '<script type="text/javascript">callTwitter();
</script>';
echo 'Uspesno konektovanje sa twitterom';
}
?>
Twitter funckija
<?php
include_once("db.class.php");
include_once("twitteroauth.php");
class Twitter
{
function twitterLogin()
{
// The TwitterOAuth instance
$twitteroauth = new TwitterOAuth('uAVGfCIg9YqVhrmd5Rq1w', '9iqj4SBerAbcJ0uUnnbaAZn2o9OPFiTmIE9VVErJRy0');
// Requesting authentication tokens, the parameter is the URL we will be redirected to
$request_token = $twitteroauth->getRequestToken('http://localhost/sea/login.php');
// Saving them into the session
$_SESSION['oauth_token'] = $request_token['oauth_token'];
$_SESSION['oauth_token_secret'] = $request_token['oauth_token_secret'];
// If everything goes well..
if($twitteroauth->http_code==200)
{
// Let's generate the URL and redirect
$url = $twitteroauth->getAuthorizeURL($request_token['oauth_token']);
$_SESSION['konektovan'] = "Konektovan";
header('Location: '. $url);
} else
{
// It's a bad idea to kill the script, but we've got to know when there's an error.
die('Something wrong happened.');
}
}
function registerTwitter($username)
{
$config = new config("localhost", "root", "", "seadb", "sea_", "mysql");
$db = new Db($config);
$db->openConnection();
if($db->pingServer() == true)
{
$sql = $db->query("INSERT INTO {twitter}(id) SELECT id FROM {user} WHERE username='".$username."'");
}
}
}
?>
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