Getting the URL from the parent window when you use a popup. This small Example code might help you to get the url from the parent window this can be used normal windows also
if(isset($_SERVER['HTTP_REFERER']))
{
$strPrevScheme = parse_url($_SERVER['HTTP_REFERER'], PHP_URL_SCHEME);
{
$strPrevScheme = parse_url($_SERVER['HTTP_REFERER'], PHP_URL_SCHEME);
$strPrevHost = parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST);
$strPrevPath = parse_url($_SERVER['HTTP_REFERER'], PHP_URL_PATH);
$strPrevURL = urlencode($strPrevScheme.'://'.$strPrevHost.$strPrevPath);
}
}
the parse_url(url) gives the following array
Array
(
[scheme] => http
[host] => hostname
[user] => username
[pass] => password
[path] => /path
[query] => arg=value
[fragment] => anchor
)
reference - http://in2.php.net/manual/en/function.parse-url.php