is location

function isLocation($url,$returnBaseUrl= false){
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_NOBODY, 1);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_MAXREDIRS, 3);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch,CURLOPT_CONNECTTIMEOUT ,5);
    curl_setopt($ch,CURLOPT_TIMEOUT, 15);
    curl_exec($ch);
    $redirectUrl = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
    curl_close($ch);

    if (($redirectUrl == $url) && !$returnBaseUrl) {
        return false;
    } 
    return $redirectUrl;    
}