How to save save user's facebook profile picture to my domain/website data using php

<?php$image = file_get_contents('https://graph.facebook.com/100003027438870/picture'); // sets $image to the contents of the urlfile_put_contents('/path/image.gif', $image); // places the contents in the file /path/image.gif?>

curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);function curl_redir_exec($ch)    {        static $curl_loops = 0;        static $curl_max_loops = 20;        if ($curl_loops++ >= $curl_max_loops)        {            $curl_loops = 0;            return FALSE;        }        curl_setopt($ch, CURLOPT_HEADER, true);        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);        $data = curl_exec($ch);        @list($header, $data) = @explode("\n\n", $data, 2);        $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);        if ($http_code == 301 || $http_code == 302)        {            $matches = array();            preg_match('/Location:(.*?)\n/', $header, $matches);            $url = @parse_url(trim(array_pop($matches)));            if (!$url)            {                //couldn't process the url to redirect to                $curl_loops = 0;                return $data;            }            $last_url = parse_url(curl_getinfo($ch, CURLINFO_EFFECTIVE_URL));            if (!$url['scheme'])                $url['scheme'] = $last_url['scheme'];            if (!$url['host'])                $url['host'] = $last_url['host'];            if (!$url['path'])                $url['path'] = $last_url['path'];            $new_url = $url['scheme'] . '://' . $url['host'] . $url['path'] . (@$url['query']?'?'.$url['query']:'');            return $new_url;        } else {            $curl_loops=0;            return $data;        }    }    function get_right_url($url) {        $curl = curl_init($url);        curl_setopt($curl, CURLOPT_HEADER, false);        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);        return curl_redir_exec($curl);    }    $url = 'http://graph.facebook.com/' . $fbid . '/picture?type=large';    $file_handler = fopen('img/avatar/'.$fbid.'.jpg', 'w');    $curl = curl_init(get_right_url($url));    curl_setopt($curl, CURLOPT_FILE, $file_handler);    curl_setopt($curl, CURLOPT_HEADER, false);    curl_exec($curl);    curl_close($curl);    fclose($file_handler);