get flickr user images

<?php
// download all flickr images from a given userid
// userid is embedded in this url
$key = "enterkeyhere";
$url = "https://api.flickr.com/services/rest/?method=flickr.people.getPhotos&api_key=".$key."&user_id=120759744%40N07&per_page=80&page=";
$append = "&format=json&nojsoncallback=1";

for($i=1; $i<4; $i++){  // 3 pages of 80 images
        $uri = $url.$i.$append;

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_URL,$uri);
        $result=curl_exec($ch);

        $stuff = json_decode($result,true);
        date_default_timezone_set("Europe/London");

        foreach($stuff['photos']['photo'] as &$photo){
                // image url is http://farm{farm-id}.staticflickr.com/{server-id}/{id}_{secret}.jpg
                $farmid= $photo['farm'];
                $serverid= $photo['server'];
                $id= $photo['id'];
                $secret= $photo['secret'];
                $title= $photo['title'];
                $timestamp = strtotime($title);
                printf("\n%s",$timestamp);
                $imageurl = "http://farm".$farmid.".staticflickr.com/".$serverid."/".$id."_".$secret."_b.jpg";
                printf("\n%s",$imageurl);
                $output = '/tmp/flickrcam/'.$timestamp.'.jpg';
                file_put_contents($output, file_get_contents($imageurl));
        }
}
?>