Tumblr image scrape

scrape.php

<?php

$offset = 0;
$count = 50;
$domain = $argv[1];
$tagged = isset($argv[2]) ? $argv[2] : false;

$api = 'http://' . $domain . '.tumblr.com/api/read/json?debug=1&num=' . $count . ($tagged ? '&tagged=' . $tagged : '');

function scrape ($api, $count, $offset) {
  $endpoint = $api . '&start=' . ($count * $offset);
  $json = json_decode(file_get_contents($endpoint));
  if (count($json->posts)) {
    foreach($json->posts as $post) {
      $post = (array) $post;
      if (isset($post['photos'])) { 
        foreach ($post['photos'] as $image) {
          $image = (array) $image;
          $url = $image['photo-url-1280'];
          $filename = basename($url);
          $img = file_get_contents($url); // get the image from the url
          file_put_contents($filename, $img); // create a file
        }
      }
    }

    scrape($api, $count, $offset + 1);
  }
}

scrape($api, $count, $offset);

usage

# from command line, will scrape tumblr-name.tumblr.com for all images:
$ php scrape.php tumblr-name

# optionally pass a tag to filter by:
$ php scrape.php tumblr-name tag