function flickr_get_info_by_url in Flickr 6

Given the URL to a flickr asset (set or photo), return info about that asset.

Parameters

string $url: The URL to the flickr asset, e.g. as returned by flickr_photoset_page_url() or flickr_photo_page_url().

Return value

mixed string - If $url was empty or invalid, or Flickr API could not locate asset info, return an error string. array - Otherwise, return the info array from flickr_photoset_get_info() or flickr_photo_get_info() as applicable.

1 call to flickr_get_info_by_url()

flickrfield_field in field/flickrfield.module

File

./flickr.inc, line 286

Code

function flickr_get_info_by_url($url, $reset = FALSE) {
  static $urls;

  // Don't bother checking the same URL twice in a single page request.
  if ($urls[$url] && !$reset) {
    return $urls[$url];
  }
  if (empty($url)) {
    $urls[$url] = t('Please enter a valid Flickr URL.');
    return $urls[$url];
  }
  if (!valid_url($url)) {
    $urls[$url] = t('Please enter a valid Flickr URL.');
    return $urls[$url];
  }

  // Prepend the protocol if it's not there, so we can use parse_url().
  if (strpos($url, 'http') !== 0) {
    $url = 'https://' . $url;
  }
  $parts = parse_url($url);
  if (strpos($parts['host'], 'flickr') === FALSE) {
    $urls[$url] = t('Please enter a valid Flickr URL.');
    return $urls[$url];
  }

  // Now, we only care about the path. Sanity-check the number of path elements.
  $parts = explode('/', trim($parts['path'], '/'));
  if (count($parts) < 3 || $parts[2] == 'sets' && count($parts) < 4) {
    $urls[$url] = t('Unable to retrieve Flickr image or set. Please check the URL.');
    return $urls[$url];
  }

  // Now that we're reasonably sure the URL is the correct format, see if the
  // API can tell us about the asset.
  if ($parts[2] == 'sets') {
    $set_id = $parts[3];
    $info = flickr_photoset_get_info($set_id);
    $urls[$url] = $info ? $info : t('Unable to retrieve Flickr image or set. Please check the URL.');
    return $urls[$url];
  }
  else {
    $img_id = $parts[2];
    $info = flickr_photo_get_info($img_id);
    $urls[$url] = $info ? $info : t('Unable to retrieve Flickr image or set. Please check the URL.');
    return $urls[$url];
  }
}