Club Drupal

<?php

/**

 * @file

 * Builds placeholder replacement tokens for feed-related data.

 */

/**

 * Implements hook_token_info().

 */

function feeds_token_info() {

  // @todo This token could be for any entity type.

  $info['tokens']['node']['feed-source'] = array(

    'name' => t('Feed source'),

    'description' => t('The node the feed item was sourced from.'),

    'type' => 'node',

  );

  return $info;

}

/**

 * Implements hook_tokens().

 */

function feeds_tokens($type, $tokens, array $data, array $options) {

  $replacements = array();

  if ($type == 'node' && !empty($data['node']) && !empty($data['node']->nid)) {

    $sanitize = !empty($options['sanitize']);

    $feed_source_tokens = token_find_with_prefix($tokens, 'feed-source');

    $feed_source_token_exists = array_key_exists('feed-source', $tokens);

    if (empty($feed_source_tokens) && !$feed_source_token_exists) {

      return $replacements;

    }

    $feed_nid = feeds_get_feed_nid($data['node']->nid, 'node');

    if ($feed_nid && $feed_source = node_load($feed_nid)) {

      if (isset($tokens['feed-source'])) {

        $replacements[$tokens['feed-source']] = $sanitize ? check_plain($feed_source->title) : $feed_source->title;

      }

      // Chained node token relationships.

      if (!empty($feed_source_tokens)) {

        $replacements += token_generate('node', $feed_source_tokens, array('node' => $feed_source), $options);

      }

    }

  }

  return $replacements;

}