function linkchecker_update_7007 in Link checker 7

Upgrade blacklisted internal filter names.

File

./linkchecker.install, line 354

Installation file for Link Checker module.

Code

function linkchecker_update_7007() {

  // Available D7 filters (12/30/2011):
  //
  // - Line break converter, https://drupal.org/project/drupal
  //     name: filter_autop (D6: filter/1)
  // - Insert block, https://drupal.org/project/insert_block
  //     name: insert_block (D6 insert_block/0)
  //     tags: [block:name of module=delta of block]
  // - Insert view filter, https://drupal.org/project/insert_view
  //     name: insert_view (D6: insert_view/0)
  // See core filter_update_7003();
  // Get an array of the renamed filter deltas, organized by module.
  $renamed_deltas = array(
    'filter' => array(
      '0' => 'filter_html',
      '1' => 'filter_autop',
      '2' => 'filter_url',
      '3' => 'filter_htmlcorrector',
      '4' => 'filter_html_escape',
    ),
    'php' => array(
      '0' => 'php_code',
    ),
    'gotwo' => array(
      '0' => 'gotwo',
    ),
    'insert_block' => array(
      '0' => 'insert_block',
    ),
    'insert_view' => array(
      '0' => 'insert_view',
    ),
    'smileys' => array(
      '0' => 'smileys',
    ),
  );

  // Manually load the linkchecker.module file or the constant may not defined.
  drupal_load('module', 'linkchecker');
  $linkchecker_filter_blacklist = variable_get('linkchecker_filter_blacklist', explode('|', LINKCHECKER_DEFAULT_FILTER_BLACKLIST));
  $linkchecker_filter_blacklist = array_values($linkchecker_filter_blacklist);
  $linkchecker_filter_blacklist = array_filter($linkchecker_filter_blacklist);

  // Loop through each filter and make changes to the core filter name.
  foreach ($renamed_deltas as $module => $deltas) {
    foreach ($deltas as $old_delta => $new_name) {
      if (in_array($module . '/' . $old_delta, $linkchecker_filter_blacklist)) {
        $id = array_search($module . '/' . $old_delta, $linkchecker_filter_blacklist);
        $linkchecker_filter_blacklist = array_replace($linkchecker_filter_blacklist, array(
          $id => $new_name,
        ));
      }
    }
  }
  $linkchecker_filter_blacklist = drupal_map_assoc($linkchecker_filter_blacklist);
  variable_set('linkchecker_filter_blacklist', $linkchecker_filter_blacklist);

  // This is not a 100% solution, but we tried the best... tell the admin.
  return t('Updated the blacklisted internal filter names from Drupal 6 to Drupal 7. The update has only updated the blacklisted filters linkchecker is aware of. Please review the "Filters disabled for link extraction" settings, if all filters with <em>references</em> to other content are still disabled.');
}