function _loadMD5 in Bibliography Module 7

Same name and namespace in other branches

1. 6 biblio.contributors.inc \_loadMD5()
2. 7.2 includes/biblio.contributors.inc \_loadMD5()

File

includes/biblio.contributors.inc, line 671

Code

function _loadMD5() {
  static $md5 = array();
  static $count = 0;
  $db_count = db_query("SELECT COUNT(*) FROM {biblio_contributor_data}")
    ->fetchField();

  // Refresh the cached data as some new authors may have been added or removed.
  if ($db_count != $count) {
    $count = $db_count;
    $md5 = array();
    $result = db_query('SELECT md5,cid  FROM {biblio_contributor_data} ');
    foreach ($result as $row) {
      $md5[$row->cid] = $row->md5;
    }
  }
  return count($md5) ? $md5 : NULL;
}