function biblio_pm_check_md5 in Bibliography Module 6

Same name and namespace in other branches

1. 6.2 modules/pubmed/biblio_pm.module \biblio_pm_check_md5()
2. 7 modules/pubmed/biblio_pm.module \biblio_pm_check_md5()
3. 7.2 modules/pubmed/biblio_pm.module \biblio_pm_check_md5()

1 call to biblio_pm_check_md5()

_biblio_pm_create_node_from_xml in pubmed/biblio_pm.module

File

pubmed/biblio_pm.module, line 206

Code

function biblio_pm_check_md5($md5) {
  static $pm_md5s = array();
  if (empty($pm_md5s)) {
    $result = db_query("SELECT * FROM {biblio_pubmed} ");
    while ($row = db_fetch_object($result)) {
      $pm_md5s[$row->biblio_pubmed_md5] = $row->nid;
    }
  }
  if (isset($pm_md5s[$md5])) {
    return $pm_md5s[$md5];
  }
  else {
    $pm_md5s[$md5] = TRUE;

    // gaurd against duplicates in the same import
    return;
  }
}