function biblio_pm_check_md5 in Bibliography Module 7

Same name and namespace in other branches

1. 6.2 modules/pubmed/biblio_pm.module \biblio_pm_check_md5()
2. 6 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 modules/pubmed/biblio_pm.module

File

modules/pubmed/biblio_pm.module, line 525

Code

function biblio_pm_check_md5($pmid, $md5) {
  static $pm_md5s = array();
  static $pm_nids = array();
  if (empty($pm_md5s)) {
    $result = db_query("SELECT * FROM {biblio_pubmed} ");
    foreach ($result as $row) {
      $pm_md5s[$row->biblio_pubmed_md5] = $row->nid;
      $pm_nids[$row->biblio_pubmed_id] = $row->nid;
    }
  }

  // Must be an exact duplicate of an existing node (return the nid)
  if (isset($pm_nids[$pmid]) && isset($pm_md5s[$md5])) {
    return $pm_md5s[$md5];
  }
  elseif (isset($pm_nids[$pmid]) && !isset($pm_md5s[$md5])) {
    return -$pm_nids[$pmid];
  }
  else {

    // Gaurd against duplicates in the same import.
    $pm_md5s[$md5] = TRUE;
    $pm_nids[$pmid] = TRUE;
    return;
  }
}