$psqlcon = pg_connect("host=".$host." port=".$port." dbname=multi user=".$usr." password=".$pwd);
  
    if (!$psqlcon) die("NO");
    
  foreach($type as $typek=>$typev){
    foreach($typev as $typevv){
      $regsql = " select count(distinct(Id)) as cnt from userlog19_".$dayshort." where limitinfo @> "."'$jsonlimit'".';';
      $reginfores = pg_query($psqlcon,$regsql);
      $actinfo = pg_fetch_assoc($actinfores);
      $testdata[$daylang][$typevv]['regnum'] = $reginfo['cnt'];
    }
  }
  
  pg_close($psqlcon);
  
  
网上查了一点资料说