社区(phpmysql)三

function prev_subj($id){ $DROOT=getenv(‘DOCUMENT_ROOT’); include("sql.php3"); $db=mysql_connect($sql[‘host’], $sql[‘user’] , $sql[‘passwd’]); $qstr="select id,aid from bbs_subj where id=’$id’"; $rs=mysql_db_query($sql[‘db’],$qstr); $row=mysql_fetch_array($rs); $aid=$