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PROBLEM SOLVED!!!!!!!!!!
I went to the mainfile.php and switched the XOOPS_DB_PCONNECT flag from 0 to 1.
OK, back in business, thanks for helping, and I even learnt some new xoopscode. One question:
le="color: #000000"><?php $uid = 10; $member_handler =& xoops_gethandler('member'); $user =& $member_handler->getUser($uid); $uname = $user->getVar('uname');
... is more code to write than...
le="color: #000000"><?php $uid = 10; $user = new XoopsUser($uid); $uname = $user->getVar('uname');
... but should I do it anyway? Does the latter way put a heavier load on the server?