if ( !empty($HTTP_POST_VARS['user_bio']) ) {
$criteria->add(new Criteria('user_bio', '%'.$myts->addSlashes(trim($HTTP_POST_VARS['user_bio'])).'%', 'LIKE'));
}

if ( !empty($HTTP_POST_VARS['user_bio']) ) {
$match = (!empty($HTTP_POST_VARS['user_bio_match'])) ? intval($HTTP_POST_VARS['user_bio_match']) : XOOPS_MATCH_CONTAIN;
switch ($match) {
case XOOPS_MATCH_START:
$criteria->add(new Criteria('bio', $myts->addSlashes(trim($HTTP_POST_VARS['user_bio'])).'%', 'LIKE'));
break;
case XOOPS_MATCH_END:
$criteria->add(new Criteria('bio', '%'.$myts->addSlashes(trim($HTTP_POST_VARS['user_bio'])).'%', 'LIKE'));
break;
case XOOPS_MATCH_EQUAL:
$criteria->add(new Criteria('bio', $myts->addSlashes(trim($HTTP_POST_VARS['user_bio']))));
break;
case XOOPS_MATCH_CONTAIN:
$criteria->add(new Criteria('bio', '%'.$myts->addSlashes(trim($HTTP_POST_VARS['user_bio'])).'%', 'LIKE'));
break;
}
}