http://www.joedolson.com/Search-Engine-in-PHP-MySQL.php
I hope It may help someone!
// Search $modversion['hasSearch'] = 1;
$modversion['search']['file'] = "include/search.inc.php";
$modversion['search']['func'] = "smartpartner_search";
if (strlen($q) >= $xoopsConfigSearch['keyword_min']) { $queries[] = $myts->addSlashes($q);
if (strlen($q) >= $xoopsConfigSearch['keyword_min'] && !in_array(strtolower($q), $ignore)) { $queries[] = $myts->addSlashes($q);