Search::getActionsFor PHP Method

    static function getActionsFor($itemtype, $field_num)
    {
        $searchopt =& self::getOptions($itemtype);
        $actions = array('contains' => __('contains'), 'searchopt' => array());
        if (isset($searchopt[$field_num])) {
            $actions['searchopt'] = $searchopt[$field_num];
            // Force search type
            if (isset($actions['searchopt']['searchtype'])) {
                // Reset search option
                $actions = array();
                $actions['searchopt'] = $searchopt[$field_num];
                if (!is_array($actions['searchopt']['searchtype'])) {
                    $actions['searchopt']['searchtype'] = array($actions['searchopt']['searchtype']);
                }
                foreach ($actions['searchopt']['searchtype'] as $searchtype) {
                    switch ($searchtype) {
                        case "equals":
                            $actions['equals'] = __('is');
                            break;
                        case "notequals":
                            $actions['notequals'] = __('is not');
                            break;
                        case "contains":
                            $actions['contains'] = __('contains');
                            break;
                        case "under":
                            $actions['under'] = __('under');
                            break;
                        case "notunder":
                            $actions['notunder'] = __('not under');
                            break;
                        case "lessthan":
                            $actions['lessthan'] = __('before');
                            break;
                        case "morethan":
                            $actions['morethan'] = __('after');
                            break;
                    }
                }
                return $actions;
            }
            if (isset($searchopt[$field_num]['datatype'])) {
                switch ($searchopt[$field_num]['datatype']) {
                    case 'count':
                    case 'number':
                        $opt = array('contains' => __('contains'), 'equals' => __('is'), 'notequals' => __('is not'), 'searchopt' => $searchopt[$field_num]);
                        // No is / isnot if no limits defined
                        if (!isset($searchopt[$field_num]['min']) && !isset($searchopt[$field_num]['max'])) {
                            unset($opt['equals']);
                            unset($opt['notequals']);
                        }
                        return $opt;
                    case 'bool':
                        return array('equals' => __('is'), 'notequals' => __('is not'), 'contains' => __('contains'), 'searchopt' => $searchopt[$field_num]);
                    case 'right':
                        return array('equals' => __('is'), 'notequals' => __('is not'), 'searchopt' => $searchopt[$field_num]);
                    case 'itemtypename':
                        return array('equals' => __('is'), 'notequals' => __('is not'), 'searchopt' => $searchopt[$field_num]);
                    case 'date':
                    case 'datetime':
                    case 'date_delay':
                        return array('equals' => __('is'), 'notequals' => __('is not'), 'lessthan' => __('before'), 'morethan' => __('after'), 'contains' => __('contains'), 'searchopt' => $searchopt[$field_num]);
                }
            }
            // switch ($searchopt[$field_num]['table']) {
            //    case 'glpi_users_validation' :
            //       return array('equals'    => __('is'),
            //                    'notequals' => __('is not'),
            //                    'searchopt' => $searchopt[$field_num]);
            // }
            switch ($searchopt[$field_num]['field']) {
                case 'id':
                    return array('equals' => __('is'), 'notequals' => __('is not'), 'searchopt' => $searchopt[$field_num]);
                case 'name':
                case 'completename':
                    $actions = array('contains' => __('contains'), 'equals' => __('is'), 'notequals' => __('is not'), 'searchopt' => $searchopt[$field_num]);
                    // Specific case of TreeDropdown : add under
                    $itemtype_linked = getItemTypeForTable($searchopt[$field_num]['table']);
                    if ($itemlinked = getItemForItemtype($itemtype_linked)) {
                        if ($itemlinked instanceof CommonTreeDropdown) {
                            $actions['under'] = __('under');
                            $actions['notunder'] = __('not under');
                        }
                        return $actions;
                    }
            }
        }
        return $actions;
    }

}
if (!defined('GLPI_ROOT')) {
    die("Can not acces directly to this file");
}
Session::checkLoginUser();
// Non define case
//print_r($_POST);
if (isset($_POST["itemtype"]) && isset($_POST["field"])) {
    $addmeta = "";
    if (isset($_POST['meta']) && $_POST['meta']) {
        $addmeta = '2';
    } else {
        $_POST['meta'] = 0;
    }
    //    echo $_POST["itemtype"]."--".$_POST["field"]."--".$_POST['searchtype'];
    $actions = Search::getActionsFor($_POST["itemtype"], $_POST["field"]);
    // is it a valid action for type ?
    if (count($actions) && (empty($_POST['searchtype']) || !isset($actions[$_POST['searchtype']]))) {
        $tmp = $actions;
        unset($tmp['searchopt']);
        $_POST['searchtype'] = key($tmp);
        unset($tmp);
    }
    //    echo $_POST["itemtype"]."--".$_POST["field"]."--".$_POST['searchtype'];
    //    printcleanArray($actions);
    $randsearch = -1;
    $dropdownname = "searchtype{$addmeta}" . $_POST["itemtype"] . $_POST["num"];
    $searchopt = array();
    if (count($actions) > 0) {
        // get already get search options
        if (isset($actions['searchopt'])) {