UserModel::search PHP Method

    public function search($Filter, $OrderFields = '', $OrderDirection = 'asc', $Limit = false, $Offset = false)
    {
        $Optimize = false;
        if (is_array($Filter)) {
            $Where = $Filter;
            $Keywords = $Where['Keywords'];
            $Optimize = val('Optimize', $Filter);
            unset($Where['Keywords'], $Where['Optimize']);
        } else {
            $Keywords = $Filter;
        }
        $Keywords = trim($Keywords);
        // Check for an IP address.
        if (preg_match('`\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}`', $Keywords)) {
            $IPAddress = $Keywords;
        } elseif (strtolower($Keywords) == 'banned') {
            $this->SQL->where('u.Banned >', 0);
            $Keywords = '';
        } elseif (preg_match('/^\\d+$/', $Keywords)) {
            $numericQuery = $Keywords;
            $Keywords = '';
        } else {
            // Check to see if the search exactly matches a role name.
            $RoleID = $this->SQL->getWhere('Role', ['Name' => $Keywords])->value('RoleID');
        }
        $this->userQuery();
        if (isset($Where)) {
            $this->SQL->where($Where);
        }
        if (!empty($RoleID)) {
            $this->SQL->join('UserRole ur2', "u.UserID = ur2.UserID and ur2.RoleID = {$RoleID}");
        } elseif (isset($IPAddress)) {
            $fields = ['LastIPAddress'];
            $this->addIpFilters($IPAddress, $fields);
        } elseif (isset($numericQuery)) {
            // We've searched for a number. Return UserID AND any exact numeric name match.
            $this->SQL->beginWhereGroup()->where('u.UserID', $numericQuery)->orWhere('u.Name', $numericQuery)->endWhereGroup();
        } elseif ($Keywords) {
            if ($Optimize) {
                // An optimized search should only be done against name OR email.
                if (strpos($Keywords, '@') !== false) {
                    $this->SQL->like('u.Email', $Keywords, 'right');
                } else {
                    $this->SQL->like('u.Name', $Keywords, 'right');
                }
            } else {
                // Search on the user table.
                $Like = ['u.Name' => $Keywords, 'u.Email' => $Keywords];
                $this->SQL->orOp()->beginWhereGroup()->orLike($Like, '', 'right')->endWhereGroup();
            }
        }
        // Optimized searches need at least some criteria before performing a query.
        if ($Optimize && $this->SQL->whereCount() == 0 && empty($RoleID)) {
            $this->SQL->reset();
            return new Gdn_DataSet([]);
        }
        $Data = $this->SQL->where('u.Deleted', 0)->orderBy($OrderFields, $OrderDirection)->limit($Limit, $Offset)->groupBy('u.UserID')->get();
        $Result =& $Data->result();
        foreach ($Result as &$Row) {
            if ($Row->Photo && !isUrl($Row->Photo)) {
                $Row->Photo = Gdn_Upload::url(changeBasename($Row->Photo, 'n%s'));
            }
            $Row->Attributes = dbdecode($Row->Attributes);
            $Row->Preferences = dbdecode($Row->Preferences);
        }
        return $Data;
    }

 public function noneedhelp($id = null)
 {
     $this->load->model('UserModel');
     $user = new UserModel();
     $data = $user->search($id);
     if ($data['help'] === '0') {
         return true;
     } else {
         redirect(base_url('help'));
     }
 }