PHP Decode

<?php 
 
class Properties_model extends CI_Model { 
 
    private $select = FALSE; 
    private $sorted = FALSE; 
 
    public function __construct(){ 
        // Call the CI_Model constructor 
        parent::__construct(); 
    } 
 
    public function insert($insert){ 
        $user_info = $this->authenticate->isLoggedIn(); 
 
        $result = $this->db->insert(dbProPerties::TABLE, $insert); 
        if($result){ 
            return $this->db->insert_id(); 
        } 
        return FALSE; 
    } 
 
    public function update($update, $initial_data){ 
        $this->db->where(dbProPerties::ID, $initial_data[dbProPerties::ID]); 
        $result = $this->db->update(dbProPerties::TABLE, $update); 
        if($result) 
            return $initial_data[dbProPerties::ID]; 
        return FALSE; 
    } 
 
    public function filter_department_id(){ 
        $this->db->start_cache(); 
        $this->db->where(dbProPerties::TABLE.".".dbProPerties::TITLE, $_SESSION['dept_id']); 
        $this->db->stop_cache(); 
    } 
 
    public function filter_search_title($keyword){ 
        $this->db->start_cache(); 
        $this->db->like(dbProPerties::TITLE, $keyword); 
        $this->db->stop_cache(); 
    } 
 
    public function count_rows(){ 
        return $this->db->count_all_results(dbProPerties::TABLE); 
    } 
 
    public function all_rows($limit = "", $start = ""){ 
        return self::_get_data(TRUE, $limit, $start); 
    } 
 
    public function get_detail($id){ 
        $this->db->start_cache(); 
        $this->db->where(dbProPerties::TABLE.".".dbProPerties::ID, $id); 
        $this->db->stop_cache(); 
        return self::_get_data(FALSE, 1); 
    } 
 
 
    private function _get_data($all_rows = TRUE, $limit = "", $start = ""){ 
        if(!$this->select) 
            $this->db->select(dbProperties::TABLE.".*, ".dbUser::TABLE.".".dbUser::EMAIL.",".dbUser::TABLE.".".dbUser::MOBILE); 
        $this->db->join(dbUser::TABLE, dbUser::TABLE.".".dbUser::LOGIN_ID."=".dbProperties::TABLE.".".dbProperties::USER_ID); 
        if(!$this->sorted) 
            $this->db->order_by(dbProPerties::TABLE.".".dbProPerties::TITLE, "ASC"); 
        $result = $this->db->get(dbProPerties::TABLE, $limit, $start); 
        $this->select = FALSE; 
        $this->sorted = FALSE; 
        $this->db->flush_cache(); 
        if($all_rows) 
            return $result->result_array(); 
        else if($result->num_rows() > 0) { 
            return $result->row_array(); 
        } 
        else 
            return FALSE; 
    } 
 
    public function delete($primary_id){ 
        $initial_data = self::get_detail($primary_id); 
        if(!$initial_data) 
            show_404(); 
 
        $this->db->where(dbProPerties::ID, $initial_data[dbProPerties::ID]); 
        return $this->db->delete(dbProPerties::TABLE); 
    } 
 
    public function get_userid($id){ 
        $this->db->start_cache(); 
        $this->db->where(dbProPerties::TABLE.".".dbProPerties::USER_ID, $id); 
        $this->db->stop_cache(); 
    } 
} ?>