codeigniter crud example using jQuery /ajax
Example: codeigniter ajax crud using datatables
<?php
class Crud_model extends CI_Model
{
var $table = "users";
var $select_column = array("id", "first_name", "last_name", "image");
var $order_column = array(null, "first_name", "last_name", null, null);
function make_query()
{
$this->db->select($this->select_column);
$this->db->from($this->table);
if(isset($_POST["search"]["value"]))
{
$this->db->like("first_name", $_POST["search"]["value"]);
$this->db->or_like("last_name", $_POST["search"]["value"]);
}
if(isset($_POST["order"]))
{
$this->db->order_by($this->order_column[$_POST['order']['0']['column']], $_POST['order']['0']['dir']);
}
else
{
$this->db->order_by('id', 'DESC');
}
}
function make_datatables(){
$this->make_query();
if($_POST["length"] != -1)
{
$this->db->limit($_POST['length'], $_POST['start']);
}
$query = $this->db->get();
return $query->result();
}
function get_filtered_data(){
$this->make_query();
$query = $this->db->get();
return $query->num_rows();
}
function get_all_data()
{
$this->db->select("*");
$this->db->from($this->table);
return $this->db->count_all_results();
}
function insert_crud($data)
{
$this->db->insert('users', $data);
}
function fetch_single_user($user_id)
{
$this->db->where("id", $user_id);
$query=$this->db->get('users');
return $query->result();
}
function update_crud($user_id, $data)
{
$this->db->where("id", $user_id);
$this->db->update("users", $data);
}
}