this- db- where codeigniter code example
Example 1: codeigniter where_not_in
$names = array('Frank', 'Todd', 'James');
$this->db->where_not_in('username', $names);
Example 2: codeigniter where order by
$this->db->select('ae_users.employee_id, ae_users.emp_name, ae_users.emp_name2, ae_users.emp_name3');
$this->db->from('ae_users');
$this->db->where_in('ae_users.employee_id',$employee_ids);
$this->db->_protect_identifiers = FALSE;
$order = sprintf('FIELD(ae_users.employee_id, %s)', implode(', ', $employee_ids));
$this->db->order_by($order);
$this->db->_protect_identifiers = TRUE;
$query =$this->db->get();
if ($query->num_rows()) {
return $query->result_array();
} else {
return 0;
}