PHP

row count in codeigniter

$this->db->where('EmpID >=', 5);
$query = $this->db->get('Employees');
echo $query->num_rows();

// Outputs, 4

codeigniter count rows

$this->db
  ->where(['field'=>'foo'])
  ->from("tablename")
  ->count_all_results();

//OR 
$this->db
  ->where(['field'=>'foo'])
  ->count_all_results("tablename");

get number of rows in codeigniter model

function data_model() {
    $this->db->select('*');
    $this->db->from('news_data');
    $id = $this->db->get()->num_rows();
    return $id;
}