how to get total count of records in codeigniter code example

Example 1: row count in codeigniter

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

// Outputs, 4

Example 2: count all results codeigniter

$this->db->select('id');
$this->db->from('table');
$this->db->where($your_conditions);
$num_results = $this->db->count_all_results();