contagem de fileiras no codeigniter
$this->db->where('EmpID >=', 5);
$query = $this->db->get('Employees');
echo $query->num_rows();
// Outputs, 4
Rich Rhinoceros
$this->db->where('EmpID >=', 5);
$query = $this->db->get('Employees');
echo $query->num_rows();
// Outputs, 4
$this->db->select('id');
$this->db->from('table');
$this->db->where($your_conditions);
$num_results = $this->db->count_all_results();