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