return number of rows in codeigniter code example
Example 1: codeigniter count rows
$this->db
->where(['field'=>'foo'])
->from("tablename")
->count_all_results();
//OR
$this->db
->where(['field'=>'foo'])
->count_all_results("tablename");
Example 2: codeigniter get num_rows
// num rows example
$this->db->select('*');
$this->db->where('whatever');
$query = $this->db->get('table');
$num = $query->num_rows();