CodeIgniter insert_id()

$this->db->insert_id();

$this->diger_db()->insert_id();

$this->digerdb()->query("...");

$this->digerdb()->query("...");

$this->diger_db()->insert('datalar',$datalar);

object(CI_DB_mysqli_driver)[18]
  public 'dbdriver' => string 'mysqli' (length=6)
  public '_escape_char' => string '`' (length=1)
  public '_like_escape_str' => string '' (length=0)
  public '_like_escape_chr' => string '' (length=0)
  public '_count_string' => string 'SELECT COUNT(*) AS ' (length=19)
  public '_random_keyword' => string ' RAND()' (length=7)
  public 'delete_hack' => boolean true
  public 'use_set_names' => boolean false
  public 'ar_select' => 
    array (size=0)
      empty
  public 'ar_distinct' => boolean false
  public 'ar_from' => 
    array (size=0)
      empty
  public 'ar_join' => 
    array (size=0)
      empty
  public 'ar_where' => 
    array (size=0)
      empty
  public 'ar_like' => 
    array (size=0)
      empty
  public 'ar_groupby' => 
    array (size=0)
      empty
  public 'ar_having' => 
    array (size=0)
      empty
  public 'ar_keys' => 
    array (size=0)
      empty
  public 'ar_limit' => boolean false
  public 'ar_offset' => boolean false
  public 'ar_order' => boolean false
  public 'ar_orderby' => 
    array (size=0)
      empty
  public 'ar_set' => 
    array (size=0)
      empty
  public 'ar_wherein' => 
    array (size=0)
      empty
  public 'ar_aliased_tables' => 
    array (size=0)
      empty
  public 'ar_store_array' => 
    array (size=0)
      empty
  public 'ar_caching' => boolean false
  public 'ar_cache_exists' => 
    array (size=0)
      empty
  public 'ar_cache_select' => 
    array (size=0)
      empty
  public 'ar_cache_from' => 
    array (size=0)
      empty
  public 'ar_cache_join' => 
    array (size=0)
      empty
  public 'ar_cache_where' => 
    array (size=0)
      empty
  public 'ar_cache_like' => 
    array (size=0)
      empty
  public 'ar_cache_groupby' => 
    array (size=0)
      empty
  public 'ar_cache_having' => 
    array (size=0)
      empty
  public 'ar_cache_orderby' => 
    array (size=0)
      empty
  public 'ar_cache_set' => 
    array (size=0)
      empty
  public 'ar_no_escape' => 
    array (size=0)
      empty
  public 'ar_cache_no_escape' => 
    array (size=0)
      empty
  public 'username' => string '****' (length=4)
  public 'password' => string '****' (length=4)
  public 'hostname' => string 'localhost' (length=9)
  public 'database' => string '******' (length=8)
  public 'dbprefix' => string '' (length=0)
  public 'char_set' => string 'utf8' (length=4)
  public 'dbcollat' => string 'utf8_general_ci' (length=15)
  public 'autoinit' => boolean true
  public 'swap_pre' => string '' (length=0)
  public 'port' => string '' (length=0)
  public 'pconnect' => boolean true
  public 'conn_id' => 
    object(mysqli)[19]
      public 'affected_rows' => null
      public 'client_info' => null
      public 'client_version' => null
      public 'connect_errno' => null
      public 'connect_error' => null
      public 'errno' => null
      public 'error' => null
      public 'error_list' => null
      public 'field_count' => null
      public 'host_info' => null
      public 'info' => null
      public 'insert_id' => null
      public 'server_info' => null
      public 'server_version' => null
      public 'stat' => null
      public 'sqlstate' => null
      public 'protocol_version' => null
      public 'thread_id' => null
      public 'warning_count' => null
  public 'result_id' => boolean false
  public 'db_debug' => boolean true
  public 'benchmark' => int 0
  public 'query_count' => int 0
  public 'bind_marker' => string '?' (length=1)
  public 'save_queries' => boolean true
  public 'queries' => 
    array (size=0)
      empty
  public 'query_times' => 
    array (size=0)
      empty
  public 'data_cache' => 
    array (size=0)
      empty
  public 'trans_enabled' => boolean true
  public 'trans_strict' => boolean true
  public '_trans_depth' => int 0
  public '_trans_status' => boolean true
  public 'cache_on' => boolean false
  public 'cachedir' => string '' (length=0)
  public 'cache_autodel' => boolean false
  public 'CACHE' => null
  public '_protect_identifiers' => boolean true
  public '_reserved_identifiers' => 
    array (size=1)
      0 => string '*' (length=1)
  public 'stmt_id' => null
  public 'curs_id' => null
  public 'limit_used' => null
  public 'stricton' => boolean false

$this->diger_db()->insert('datalar',$data);
var_dump($this->diger_db());

$sirket     =   $this->ana_veri()
                        ->select('*')
                        ->from('veritabanlari')
                        ->where('id',$this->encrypt->decode($this->cook(1), $this->cook(0)))
                        ->get()->row_array();

        $diger_db['hostname'] = $sirket['hostname'];
        $diger_db['username'] = $sirket['db_kullanici_adi'];
        $diger_db['password'] = $sirket['db_sifre'];
        $diger_db['database'] = $sirket['db_adi'];