original_string: public function get_update(array $cfg): string
    {
      $cfg['kind'] = 'UPDATE';
      return $this->language->get_update($this->process_cfg($cfg));
    }
code: public function get_update(array $cfg): string
    {
      $cfg['kind'] = 'UPDATE';
      return $this->language->get_update($this->process_cfg($cfg));
    }
code_tokens: public function get_update ( array $ cfg ) : string { $ cfg [ 'kind' ] = 'UPDATE' ; return $ this -> language -> get_update ( $ this -> process_cfg ( $ cfg ) ) ; }
docstring: Returns the SQL code for an UPDATE statement.
  
  ```php
  \bbn\x::dump($db->get_update([
  'tables' => ['table_users'],
  'fields' => ['name','surname']
  ]));
  /*
  (string)
  UPDATE `db_example`.`table_users`
  SET `table_users`.`name` = ?,
  `table_users`.`surname` = ?
  ```
  
  @param array $cfg The configuration array
  @return string
docstring_tokens: Returns the SQL code for an UPDATE statement .