original_string: public function change(string $db): self
    {
      if ( $this->language->change($db) ){
        $this->current = $db;
      }
      return $this;
    }
code: public function change(string $db): self
    {
      if ( $this->language->change($db) ){
        $this->current = $db;
      }
      return $this;
    }
code_tokens: public function change ( string $ db ) : self { if ( $ this -> language -> change ( $ db ) ) { $ this -> current = $ db ; } return $ this ; }
docstring: Changes the database used to the given one.
  
  ```php
  $db = new db();
  x::dump($db->change('db_example'));
  // (db)
  ```
  
  @param string $db The database's name
  @return self
docstring_tokens: Changes the database used to the given one .