original_string: public function getDafaultLogger () {
      if (null === $this->root) {
        $this->root = new HierarchialLogger(null);
      }
      return $this->root;
    }
code: public function getDafaultLogger () {
      if (null === $this->root) {
        $this->root = new HierarchialLogger(null);
      }
      return $this->root;
    }
code_tokens: public function getDafaultLogger ( ) { if ( null === $ this -> root ) { $ this -> root = new HierarchialLogger ( null ) ; } return $ this -> root ; }
docstring: Get the default logger.
  
  Must return the same logger instance on each call.
  
  @return LoggerInterface
docstring_tokens: Get the default logger .