original_string: public function get($key, $default = null)
      {
          if (isset($this->contents[$key])) {
              return $this->contents[$key];
          }
          return $default;
      }
code: public function get($key, $default = null)
      {
          if (isset($this->contents[$key])) {
              return $this->contents[$key];
          }
          return $default;
      }
code_tokens: public function get ( $ key , $ default = null ) { if ( isset ( $ this -> contents [ $ key ] ) ) { return $ this -> contents [ $ key ] ; } return $ default ; }
docstring: Get value for key
  
  @param string $key
  @param mixed $default Default value returned when key doesn't exists.
  @return mixed
docstring_tokens: Get value for key