original_string: public function read($key = null)
      {
          $this->_load($key);
  
          return Hash::get($this->_values, $key);
      }
code: public function read($key = null)
      {
          $this->_load($key);
  
          return Hash::get($this->_values, $key);
      }
code_tokens: public function read ( $ key = null ) { $ this -> _load ( $ key ) ; return Hash :: get ( $ this -> _values , $ key ) ; }
docstring: Read the value of key path from request cookies.
  
  This method will also allow you to read cookies that have been written in this
  request, but not yet sent to the client.
  
  @param string|null $key Key of the value to be obtained.
  @return string or null, value for specified key
docstring_tokens: Read the value of key path from request cookies .