original_string: public function load_for_cache($key) {
          $message = api::get_most_recent_conversation_message($key);
  
          if ($message) {
              return $message->timecreated;
          } else {
              return null;
          }
      }
code: public function load_for_cache($key) {
          $message = api::get_most_recent_conversation_message($key);
  
          if ($message) {
              return $message->timecreated;
          } else {
              return null;
          }
      }
code_tokens: public function load_for_cache ( $ key ) { $ message = api :: get_most_recent_conversation_message ( $ key ) ; if ( $ message ) { return $ message -> timecreated ; } else { return null ; } }
docstring: Loads the data for the key provided ready formatted for caching.
  
  @param string|int $key The key to load.
  @return mixed What ever data should be returned, or false if it can't be loaded.
docstring_tokens: Loads the data for the key provided ready formatted for caching .