original_string: public function get($type, $key)
      {
          if (array_key_exists($key, self::$store)) {
              //TODO: implement expiration check
              // implement data type check?
              return self::$store[$key]['value'];
          }
          return null;
      }
code: public function get($type, $key)
      {
          if (array_key_exists($key, self::$store)) {
              //TODO: implement expiration check
              // implement data type check?
              return self::$store[$key]['value'];
          }
          return null;
      }
code_tokens: public function get ( $ type , $ key ) { if ( array_key_exists ( $ key , self :: $ store ) ) { //TODO: implement expiration check // implement data type check? return self :: $ store [ $ key ] [ 'value' ] ; } return null ; }
docstring: Retrieve a value from the data store.
  
  @param string $type The data type.
  @param string $key The key.
  
  @return mixed|null The value.
docstring_tokens: Retrieve a value from the data store .