original_string: public function getElement($key, $element)
      {
          $cache = $this->get($key);
          if ($cache !== false && isset($cache[$element])) {
              return $cache[$element];
          }
          return false;
      }
code: public function getElement($key, $element)
      {
          $cache = $this->get($key);
          if ($cache !== false && isset($cache[$element])) {
              return $cache[$element];
          }
          return false;
      }
code_tokens: public function getElement ( $ key , $ element ) { $ cache = $ this -> get ( $ key ) ; if ( $ cache !== false && isset ( $ cache [ $ element ] ) ) { return $ cache [ $ element ] ; } return false ; }
docstring: Retrieves the value of element from array cache with the specified key.
  @param string $key the key identifying the cached value.
  @param string $element the key of the element.
  @return mixed the value of element stored in cache array, false if the value is not in the cache, expired,
  array key does not exist or the dependency associated with the cached data has changed.
docstring_tokens: Retrieves the value of element from array cache with the specified key .