original_string: public function readMany($keys)
      {
          $cacheKeys = [];
          foreach ($keys as $key) {
              $cacheKeys[] = $this->_key($key);
          }
  
          $values = $this->_Memcached->getMulti($cacheKeys);
          $return = [];
          foreach ($keys as &$key) {
              $return[$key] = array_key_exists($this->_key($key), $values) ?
                  $values[$this->_key($key)] : false;
          }
  
          return $return;
      }
code: public function readMany($keys)
      {
          $cacheKeys = [];
          foreach ($keys as $key) {
              $cacheKeys[] = $this->_key($key);
          }
  
          $values = $this->_Memcached->getMulti($cacheKeys);
          $return = [];
          foreach ($keys as &$key) {
              $return[$key] = array_key_exists($this->_key($key), $values) ?
                  $values[$this->_key($key)] : false;
          }
  
          return $return;
      }
code_tokens: public function readMany ( $ keys ) { $ cacheKeys = [ ] ; foreach ( $ keys as $ key ) { $ cacheKeys [ ] = $ this -> _key ( $ key ) ; } $ values = $ this -> _Memcached -> getMulti ( $ cacheKeys ) ; $ return = [ ] ; foreach ( $ keys as & $ key ) { $ return [ $ key ] = array_key_exists ( $ this -> _key ( $ key ) , $ values ) ? $ values [ $ this -> _key ( $ key ) ] : false ; } return $ return ; }
docstring: Read many keys from the cache at once
  
  @param array $keys An array of identifiers for the data
  @return array An array containing, for each of the given $keys, the cached data or
  false if cached data could not be retrieved.
docstring_tokens: Read many keys from the cache at once