original_string: public function deleteMany($keys)
      {
          $cacheKeys = [];
          foreach ($keys as $key) {
              $cacheKeys[] = $this->_key($key);
          }
  
          $success = $this->_Memcached->deleteMulti($cacheKeys);
  
          $return = [];
          foreach ($keys as $key) {
              $return[$key] = $success;
          }
  
          return $return;
      }
code: public function deleteMany($keys)
      {
          $cacheKeys = [];
          foreach ($keys as $key) {
              $cacheKeys[] = $this->_key($key);
          }
  
          $success = $this->_Memcached->deleteMulti($cacheKeys);
  
          $return = [];
          foreach ($keys as $key) {
              $return[$key] = $success;
          }
  
          return $return;
      }
code_tokens: public function deleteMany ( $ keys ) { $ cacheKeys = [ ] ; foreach ( $ keys as $ key ) { $ cacheKeys [ ] = $ this -> _key ( $ key ) ; } $ success = $ this -> _Memcached -> deleteMulti ( $ cacheKeys ) ; $ return = [ ] ; foreach ( $ keys as $ key ) { $ return [ $ key ] = $ success ; } return $ return ; }
docstring: Delete many keys from the cache at once
  
  @param array $keys An array of identifiers for the data
  @return array of boolean values that are true if the key was successfully
  deleted, false if it didn't exist or couldn't be removed.
docstring_tokens: Delete many keys from the cache at once