original_string: public function remove($id)
      {
          if (!$this->_options['caching']) {
              return true;
          }
          $id = $this->_id($id); // cache id may need prefix
          self::_validateIdOrTag($id);
  
          $this->_log("Zend_Cache_Core: remove item '{$id}'", 7);
          return $this->_backend->remove($id);
      }
code: public function remove($id)
      {
          if (!$this->_options['caching']) {
              return true;
          }
          $id = $this->_id($id); // cache id may need prefix
          self::_validateIdOrTag($id);
  
          $this->_log("Zend_Cache_Core: remove item '{$id}'", 7);
          return $this->_backend->remove($id);
      }
code_tokens: public function remove ( $ id ) { if ( ! $ this -> _options [ 'caching' ] ) { return true ; } $ id = $ this -> _id ( $ id ) ; // cache id may need prefix self :: _validateIdOrTag ( $ id ) ; $ this -> _log ( "Zend_Cache_Core: remove item '{$id}'" , 7 ) ; return $ this -> _backend -> remove ( $ id ) ; }
docstring: Remove a cache
  
  @param  string $id Cache id to remove
  @return boolean True if ok
docstring_tokens: Remove a cache