public function __construct($sid) { self::$_model = new Z_Model_Statpage(); $cache = Z_Cache::getInstance(); if (!($this->_row = $cache->load('z_spatpage_' . md5($sid)))) { $this->_row = $this->_getRow($sid); $cache->save($this->_row, 'z_spatpage_' . md5($sid)); } }