// put some data to the cache.

    $this->_cache->put(md5('stdClass'), $stdClass);

    $this->_cache->put(md5('ZipArchive'), new ZipArchive());

    $this->_cache->put(md5('XMLReader'), new XMLReader());

    $this->assertFalse(dba_fetch(md5('stdClass'), $dba));

    $this->assertFalse(dba_fetch(md5('ZipArchive'), $dba));

    $this->assertFalse(dba_fetch(md5('XMLReader'), $dba));

  }

    // put some data to the cache.

    $this->_cache->put(md5('stdClass'), $stdClass, 2);

    $this->_cache->put(md5('ZipArchive'), new ZipArchive(), 2);

    $this->_cache->put(md5('XMLReader'), new XMLReader(), 2);

      array(

        md5('stdClass'),

      array(

        md5('ZipArchive'),

      array(

        md5('XMLReader'),

      array(

        md5('Dummy'),

    $this->_object     = $stdClass;

    $this->_identifier = md5('stdClass' . time());

    $this->assertTrue($cacheMake->put(md5('test123'), $this->_object));

    $this->assertTrue($cacheRead->has(md5('test123')));

    $this->assertInstanceOf('stdClass', $cacheRead->get(md5('test123')));

$identifier = md5('simplexml_identifier');

  {

    $identifier = md5(uniqid());