$this->_fastBackend = Zend_Cache::
_makeBackend( $this->_options
['fast_backend'
],
$this->_options
['fast_backend_options'
],
$this->_options
['fast_backend_custom_naming'
],
$this->_options
['fast_backend_autoload'
] );
if (!
in_array('Zend_Cache_Backend_ExtendedInterface',
class_implements($this->_fastBackend
))) { Zend_Cache::
throwException('fast_backend must implement the Zend_Cache_Backend_ExtendedInterface interface'
);
} } $this->_slowBackend->
setDirectives($this->_directives
);
$this->_fastBackend->
setDirectives($this->_directives
);
} /**
* Test if a cache is available or not (for the given id)
*
* @param string $id cache id
* @return mixed|false (a cache is not available) or "last modified" timestamp (int) of the available cache record
*/
public function test($id) {