protected function _create($class, $alias, $config)
    {
        if (is_object($class)) {
            $instance = $class;
        }

        unset($config['className']);
        if (!isset($instance)) {
            $instance = new $class($config);
        }

        if (!($instance instanceof CacheEngine)) {
            throw new RuntimeException(
                'Cache engines must use Cake\Cache\CacheEngine as a base class.'
            );
        }

        if (!$instance->init($config)) {
            throw new RuntimeException(
                sprintf('Cache engine %s is not properly configured.', get_class($instance))
            );
        }

        $config = $instance->getConfig();
        if ($config['probability'] && time() % $config['probability'] === 0) {
            $instance->gc();
        }

        return $instance;
    }
protected function _create($class, $alias, $config)
    {
        if (is_object($class)) {
            $instance = $class;
        }

        unset($config['className']);
        if (!isset($instance)) {
            $instance = new $class($config);
        }

        if (!($instance instanceof CacheEngine)) {
            throw new RuntimeException(
                'Cache engines must use Cake\Cache\CacheEngine as a base class.'
            );
        }

        if (!$instance->init($config)) {
            throw new RuntimeException(
                sprintf('Cache engine %s is not properly configured.', get_class($instance))
            );
        }

        $config = $instance->getConfig();
        if ($config['probability'] && time() % $config['probability'] === 0) {
            $instance->gc();
        }

        return $instance;
    }
protected function _create ( $ class , $ alias , $ config ) { if ( is_object ( $ class ) ) { $ instance = $ class ; } unset ( $ config [ 'className' ] ) ; if ( ! isset ( $ instance ) ) { $ instance = new $ class ( $ config ) ; } if ( ! ( $ instance instanceof CacheEngine ) ) { throw new RuntimeException ( 'Cache engines must use Cake\Cache\CacheEngine as a base class.' ) ; } if ( ! $ instance -> init ( $ config ) ) { throw new RuntimeException ( sprintf ( 'Cache engine %s is not properly configured.' , get_class ( $ instance ) ) ) ; } $ config = $ instance -> getConfig ( ) ; if ( $ config [ 'probability' ] && time ( ) % $ config [ 'probability' ] === 0 ) { $ instance -> gc ( ) ; } return $ instance ; }
Create the cache engine instance.

Part of the template method for Cake\Core\ObjectRegistry::load()

@param string|\Cake\Cache\CacheEngine $class The classname or object to make.
@param string $alias The alias of the object.
@param array $config An array of settings to use for the cache engine.
@return \Cake\Cache\CacheEngine The constructed CacheEngine class.
@throws \RuntimeException when an object doesn't implement the correct interface.
Create the cache engine instance .